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Questions and Answers
What is the primary goal of the CRUD rule?
What is the primary goal of the CRUD rule?
- To implement E.F. Codd's 12 rules
- To define the relational model
- To ensure data consistency
- To create, read, update, and delete data efficiently (correct)
What is the purpose of constraints in a database?
What is the purpose of constraints in a database?
- To improve database performance
- To ensure data consistency and integrity (correct)
- To reduce data storage capacity
- To increase the complexity of SQL queries
What is the main difference between DBMS and RDBMS?
What is the main difference between DBMS and RDBMS?
- DBMS is used for relational databases, while RDBMS is used for non-relational databases
- RDBMS is used for SQL-based databases, while DBMS is used for NoSQL-based databases
- DBMS is used for large-scale databases, while RDBMS is used for small-scale databases
- RDBMS is used for relational databases, while DBMS is used for non-relational databases (correct)
What are the 5 types of SQL statements?
What are the 5 types of SQL statements?
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What are the 4 rules proposed by E.F. Codd?
What are the 4 rules proposed by E.F. Codd?
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