Which clause is used with the ALTER TABLE statement?

Question

The ALTER TABLE statement allows you to perform the following operations on an existing table: Add a new column using the ADD clause. Modify attribute of a column such as constraint, default value, etc.

Which clause is used with ALTER command?

To change a column's definition, use MODIFY or CHANGE clause along with the ALTER command.

What is the use of ALTER TABLE?

The ALTER TABLE statement is used to add, delete, or modify columns in an existing table. The ALTER TABLE statement is also used to add and drop various constraints on an existing table.

Which clause of ALTER TABLE is used to change the name of the column?

The CHANGE clause offers important additions to the renaming process. It can be used to rename a column and change the data type of that column with the same command.

Which of the following clause is used with ALTER command to update the existing datatype of a column to some other datatype?

ALTER TABLE table_name ALTER COLUMN column_name TYPE data_type; Alters the table by changing the datatype of column.

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