DBS.MultipleChoices.pdf

1. The DBMS acts as an interface between what two components of an enterprise-class database system? A. Database application and the database B. Data and the database C. The user and the database application D. Database application and SQL 2. Which of the following produ...

1. The DBMS acts as an interface between what two components of an enterprise-class database system? A. Database application and the database B. Data and the database C. The user and the database application D. Database application and SQL 2. Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? A. IDMS B. DB2 C. dBase-II D. R:base 3. The following are components of a database except ________. A. user data B. metadata C. reports D. indexes 4. An application where only one user accesses the database at a given time is an example of a(n) ________. A. single-user database application B. multiuser database application C. e-commerce database application D. data mining database application 5. An on-line commercial site such as Amazon.com is an example of a(n) ________. A. single-user database application B. multiuser database application  C. e-commerce database application D. data mining database application 6. Which of the following products was the first to implement true relational algebra in a PC DBMS? A. IDMS B. Oracle C. dBase-II D. R:base 7. SQL stands for ________. A. Structured Query Language B. Sequential Query Language C. Structured Question Language D. Sequential Question Language 8. Because it contains a description of its own structure, a database is considered to be ________. A. described B. metadata compatible C. self-describing D. an application program 9. The following are functions of a DBMS except ________. A. creating and processing forms B. creating databases C. processing data D. administrating databases 10. Helping people keep track of things is the purpose of a(n) ________. A. database B. table  C. instance D. relationship 11. Which of the following products implemented the CODASYL DBTG model? A. IDMS B. DB2 C. dBase-II D. R:base 12. An Enterprise Resource Planning application is an example of a(n) ________. A. single-user database application B. multiuser database application C. e-commerce database application D. data mining database application 13. A DBMS that combines a DBMS and an application generator is ________. A. Microsoft's SQL Server B. Microsoft's Access C. IBM's DB2 D. Oracle Corporation's Oracle 14. You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________. A. user data. B. metadata C. A report D. indexes 15. Which of the following is not considered to be a basic element of an enterprise-class database system?  A. Users B. Database applications C. DBMS D. COBOL programs 16. The DBMS that is most difficult to use is ________. A. Microsoft's SQL Server B. Microsoft's Access C. IBM's DB2 D. Oracle Corporation's Oracle 17. Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values? A. A domain constraint B. A range constraint C. An intrarelation constraint D. An interrelation constraint 18. In a 1:N relationship, the foreign key is placed in: A. either table without specifying parent and child tables. B. the parent table. C. the child table. D. either the parent table or the child table. 19. Which of the following column properties specifies whether or not cells in a column must contain a data value? A. Null status B. Data type C. Default value D. Data constraints 20. A primary key should be defined as: A. NULL. B. NOT NULL. C. Either of the above can be used. D. None of the above are correct. 21. Which of the following column properties would be used to specify that cells in a column must contain a monetary value? A. Null status B. Data type C. Default value D. Data constraints 22. Which of the following situation requires the use of ID-dependent entities? A. Association relationships only B. Multivalued attributes only C. Archetype/instance relationships only D. All of the above use ID dependent entities 23. A foreign key is: A. a column containing the primary key of another table. B. used to define data types. C. used to define null status. D. all of the above are above correct. 24. Which of the following columns is(are) are required in a table? A. A foreign key B. An alternate key C. A primary key D. A surrogate key. 25. In a 1:1 relationship, the foreign key is placed in: A. either table without specifying parent and child tables. B. the parent table. C. the child table. D. either the parent table or the child table. 26. Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000? A. Null status B. Data type C. Default value D. Data constraints 27. The identifier of an entity will become the ________ of the new table. A. foreign key B. main attribute C. primary key D. identity key 28. Which of the following data constraints would be used to specify that the value of a cell in one column must be less than the value of a cell in another column in the same row of the same table? A. A domain constraint B. A range constraint C. An intrarelation constraint D. An interrelation constraint 29. A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n): A. primary key. B. foreign key. C. composite key.  D. surrogate key. 30. Which is not true about surrogate keys? A. They are short. B. They are fixed. C. They have meaning to the user. D. They are numeric. 31. For every relationship, how many possible types of actions are there when enforcing minimum cardinalities? A. Two B. Three C. Four D. Six 32. Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship? A. MUST COVER B. MUST NOT C. Both of the above. D. None of the above is correct. 33. Each entity is represented as a(n): A. tuple. B. table. C. attribute. D. file. 34. For every relationship, how many possible sets of minimum cardinalities are there? A. Two B. Three  C. Four D. Six 35. If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value. A. the primary key B. any alternate key C. a surrogate key D. a foreign key 36. Which of the following column properties would be used to specify that cells in a column must contain a monetary value that is less than another monetary value in the same row? A. Null status B. Data type C. Default value D. Data constraints 37. If a denormalization situation exists with a one-to-one binary relationship, which of the following is true? A. All fields are stored in one relation. B. All fields are stored in two relations. C. All fields are stored in three relations. D. All fields are stored in four relations. 38. Selecting a data type involves which of the following? A. Maximize storage space B. Represent most values C. Improve data integrity D. All of the above. 39. What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?  A. VARCHAR2 B. CHAR C. LONG D. NUMBER 40. If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true? A. All fields are stored in one relation. B. All fields are stored in two relations. C. All fields are stored in three relations. D. All fields are stored in four relations. 41. Which of the following is an advantage of partitioning? A. Complexity B. Inconsistent access speed C. Extra space D. Security 42. The blocking factor is: A. a group of fields stored in adjacent memory. B. the number of physical records per page. C. attributes grouped together by the same primary key. D. attributes grouped together by the same secondary key. 43. Which of the following improves a query's processing time? A. Write complex queries. B. Combine a table with itself. C. Query one query within another. D. Use compatible data types. 44. Which of the following are integrity controls that a DBMS may support? A. Assume a default value in a field unless a user enters a value for that field. B. Limit the set of permissible values that a field may assume. C. Limit the use of null values in some fields. D. All of the above. 45. Which of the following is not a factor to consider when switching from small to large block size? A. The length of all of the fields in a table row. B. The number of columns C. Block contention D. Random row access speed 46. What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length? A. VARCHAR2 B. CHAR C. LONG D. NUMBER 47. A secondary key is which of the following? A. Nonunique key B. Primary key C. Useful for denormalization decisions D. Determines the tablespace required 48. The fastest read/write time and most efficient data storage of any disk array type is: A. RAID-0. B. RAID-1. C. RAID-2. D. RAID-3. View Answer Discuss in Forum Workspace Report 49. A rule of thumb for choosing indexes for a relational database includes which of the following? A. Indexes are more useful on smaller tables. Indexes are more useful for columns that do not appear frequently in the WHERE clause B. in queries. C. Do not specify a unique index for the primary key of each table. D. Be careful indexing attributes that have null values. 50. Sequential retrieval on a primary key for sequential file storage has which of the following features? A. Very fast B. Moderately fast C. Slow D. Impractical 51. A multidimensional database model is used most often in which of the following models? A. Data warehouse B. Relational C. Hierarchical D. Network 52. Which of the following database activities allow for the actual retrieval and use of a database? A. Enterprise modeling B. Logical database design C. Physical database design and definition D. Database implementation 53. The three-schema components include all, but: A. internal schema. B. conceptual schema. C. programming schema. D. external schema. 54. Which is not a type of data management technology? A. Relational B. Rational C. Object-oriented D. Dimensional 55. Which is not a relevant feature of CASE tools? A. The ability to help draw data models using entity-relationship notations B. The ability to generate code C. An information repository D. Access to a DB via the Internet 56. The first step in database development is which of the following? A. Enterprise data modeling B. Logical database design C. Physical database design and definition D. Database Implementation 57. Which of the following database activities determines the entities, attributes, and relationships of data? A. Conceptual data modeling B. Logical database design C. Physical database design and definition D. Database implementation 58. The use of packaged data models can offer which of the following benefits? A. Reduce implementation time and costs B. Higher quality models C. Both A and B.  D. Neither A nor B. 59. The Enterprise tier of the three-tiered database architecture includes: A. managing the data. B. managing the User-system interface. C. processing HTTP protocol. D. processing scripting tasks. 60. An entity type is which of the following? A. A major category of data about people, place, and things B. The various departments of an organization C. The application software D. The business processes the support the mission of an organization 61. Strategic Planning factors do not include which of the following? A. Organizational goals B. Critical success factors C. Information engineering D. Problem areas 62. CASE tools do not include which of the following features? A. Help to draw data models B. Help to generate code C. Help to manage people D. Create an information repository 63. In enterprise data modeling, which is incorrect? A. You review current systems. B. You implement the new database. C. You describe the data needed at a very high level of abstraction.  D. You plan one or more database development projects. 64. Which of the following database activities require a specific knowledge of a DBMS? A. Enterprise modeling B. Conceptual data modeling C. Logical database design D. Physical database design and definition 65. User views are included as part of which schema? A. Internal B. Conceptual C. External D. None of the above. 66. Whose role is it to determine the requirements and design for a database? A. Database analysts B. Database administrators C. Both A and B. D. Neither A or B. 67. Which of the following indicates the maximum number of entities that can be involved in a relationship? A. Minimum cardinality B. Maximum cardinality C. ERD  D. Greater Entity Count (GEC) 68. Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? A. Weak entity B. Strong entity C. ID-dependent entity D. ID- independent entity 69. In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. A. parent B. child C. instance D. subtype 70. Which type of entity represents an actual occurrence of an associated generalized entity? A. Supertype entity B. Subtype entity C. Archetype entity D. Instance entity 71. A recursive relationship is a relationship between an entity and ________. A. itself B. a subtype entity C. an archetype entity D. an instance entity 72. Which of the following indicates the minimum number of entities that must be involved in a relationship?  A. Minimum cardinality B. Maximum cardinality C. ERD D. Greater Entity Count (GEC) 73. Which of the following refers to something that can be identified in the users' work environment, something that the users want to track? A. Entity B. Attribute C. Identifier D. Relationship 74. In which of the following is a single-entity instance of one type related to many entity instances of another type? A. One-to-One Relationship B. One-to-Many Relationship C. Many-to-Many Relationship D. Composite Relationship 75. Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? A. Weak entity B. Strong entity C. ID-dependent entity D. ID-independent entity 76. Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? A. Supertype entity B. Subtype entity C. Archetype entity  D. Instance entity 77. An attribute that names or identifies entity instances is a(n): A. entity. B. attribute. C. identifier. D. relationship. 78. Properties that describe the characteristics of entities are called: A. entities. B. attributes. C. identifiers. D. relationships. 79. In which of the following can many entity instances of one type be related to many entity instances of another type? A. One-to-One Relationship B. One-to-Many Relationship C. Many-to-Many Relationship D. Composite Relationship 80. Entities of a given type are grouped into a(n): A. database. B. entity class. C. attribute. D. ERD. 81. Which of the following is NOT a basic element of all versions of the E-R model? A. Entities B. Attributes  C. Relationships D. Primary keys 82. In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? A. One-to-One Relationship B. One-to-Many Relationship C. Many-to-Many Relationship D. Composite Relationship 83. Entities can be associated with one another in which of the following? A. Entities B. Attributes C. Identifiers D. Relationships 84. Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? A. Supertype entity B. Subtype entity C. Archetype entity D. Instance entity 85. Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? A. Supertype entity B. Subtype entity C. Archetype entity D. Instance entity 86. In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.  A. parent B. child C. instance D. subtype 87. An action assertion must include which of the following? A. Anchor object B. Action C. Corresponding object D. All of the above. 88. An oval represents which of the following in an EER? A. Attribute B. Entity C. Optional One D. Relationship 89. Inheritance is which of the following? A. When a supertype entity inherits values of the subtype attribute B. When a subtype entity inherits values of the supertype attribute C. When a supertype entity inherits values of another supertype attribute D. When a subtype entity inherits values of another subtype attribute 90. When an entity instance must be a member of only one subtype, it is which of the following? A. Disjoint with total specialization B. Disjoint with partial specialization C. Overlap with total specialization D. Overlap with partial specialization 91. A supertype/subtype hierarchy is which of the following?  A. Each subtype has only one attribute. B. Each supertype has only one attribute. C. Each subtype has only one supertype. D. Each supertype has only one subtype. 92. A rectangle represents which of the following in an EER? A. Attribute B. Entity C. Optional One D. Relationship 93. Which one of the following symbols is not used in an ERD? A. Rectangle B. Oval C. Diamond D. Circle 94. Specialization is which of the following processes? Defining one or more subtypes of the supertype and forming supertype/subtype A. relationships. Defining one or more supertypes of the subtype and forming supertype/subtype B. relationships. Defining one or more subtypes of the supertype and not forming supertype/subtype C. relationships. Defining one or more supertypes of the subtype and not forming supertype/subtype D. relationships. 95. Which of the following statements concerning business rules is true? A. It should be complex. B. It should not be convertible to computer code. C. It may include restrictions. D. All of the above. 96. A supertype/subtype hierarchy has which of the following features? Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate A. supertype. B. Attributes are assigned at the highest logical level. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate C. subtype. D. Attributes are assigned at the lowest logical level. 97. A subtype discriminator is which of the following? A. An attribute of the supertype whose values determine the subtype B. An attribute of the subtype whose values determine the supertype C. An attribute of the supertype whose values determine the supertype D. An attribute of the subtype whose values determine the subtype 98. When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following? A. Disjoint with total specialization B. Disjoint with partial specialization C. Overlap with total specialization D. Overlap with partial specialization 99. A subtype entity name should be which of the following? A. A singular noun B. Specific to the organization C. Concise D. All of the above 100. Use of a supertype/subtype relationship is necessary when which of the following exists? An instance of a subtype participates in a relationship that is unique to that A. subtype. An instance of a subtype participates in a relationship that is the same as the other B. subtypes.  C. Attributes apply to all of the instances of an entity type. D. No attributes apply to any of the instances of an entity type. 101. Which of the following is not one of the three ways to classify an action assertion? A. Condition B. Integrity Control C. Authorization D. Enabler 102. Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A. A → B. B. A → C. C. A → (B,C). D. (B,C) → A. 103. The different classes of relations created by the technique for preventing modification anomalies are called: A. normal forms. B. referential integrity constraints. C. functional dependencies. D. None of the above is correct. 104. A relation is in this form if it is in BCNF and has no multivalued dependencies: A. second normal form. B. third normal form. C. fourth normal form. D. domain/key normal form. 105. Row is synonymous with the term:  A. record. B. relation. C. column. D. field. 106. The primary key is selected from the: A. composite keys. B. determinants. C. candidate keys. D. foreign keys. 107. Which of the following is a group of one or more attributes that uniquely identifies a row? A. Key B. Determinant C. Tuple D. Relation 108. When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): A. transitive dependency. B. insertion anomaly. C. referential integrity constraint. D. normal form. 109. A relation is considered a: A. Column. B. one-dimensional table. C. two-dimensional table. D. three-dimensional table. 110. In the relational model, relationships between relations or tables are created by using: A. composite keys. B. determinants. C. candidate keys. D. foreign keys. 111. A functional dependency is a relationship between or among: A. tables. B. rows. C. relations. D. attributes. 112. Table is synonymous with the term: A. record. B. relation. C. column. D. field. 113. Which of the following is not a restriction for a table to be a relation? A. The cells of the table must contain a single value. B. All of the entries in any column must be of the same kind. C. The columns must be ordered. D. No two rows in a table may be identical. 114. For some relations, changing the data can have undesirable consequences called: A. referential integrity constraints. B. modification anomalies. C. normal forms. D. transitive dependencies. 115. A key:  A. must always be composed of two or more columns. B. can only be one column. C. identifies a row. D. identifies a column. 116. An attribute is a(n): A. column of a table. B. two dimensional table. C. row of a table. D. key of a table. 117. A relation in this form is free of all modification anomalies. A. First normal form B. Second normal form C. Third normal form D. Domain/key normal form 118. If attributes A and B determine attribute C, then it is also true that: A. A → C. B. B → C. C. (A,B) is a composite determinant. D. C is a determinant. 119. A tuple is a(n): A. column of a table. B. two dimensional table. C. row of a table. D. key of a table. 120. If attribute A determines both attributes B and C, then it is also true that:  A. A → B. B. B → A. C. C → A. D. (B,C) → A. 121. One solution to the multivalued dependency constraint problem is to: A. split the relation into two relations, each with a single theme. B. change the theme. C. create a new theme. D. add a composite key. 122. A data warehouse uses: A. partial operational data. B. historical operational data. C. future operational data. D. health care data. 123. Metadata enables database designers and users to do all of the following except: A. sample data. B. understand what data exist. C. what the fine distinctions are between similar data items. D. what the data mean. 124. Duplicate data often results in loss of data integrity because: A. the data formats may be inconsistent. B. data values may not agree. C. Both A & B. D. Neither A & B. 125. Legacy data is which of the following?  A. Data contained in a newly-installed system B. Data rejected during the installation of a new system C. Data contained in a file system D. Data contained by a system used prior to the installation of a new system 126. A database management system (DBMS) is a: A. hardware system used to create, maintain, and provide controlled access to a database. hardware system used to create, maintain, and provide uncontrolled access to a B. database. software system used to create, maintain, and provide controlled access to a C. database. software system used to create, maintain, and provide uncontrolled access to a D. database. 127. A database application can perform which of the following activities? A. Add records B. Read records C. Update records D. All of the above. 128. An enterprise data model is: A. a graphical model that shows the high-level entities for an organization. B. a graphical model that shows all entities for an organization. C. a non-graphical model that shows the high-level entities for an organization. D. a non-graphical model that shows the all entities for an organization. 129. A shared database should: A. be accurate and available. B. provide for backup and recovery. C. be secure. D. All of the above. 130. Data administrators are responsible for: A. physical database design. B. managing technical issues in the database environment. C. overall management of data resources in an organization. D. writing application programs. 131. Which of the following types of databases are the most common? A. Personal B. Workgroup C. Department D. Enterprise 132. Which of the following is true for a relational database? A. Data is represented by tables. B. It is difficult to access data. C. Complex programs have to be written for simple queries. D. All of the above. 133. Some advantages of the database approach include all, but: A. minimal data redundancy. B. improved data consistency. C. improved data sharing. D. program-data dependency. 134. An enterprise database is which of the following? A. A database designed to support only users external to an organization B. A database designed to support an entire organization C. A database designed to support a relatively small group D. A database designed to support a single PC 135. Structured data may include which of the following?  A. Photo image B. Video clip C. Dates D. None of the above. 136. An extranet is which of the following? The use of Internet protocols with limited access to company data by the A. company's customers and suppliers. The use of Internet protocols with unlimited access to company data by the company's B. customers and suppliers. The use of Internet protocols with limited access to company data by people within an C. organization. The use of Internet protocols with unlimited access to company data by people within an D. organization. 137. You can add a row using SQL in a database with which of the following? A. ADD B. CREATE C. INSERT D. MAKE 138. The command to remove rows from a table 'CUSTOMER' is: A. REMOVE FROM CUSTOMER... B. DROP FROM CUSTOMER... C. DELETE FROM CUSTOMER WHERE... D. UPDATE FROM CUSTOMER... 139. The SQL WHERE clause: A. limits the column data that are returned. B. limits the row data are returned. C. Both A and B are correct. D. Neither A nor B are correct. 140. Which of the following is the original purpose of SQL? A. To specify the syntax and semantics of SQL data definition language B. To specify the syntax and semantics of SQL manipulation language C. To define the data structures D. All of the above. 141. The wildcard in a WHERE clause is useful when? A. An exact match is necessary in a SELECT statement. B. An exact match is not possible in a SELECT statement. C. An exact match is necessary in a CREATE statement. D. An exact match is not possible in a CREATE statement. 142. A view is which of the following? A. A virtual table that can be accessed via SQL commands B. A virtual table that cannot be accessed via SQL commands C. A base table that can be accessed via SQL commands D. A base table that cannot be accessed via SQL commands 143. The command to eliminate a table from a database is: A. REMOVE TABLE CUSTOMER; B. DROP TABLE CUSTOMER; C. DELETE TABLE CUSTOMER; D. UPDATE TABLE CUSTOMER; 144. ON UPDATE CASCADE ensures which of the following? A. Normalization B. Data Integrity C. Materialized Views D. All of the above. 145. SQL data definition commands make up a(n) ________. A. DDL B. DML C. HTML D. XML 146. Which of the following is valid SQL for an Index? A. CREATE INDEX ID; B. CHANGE INDEX ID; C. ADD INDEX ID; D. REMOVE INDEX ID; 147. The SQL keyword(s) ________ is used with wildcards. A. LIKE only B. IN only C. NOT IN only D. IN and NOT IN 148. Which of the following is the correct order of keywords for SQL SELECT statements? A. SELECT, FROM, WHERE B. FROM, WHERE, SELECT C. WHERE, FROM,SELECT D. SELECT,WHERE,FROM 149. A subquery in an SQL SELECT statement is enclosed in: A. braces -- {...}. B. CAPITAL LETTERS. C. parenthesis -- (...). D. brackets -- [...]. 150. The result of a SQL SELECT statement is a(n) ________.  A. report B. form C. file D. table 151. Which of the following are the five built-in functions provided by SQL? A. COUNT, SUM, AVG, MAX, MIN B. SUM, AVG, MIN, MAX, MULT C. SUM, AVG, MULT, DIV, MIN D. SUM, AVG, MIN, MAX, NAME 152. In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that: A. all columns of the table are to be returned. B. all records meeting the full criteria are to be returned. C. all records with even partial criteria met are to be returned. D. None of the above is correct. 153. The HAVING clause does which of the following? A. Acts like a WHERE clause but is used for groups rather than rows. B. Acts like a WHERE clause but is used for rows rather than columns. C. Acts like a WHERE clause but is used for columns rather than groups. D. Acts EXACTLY like a WHERE clause. 154. The SQL -92 wildcards are ____ and ____. A. asterisk (*); percent sign (%) B. percent sign (%); underscore (_) C. underscore(_); question mark (?) D. question mark (?); asterisk (*) 155. To remove duplicate rows from the results of an SQL SELECT statement, the ________  qualifier specified must be included. A. ONLY B. UNIQUE C. DISTINCT D. SINGLE 156. The benefits of a standard relational language include which of the following? A. Reduced training costs B. Increased dependence on a single vendor C. Applications are not needed. D. All of the above. 157. Which of the following do you need to consider when you make a table in SQL? A. Data types B. Primary keys C. Default values D. All of the above. 158. SQL query and modification commands make up a(n) ________. A. DDL B. DML C. HTML D. XML 159. When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): A. LIKE only. B. IN only. C. NOT IN only. D. Both IN and NOT IN. 160. The Microsoft Access wildcards are ____ and ____. A. asterisk (*); percent sign (%) B. percent sign (%); underscore (_) C. underscore(_); question mark (?) D. question mark (?); asterisk (*) 161. Find the SQL statement below that is equal to the following: SELECT NAME FROM CUSTOMER WHERE STATE = 'VA'; A. SELECT NAME IN CUSTOMER WHERE STATE IN ('VA'); B. SELECT NAME IN CUSTOMER WHERE STATE = 'VA'; C. SELECT NAME IN CUSTOMER WHERE STATE = 'V'; D. SELECT NAME FROM CUSTOMER WHERE STATE IN ('VA'); 162. Which one of the following sorts rows in SQL? A. SORT BY B. ALIGN BY C. ORDER BY D. GROUP BY 163. To sort the results of a query use: A. SORT BY. B. GROUP BY. C. ORDER BY. D. None of the above is correct. 164. To define what columns should be displayed in an SQL SELECT statement: use FROM to name the source table(s) and list the columns to be shown after A. SELECT. B. use USING to name the source table(s) and list the columns to be shown after SELECT. C. use SELECT to name the source table(s) and list the columns to be shown after USING. D. use USING to name the source table(s) and list the columns to be shown after WHERE. 165. SQL can be used to: A. create database structures only. B. query database data only. C. modify database data only. D. All of the above can be done by SQL. 166. The SQL statement that queries or reads data from a table is ________. A. SELECT B. READ C. QUERY D. None of the above is correct. 167. The SQL keyword BETWEEN is used: A. for ranges. B. to limit the columns displayed. C. as a wildcard. D. None of the above is correct. 168. A subquery in an SQL SELECT statement: A. can only be used with two tables. B. can always be duplicated by a join. C. has a distinct form that cannot be duplicated by a join. D. cannot have its results sorted using ORDER BY. 169. ________ was adopted as a national standard by ANSI in 1992. A. Oracle B. SQL C. Microsoft Access D. DBase 170. SQL is:  A. a programming language. B. an operating system. C. a data sublanguage. D. a DBMS. 171. The SQL command to create a table is: A. MAKE TABLE. B. ALTER TABLE. C. DEFINE TABLE. D. CREATE TABLE. 172. A ________ is a stored program that is attached to a table or a view. A. pseudofile B. embedded SELECT statement C. trigger D. None of the above is correct. 173. The DROP TABLE statement: A. deletes the table structure only. B. deletes the table structure along with the table data. C. works whether or not referential integrity constraints would be violated. D. is not an SQL statement. 174. SQL views can be used to hide: A. columns and rows only.  B. complicated SQL syntax only. C. both of the above can be hidden by an SQL view. D. None of the above is correct. 175. The SQL statement to create a view is: A. CREATE VIEW. B. MAKE VIEW. C. SELECT VIEW. D. INSERT VIEW. 176. To update an SQL view, the DBMS must be able to associate the column(s) to be updated with: A. a particular column in a particular underlying table. B. a particular column in a particular row. C. a particular row in a particular underlying table. D. None of the above is correct. 177. Which of the following is NOT a type of SQL constraint? A. PRIMARY KEY B. FOREIGN KEY C. ALTERNATE KEY D. UNIQUE 178. A ________ is a program that performs some common action on database data and that is stored in the database.  A. trigger B. stored procedure C. pseudofile D. None of the above is correct. 179. For what purposes are views used? A. To hide columns only B. To hide rows only C. To hide complicated SQL statements only D. All of the above are uses for SQL views. 180. What is an SQL virtual table that is constructed from other tables? A. Just another table B. A view C. A relation D. Query results 181. When using the SQL INSERT statement: A. rows can be modified according to criteria only. B. rows cannot be copied in mass from one table to another only. C. rows can be inserted into a table only one at a time only. D. rows can either be inserted into a table one at a time or in groups. 182. What is not an advantage of stored procedures? A. Greater security B. SQL can be optimized C. Code sharing D. Increased network traffic 183. A reason for using an SQL view to hide columns is: A. to simplify a result only. B. to prevent the display of sensitive data only. C. to accomplish both of the above. D. None of the above are reasons for using an SQL view. 184. Which of the following is an SQL trigger supported by Oracle? A. BEFORE B. INSTEAD OF C. AFTER D. All of the above. 185. The SQL ALTER statement can be used to: A. change the table structure. B. change the table data. C. add rows to the table.  D. delete rows from the table. 186. What SQL structure is used to limit column values of a table? A. The LIMIT constraint B. The CHECK constraint C. The VALUE constraint D. None of the above is correct. 187. Which is NOT one of the most common types of SQL CHECK constraints? A. System date B. Range checks C. Lists of values D. Comparing one column value to another within the same table 188.What is an advantage of placing computations in SQL views? A. To save users from having to write an expression. B. To ensure that the results are consistent. C. To accomplish both of the above. D. None of the above is correct - computations cannot be placed in a view. 189. Views constructed from SQL SELECT statements that conform to the SQL-92 standard may not contain: A. GROUP BY. B. WHERE.  C. ORDER BY. D. FROM. 190. A data warehouse uses: A. partial operational data. B. historical operational data. C. future operational data. D. health care data. 191. Metadata enables database designers and users to do all of the following except: A. sample data. B. understand what data exist. C. what the fine distinctions are between similar data items. D. what the data mean. 192. Duplicate data often results in loss of data integrity because: A. the data formats may be inconsistent. B. data values may not agree. C. Both A & B. D. Neither A & B. 193. Legacy data is which of the following? A. Data contained in a newly-installed system B. Data rejected during the installation of a new system  C. Data contained in a file system D. Data contained by a system used prior to the installation of a new system 194. A database management system (DBMS) is a: A. hardware system used to create, maintain, and provide controlled access to a database. hardware system used to create, maintain, and provide uncontrolled access to a B. database. software system used to create, maintain, and provide controlled access to a C. database. software system used to create, maintain, and provide uncontrolled access to a D. database. 195. A database application can perform which of the following activities? A. Add records B. Read records C. Update records D. All of the above. 196. An enterprise data model is: A. a graphical model that shows the high-level entities for an organization. B. a graphical model that shows all entities for an organization. C. a non-graphical model that shows the high-level entities for an organization. D. a non-graphical model that shows the all entities for an organization. 197. A shared database should:  A. be accurate and available. B. provide for backup and recovery. C. be secure. D. All of the above. 198. Data administrators are responsible for: A. physical database design. B. managing technical issues in the database environment. C. overall management of data resources in an organization. D. writing application programs. 199. Which of the following types of databases are the most common? A. Personal B. Workgroup C. Department D. Enterprise 200. Which of the following is true for a relational database? A. Data is represented by tables. B. It is difficult to access data. C. Complex programs have to be written for simple queries. D. All of the above. 201. Some advantages of the database approach include all, but:  A. minimal data redundancy. B. improved data consistency. C. improved data sharing. D. program-data dependency. 202. An enterprise database is which of the following? A. A database designed to support only users external to an organization B. A database designed to support an entire organization C. A database designed to support a relatively small group D. A database designed to support a single PC 203. Structured data may include which of the following? A. Photo image B. Video clip C. Dates D. None of the above. 204. An extranet is which of the following? The use of Internet protocols with limited access to company data by the A. company's customers and suppliers. The use of Internet protocols with unlimited access to company data by the company's B. customers and suppliers. The use of Internet protocols with limited access to company data by people within an C. organization.  The use of Internet protocols with unlimited access to company data by people within an D. organization.