25 Questions
What is the primary function of the user's workstation in a Three-tier application?
To host the application program
What is one of the primary responsibilities of an Oracle DBA?
To insert application data in the database
What is the basic data structure of the relational model?
Table
In a Three-tier application, where is the application program typically located?
On the user's workstation
What is the purpose of the relational model in database management systems?
To store and manage large amounts of data
What is not a primary responsibility of an Oracle DBA?
Designing the application's user interface
What is the primary role of the database in a Three-tier application?
To store and manage application data
What is the basic component of the relational model that consists of rows and columns?
Table
What is the term used to describe the relationships between tables in the relational model?
Relationship
What is the benefit of using the relational model in database management systems?
All of the above
What is the primary function of an application server?
To act as an interface between clients and database server
What is the relationship between an application server and a database server?
The application server is a separate entity from the database server
What do clients access through an application server?
The database server
What is the role of an application server in a client-database system?
To act as a bridge between clients and database servers
What is not a function of an application server?
To store data
What is the basic data structure of the relational model?
File
What is represented in columns and rows in a relational model?
Information about the particular entity
What can tables have in a relational model?
Keys
What is the purpose of a key in a relational model?
To uniquely identify a record
What is the term used to describe the entity represented in a relational model?
Entity
What is the primary characteristic of Data Redaction?
Data is masked to conceal sensitive information
What does Data Redaction not do?
Change the data stored in the database
What is the purpose of Data Redaction in a database?
To secure sensitive information
What is the outcome of Data Redaction on database data?
Data is masked and concealed
What is the relationship between Data Redaction and database security?
Data Redaction is a tool for database security
Study Notes
Relational Model
- The basic data structure of the relational model is the Table.
Three-Tier Applications
- In Three-tier applications, the user's workstation has the application program.
Oracle DBA's Role
- One of the Oracle DBA's Roles is to insert application data in the database.
Application Server
- The application server contains the application and acts as an interface between clients and the database server.
RDBMS
- The basic data structure of the relational model is not the file.
- Information about a particular entity is represented in columns and rows in RDBMS.
- Tables can have Keys in RDBMS.
Data Redaction
- Data Redaction does not change the data stored in the database.
Note: Some options from the original text were omitted as they seemed unrelated to the main topics or were unclear in their meaning.
Practice quiz to test your understanding of basic database concepts, including relational models and data structures.
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