Question: A) SQL has five sublanguages: DDL, DML, DQL, DCL, and DTL. Choose two and explain the differences. Provide an example for each statement. B) Explain

A) SQL has five sublanguages: DDL, DML, DQL, DCL, and DTL. Choose two and explain the differences. Provide an example for each statement.

B) Explain why constraints are important in SQL. What is an example of a constraint?

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