DROP Statement
The DROP
statement is used to delete database objects like tables, views, or indexes permanently. Use this command with caution, as it cannot be undone.
Example: Dropping a Table
DROP TABLE SocialActivists;
Output:
Table SocialActivists
dropped successfully.
Warning:
Using DROP
will remove the table and all its data permanently. Ensure you have backups if necessary.
Do's and Don'ts
Do's
- Double-check the table name before executing a
DROP
command. - Take a backup of the data if there's a chance it might be needed later.
- Inform team members before dropping shared tables or objects.
Don'ts
- Don't use
DROP
lightly, as the operation is irreversible. - Don't drop tables during peak hours, as it might affect performance and users.
- Don't drop objects without knowing their dependencies, as it may break other parts of the system.