Write the Commands of DDL and DML
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Examples of DDL commands:
- CREATE – is used to create the database or its objects (like table, index, function, views, store procedure and triggers).
- DROP – is used to delete objects from the database.
- ALTER-is used to alter the structure of the database.
Some commands of DML are:
- SELECT – retrieve data from the a database.
- INSERT – insert data into a table.
- UPDATE – updates existing data within a table.
- DELETE – deletes all records from a table, the space for the records remain.
- MERGE – UPSERT operation (insert or update)
- CALL – call a PL/SQL or Java subprogram.
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