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CBSE Class 12 Informatics Practices Question 8 of 103

Review of Database Concepts & SQL — Question 8

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Question

Question 8

Assertion (A): SQL has efficient mechanisms to retrieve data stored in multiple tables in a MySQL database.

Reasoning (R): The SQL statement CREATE is used to retrieve data from the tables in a database and is also called query statement.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

A is true but R is false.

Explanation
SQL provides efficient mechanisms, such as JOIN operations, to retrieve data from multiple tables in a MySQL database. The SQL statement CREATE is used to create new database objects such as tables, indexes, or views. The SELECT statement is used to retrieve data from tables in a database and is known as a query statement.