Which key uniquely identifies each row in a table?

Which normal form removes partial dependency?

In SQL, which clause is used to filter rows after grouping?

Which isolation level prevents dirty reads?

A foreign key primarily enforces which property?

Which join returns only matching rows from both tables?

Which index structure is most commonly used in DBMS for range queries?

Which command is used to remove a table definition and data?

Which ACID property ensures changes persist after commit?

Normalization mainly aims to reduce: