Which of the following is valid SQL for an index?

Question

A) CREATE INDEX ID;

B) CHANGE INDEX ID;

C) ADD INDEX ID;

D) REMOVE INDEX ID;

Answer 1

The valid SQL for creating an index is option A) CREATE INDEX ID. This statement is used to create an index on one or more columns of a table. Indexes help improve query performance by facilitating faster data retrieval based on the indexed column(s). Options B) CHANGE INDEX ID, C) ADD INDEX ID, and D) REMOVE INDEX ID are not valid SQL statements for creating or modifying indexes.

Answer 2

The correct answer to the question “Which of the following is valid SQL for an index” is option (a). CREATE INDEX ID. And all the other options are incorrect and are not valid SQL for an index. If you are planning to master SQL, check out the SQL certification course from Intellipaat. Also, have a look at the latest video titled Learn SQL.

Answer 3

The valid SQL for creating an index is option A) CREATE INDEX ID.

The CREATE INDEX statement is used to create an index on one or more columns of a table.

The "ID" in the statement represents the name of the index that will be created.

This statement allows you to specify the table and the column(s) on which the index should be created.

Indexes are used to improve query performance by allowing faster data retrieval based on the indexed column(s).

The options B) CHANGE INDEX ID, C) ADD INDEX ID, and D) REMOVE INDEX ID are not valid SQL statements for creating or modifying indexes.

Answer 4

A) CREATE INDEX ID.