What are the three operations of ALTER TABLE?

What operations can the ALTER TABLE command perform?

The most commonly used Alter operations are Add, Drop, Modify, change commands for adding, deleting, or changing the contents of the table or column. ALTER command can be used to add columns to an existing table, drop a column from a table, rename an existing column, and change the data type of a column.

What is ALTER command with example?

SR.NOALTER Command1ALTER command is Data Definition Language (DDL).2Alter command will perform the action on structure level and not on the data level.3ALTER Command is used to add, delete, modify the attributes of the relations (tables) in the database.

What is table operation in DBMS?

SQL Table is a collection of data which is organized in terms of rows and columns. In DBMS, the table is known as relation and row as a tuple. Table is a simple form of data storage. A table is also considered as a convenient representation of relations.