What does delete from table mean in SQL

Editor to share with you what delete from table refers to in SQL, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

In SQL, "delete from table" means to clear the records in the table, DELETE is to conditionally delete the data in the table, if the condition is not written, the whole table is deleted, but after deletion, the table still exists and can still operate on the table.

The specific syntax is:

DELETE FROM TABLE WHERE condition

Similarly, there is a TRUNCATE TABLE TABLENAME statement that deletes or deletes the data without committing the whole table, and the table still exists.

In summary, when using DELETE, only the data is deleted; the structure of the table and all properties of the table, such as field properties and indexes, are retained.

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