Data Definition Language (DDL) DDL is used for specifying the database schema. It is used for creating tables, schema, indexes, constraints etc. in database. Lets see the operations that we can perform on database using DDL: To create the database instance – CREATETo alter the structure of database – ALTERTo drop database instances – DROPTo delete tables in a database instance – TRUNCATETo rename database instances – RENAMETo drop objects from database such as tables – DROPTo Comment – Comment All of these commands either defines or update the database schema that’s why they come under Data Definition language. - Study24x7
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56 followers study24x7 23 Feb 2019 01:06 PM study24x7 study24x7

Data Definition Language (DDL)

DDL is used for specifying the database schema. It is used for creating tables, schema, indexes, constraints etc. in database. Lets see the operations that we can perform on database using DDL: To create the database instance – CREATE

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