Podcast
Questions and Answers
What type of keys are used to link tables in a relational database?
What type of keys are used to link tables in a relational database?
- Indexed keys
- Primary keys
- Foreign keys (correct)
- Concatenated keys
In REA Modeling, what are the three separate business processes?
In REA Modeling, what are the three separate business processes?
- Attributes, Relationships, Tables
- Primary Keys, Foreign Keys, Concatenated Keys
- Entities, Connections, Transactions
- Resources, Events, Agents (correct)
What is the responsibility of a Database Administrator?
What is the responsibility of a Database Administrator?
- Modeling the business processes
- Creating foreign keys for data integrity
- Maintaining the database (correct)
- Linking tables using concatenated keys
What is the first step in creating an Entity-Relationship Diagram (ERD)?
What is the first step in creating an Entity-Relationship Diagram (ERD)?
Which requirement must be true when designing an REA diagram?
Which requirement must be true when designing an REA diagram?
What does a Data Dictionary provide in a database system?
What does a Data Dictionary provide in a database system?
What is the role of Data Integrity in a database?
What is the role of Data Integrity in a database?
Which cardinality relationship is denoted by a crow foot to crow foot symbol?
Which cardinality relationship is denoted by a crow foot to crow foot symbol?
What is the purpose of Data Manipulation Language (DML) in a database?
What is the purpose of Data Manipulation Language (DML) in a database?
What is the function of Data Control Language (DCL) in a database management system?
What is the function of Data Control Language (DCL) in a database management system?
Which language is used to retrieve, sort, order, and display data from a database?
Which language is used to retrieve, sort, order, and display data from a database?
In a Relational Data Model, how is data primarily stored?
In a Relational Data Model, how is data primarily stored?
