What are the commands of DDL?

Question

Data Definition Language (DDL) commands: CREATE to create a new table or database. ALTER for alteration. Truncate to delete data from the table. DROP to drop a table. RENAME to rename a table.

How many commands are there in DDL?

There are five types of SQL commands: DDL, DML, DCL, TCL, and DQL.

What are DDL commands give examples?

DDL Commands in SQL Examples:CREATE – Creates objects e.g. table in the database.ALTER – Alters objects of the database. e.g. modifying a column of a table.DROP – Deletes objects from the database. ... TRUNCATE – Deletes all records from a table and resets table identity to initial value.

What are the DML commands?

What are the DML commands in DBMS?SELECT − Retrieve data from the database.INSERT − Insert data into a table.UPDATE − Update existing data within a table.DELETE − Delete records from a database table.

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