Database Architecture Quiz

Which of the following is NOT a type of data mentioned in the text?

What are the three ways in which data can vary according to the text?

What is a database system also known as?

What does a query language refer to in the context of databases?

Where are modern databases typically stored?

What does a database structure ensure?

Which phase of the database design process specifies database requirements without regard to a specific database system?

What is a link between entities called in a database design?

What is a column used to identify individual rows of a table called in a logical design?

Which phase of the database design process adds indexes and specifies how tables are organized on storage media?

Which principle states that physical design never affects query results in a relational database?

Which programming language is commonly combined with SQL to write database programs?

Which component of a database system ensures transactions are properly executed and prevents conflicts between concurrent transactions?

Which component of a database system contains a complete record of all inserts, updates, and deletes processed by the database?

Which component of a database system is a directory of tables, columns, indexes, and other database objects?

Which type of database system stores data in tables, columns, and rows, and supports the SQL query language?

Which term refers to a new generation of non-relational databases that originally meant 'does not support SQL'?

Which licensing model allows anyone to inspect, copy, and modify the software with no licensing fee?

Which of the following is true about the world database?

What does MySQL Server do when an SQL statement is syntactically incorrect or cannot be executed?

What is MySQL Workbench?

How can a user connect to MySQL Server using MySQL Workbench?

Which tables are included in the world database?

What is the purpose of MySQL Workbench?

Which of the following is a responsibility of a database administrator?

What is a specialized challenge in database programming?

What is a key requirement for large, complex databases shared by many users?

What is the purpose of a transaction in a database system?

What can happen if a transaction fails to process completely in a database system?

What can happen if multiple transactions access the same data at the same time in a database system?

True or false: Data can only be produced as numbers or text.

True or false: Databases can be stored on paper or clay tablets.

True or false: A query language is a general-purpose programming language.

True or false: Database systems ensure data is secure, consistent, and available at all times.

True or false: A database administrator is responsible for managing and maintaining a database system.

True or false: Modern databases are typically stored on computers.

True or false: Query languages are commonly used by business users to interact with database systems.

True or false: Database designers prioritize storage, response time, and support for data governance rules when designing databases.

True or false: Database programming combines database query languages and general-purpose programming languages.

True or false: Database users can only access the database via applications and cannot submit queries directly to the database system.

True or false: Large, complex databases that are shared by many users require special considerations such as performance, authorization, security, rules, and recovery.

True or false: Transactions in a database system must be processed completely or not at all, prevent conflicts between concurrent transactions, and ensure that transaction results are never lost.

True or false: The physical design phase of database design specifies how tables are organized on storage media.

True or false: Logical design affects the query result in a relational database.

True or false: SQL is a standard relational query language that lacks important programming features.

True or false: The MySQL Command-Line Client is a text interface that allows developers to connect to the database server and execute SQL statements.

True or false: Data independence allows database designers to tune query performance without changes to application programs.

True or false: The MySQL Command-Line Client is usually installed with MySQL Server.

True or false: The query processor in a database system performs query optimization to ensure the most efficient instructions are executed on the data.

True or false: Relational database systems are ideal for databases that require an accurate record of every transaction, such as banking, airline reservation systems, and student records.

True or false: NoSQL originally meant 'does not support SQL'.

True or false: The SQL CREATE TABLE statement creates a new table by specifying the table and column names.

True or false: The SQL statement INSERT is used to retrieve data from a table.

True or false: The term NoSQL has come to mean 'not only SQL'.

True or false: MySQL Workbench is a graphical user interface that allows developers to execute SQL commands using an editor?

True or false: The world database is included with all installations of MySQL Server?

True or false: MySQL Server returns an error code and description when an SQL statement is syntactically incorrect or the database cannot execute the statement?

True or false: The city, country, and countrylanguage tables are included in the world database?

True or false: Users must download and install the world database separately from MySQL.com if it is not included in their installation of MySQL Server?

True or false: Some developers prefer to interact with MySQL Server via a command-line interface rather than using MySQL Workbench?

What are the three ways in which data can vary according to the text?

What is a database structure used for?

What is a query language used for in the context of databases?

What is the purpose of a database system?

Where are modern databases typically stored?

What is the role of a database management system (DBMS)?

What are the four common queries in a database system?

What is the purpose of a transaction manager in a database system?

What is the log in a database system used for?

What is the catalog or data dictionary in a database system?

What does the term NoSQL originally mean?

What is the SQL statement used to modify data in a table?

What are the three phases of the database design process for large, complex databases?

What is the purpose of the analysis phase in database design?

What is the purpose of the logical design phase in database design?

What is the purpose of the physical design phase in database design?

What is data independence in the context of database design?

What is the purpose of an application programming interface (API) in database programming?

What are the special requirements for large, complex databases that are shared by many users?

What is the purpose of a transaction in a database system?

What can happen if multiple transactions access the same data at the same time in a database system?

What is the role of a database administrator?

What is the role of a database designer?

What is the role of a database programmer?

What is MySQL Workbench?

What is a specialized challenge in database programming?

What is a key requirement for large, complex databases shared by many users?

What does a database structure ensure?

What are the three ways in which data can vary according to the text?

What is a database system also known as?

Data is collected and processed to aid in a variety of tasks, such as forecasting weather, analyzing financial investments, and tracking the global spread of ______.

Data may be produced as numbers, text, image, audio, or ______.

Some data sources are private while others are made ______ available.

A database is a collection of data in a ______ format.

A database system, also known as a database management system or ______, is software that reads and writes data in a database.

A query is a request to retrieve or change data in a ______.

Database systems maintain fast response times by structuring data properly on storage media and processing queries efficiently.

Database systems authorize individual users to access specific data.

Database systems ensure authorized users only access permissible data.

Database systems ensure data is consistent with structural and business rules.

Database systems must recover from failures and restore the database to a consistent state without loss of data.

Database systems must ensure transactions are processed completely or not at all, prevent conflicts between concurrent transactions, and ensure that transaction results are never lost.

An entity is a person, place, activity, or ______.

The analysis phase specifies database requirements without regard to a specific ______ system.

Tables, keys, and columns are specified in SQL with CREATE ______ statements.

The physical design phase adds indexes and specifies how tables are organized on ______ media.

An application programming interface, or ______, is a library of procedures or classes that links a host programming language to a database.

The MySQL Command-Line Client is a text interface included in the MySQL Server ______.

Common queries are sometimes referred to as CRUD operations, an acronym for Create, Read, Update, and ______ data.

The SQL CREATE TABLE statement creates a new table by specifying the table and column ______.

A query is a command for a database that typically inserts new data, retrieves data, updates data, or ______ data from a database.

NoSQL originally meant 'does not support SQL'. However, many NoSQL databases have added support for SQL, and 'NoSQL' has come to mean 'not only ______'.

The four common queries are sometimes referred to as CRUD operations, an acronym for ______, Read, Update, and Delete data.

The term NoSQL refers to a new generation of non-relational databases. NoSQL originally meant 'does not support ______'.

Users can practice entering SQL statements that work with and manipulate the ______ database

Some installations do not include the ______ database, so users must download and install it separately from MySQL.com

MySQL Workbench is installed with MySQL Server and allows developers to execute SQL commands using an ______

MySQL Workbench is started, the user can connect to MySQL Server running on the ______ machine or on the network

The MySQL Command-Line Client is a ______ interface that allows developers to connect to the database server and execute SQL statements

Some developers prefer to interact with MySQL Server via a ______ interface rather than using MySQL Workbench

Match the following components of a database system with their descriptions:

Match the following SQL statements with their functions:

Match the following data types with their descriptions:

Match the following databases with their type and licensing model:

Match the following acronyms with their full forms in the context of database systems:

Match the following terms with their definitions in the context of databases:

Match the following terms with their definitions in the context of database design and programming:

Match the following phases of the database design process with their descriptions:

Match the following terms with their definitions in the context of database programming:

Match the following terms with their definitions in the context of MySQL:

Match the following terms with their impacts on queries in relational databases:

Match the following terms with their synonyms in the context of database design:

Match the following terms with their definitions:

Match the variations in data with their examples:

Match the following database-related terms with their definitions:

Match the following terms with their definitions:

Match the following data characteristics with their descriptions:

Match the following terms with their definitions:

Match the following components of MySQL with their definitions:

Match the following SQL components with their descriptions:

Match the following MySQL components with their uses:

Match the following terms with their definitions:

Match the following MySQL components with their descriptions:

Match the following MySQL components with their functionalities:

Match the following roles with their descriptions in the context of databases:

Match the following requirements for large, complex databases with their descriptions:

Match the following transaction requirements in a database system with their descriptions:

Match the following with their descriptions in the context of database systems:

Match the following database failure scenarios with their solutions:

Match the following with their roles in a database system:

Match the following roles with their responsibilities in a database environment:

Match the following requirements of large, complex databases with their explanations:

Match the following database transaction requirements with their descriptions:

Match the following database system characteristics with their descriptions:

Match the following roles with their responsibilities in a database system:

Match the following requirements for large and complex databases with their descriptions:

Which of the following is NOT a sublanguage of SQL?

Which SQL statement is used to create a new database?

Which SQL statement is used to delete a database, including all tables in the database?

Which SQL statement is used to select all columns from a table?

Which clause in a SELECT statement specifies a condition for selecting rows?

What does the NOT NULL constraint prevent in a column?

Which statement modifies existing rows in a table?

What is a primary key used for in a table?

Which data type can store larger numbers than the signed version of the same data type?

Which operator computes the integer remainder when one numeric value is divided by another?

Which data type is a fixed-length string of length N, where 0 ≤ N ≤ 255?

Which logical operator returns TRUE only when both values are TRUE?

Which data structure organizes data in tables, with each table having a name, a fixed tuple of columns, and a varying set of rows?

What is a set in the context of the relational data structure?

Which of the following is a synonym for a table in the relational data structure?

What is the purpose of relational operations in the context of the relational data structure?

Which statement is true about tables in a database system?

What is the purpose of the CREATE TABLE statement in a database system?

Which data type category represents numbers with fractional values?

What is the purpose of the ALTER TABLE statement in a database system?

Which keyword follows the column's data type in a CREATE TABLE statement to define an auto-increment column?

What is the purpose of a foreign key in a database?

Which action is automatically taken by the database when a primary key is updated and CASCADE is specified in the ON UPDATE clause of a FOREIGN KEY constraint?

What happens when a foreign key insert violates referential integrity and RESTRICT is specified in the ON INSERT clause of a FOREIGN KEY constraint?

Which type of constraint ensures that values in a column, or group of columns, are unique?

Where can the UNIQUE constraint be applied?

What does the CHECK constraint specify?

When is the CHECK constraint violated?

Where can column constraints appear in a CREATE TABLE statement?

Where can table constraints appear in a CREATE TABLE statement?

True or false: A database model consists of data structures, operations, and rules?

True or false: The hierarchical database model was developed in the 1970s?

True or false: The relational data structure organizes data in tables, columns, and rows?

True or false: Relational operations in database systems are based on set theory?

A signed number may be negative.

An unsigned number cannot be negative.

True or false: A table must have at least one column but can have any number of rows.

True or false: Duplicate column names are allowed in the same table.

Data types vary in storage requirements.

True or false: Rows in a table are ordered.

Character data types use one or two bytes per character.

True or false: The ALTER TABLE statement is used to add, delete, or modify columns on an existing table.

True or false: SELECT is used to eliminate one or more columns of a table.

True or false: JOIN combines two tables by comparing related columns.

True or false: Aggregate computes functions over multiple table rows, such as sum and count.

True or false: SQL is the standard language for non-relational databases.

The AUTO_INCREMENT keyword follows the column's data type in a CREATE TABLE statement.

MySQL allows insertion of a specific value to an auto-increment column.

Foreign key values may be repeated and may be NULL.

Referential integrity requires foreign key values to either be NULL or match some value of the referenced primary key.

True or false: A SELECT statement always requires a WHERE clause to specify a condition for selecting rows.

True or false: The NOT NULL constraint prevents a column from having a NULL value.

True or false: The UPDATE statement modifies existing rows in a table, and the DELETE statement deletes existing rows in a table.

True or false: Composite primary keys are denoted with parentheses, and must be unique and not NULL.

The UNIQUE constraint can only be applied to a single column in a table.

The CHECK constraint is violated when the expression is TRUE and satisfied when the expression is FALSE or NULL.

Column constraints can only govern values in a single column.

Table constraints appear after the column name and data type in a CREATE TABLE statement.

The UNIQUE constraint can be applied to a group of columns in a table.

The CHECK constraint specifies an expression on one or more columns of a table.

SELECT ______ FROM City WHERE Population > 1000

CREATE ______ DatabaseName creates a new database.

DROP ______ DatabaseName deletes a database, including all tables in the database.

USE ______ selects a default database for use in subsequent SQL statements.

Arithmetic operators compute ______ values from numeric operands.

The logical operator NOT is ______.

The SELECT statement selects rows from a ______.

The SQL CREATE TABLE statement creates a new table by specifying the table and ______ ______.

An ALTER TABLE statement adds, deletes, or modifies ______ on an existing table.

A data type is a named set of values from which column values are ______.

A table must have at least one ______ but any number of rows.

The CREATE TABLE statement creates a new table by specifying the table name, column names, and column ______.

An optional WHERE clause specifies which rows are ______

The INSERT statement adds rows to a ______.

The primary key is usually the table's first column and appears on the left of table diagrams, but the position is not significant to the ______.

A composite primary key consists of ______ columns.

NOT NULL is a ______ constraint.

FOREIGN KEY is a ______ constraint.

UNIQUE is a ______ constraint that ensures values in a column, or group of columns, are unique.

CHECK is a ______ constraint that specifies an expression on one or more columns of a table.

Column constraints govern values in a ______ column.

When applied to a group of columns, UNIQUE is a ______ constraint and must appear in a separate clause.

The primary data structure of the relational data model is a ______ which is an unordered collection of elements enclosed in braces.

The data structure organizes data in ______: ⦁ A table has a name, a fixed tuple of columns, and a varying set of rows. ⦁ A column has a name and a data type. ⦁ A row is an unnamed tuple of values. Each value corresponds to a column and belongs to the column's data type. ⦁ A data type is a named set of values, from which column values are drawn. Since a table is a set of rows, the rows have no inherent order.

Like the relational data structure, relational operations are based on ______ theory.

The AUTO_INCREMENT keyword defines an ______ column.

Referential integrity requires foreign key values must either be ______ or match some value of the referenced primary key.

When a foreign key constraint is specified, the database rejects insert, update, and delete statements that violate ______.

RESTRICT, SET NULL, and SET DEFAULT apply to primary key update and delete, and foreign key insert and ______.