SQL uses the DROP command to delete an entire database, table indexes, data, and more, while the TRUNCATE command is employed to delete all rows from a table. Let’s delve deeper into the differences between the DROP and TRUNCATE commands.
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The DROP command in SQL is designed to delete an entire database, table indexes, data, and more. Notably, this command can permanently delete a table and its contents.
The TRUNCATE command in SQL is employed to delete all rows from a table. However, the table's structure and columns remain intact. This command is faster than the DROP command.
S.No | DROP | TRUNCATE |
1. | Used to delete the entire database from the table. | Used to delete the tuples from the table. |
2. | Integrity constraints are removed by the DROP command. | Integrity constraints are not removed by the TRUNCATE command. |
3. | The table structure no longer exists. | The table structure remains intact. |
4. | The table is removed from memory. | The table remains in memory. |
5. | It operates slower than the TRUNCATE command. | It operates faster than the DROP command. |
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