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This article mainly introduces what are the functions of the drop keyword in the sql sentence. It is very detailed and has a certain reference value. Interested friends must read it!

The drop keyword in the sql statement deletes the table from the database. The drop statement removes the structure of the table, as well as dependent constraints, triggers, and indexes. After deletion, stored procedures and functions that depend on the table will be retained, but will become invalid.

The drop keyword in the sql statement deletes the table from the database.

Related introduction:

The drop statement removes the structure of the table, as well as dependent constraints (constrain), triggers (trigger), and indexes (index).

Syntax:

Drop table table_name

Description:

1. After deletion, stored procedures / functions that depend on the table will be retained, but will become invalid state.

2. Drop also belongs to DDL language and its execution speed is the fastest.

3. Delete the content and definition and free up the space.

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