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SQL: DELETE Query

What is Delete Query? In SQL, the DELETE Query removes existing records from a table. Depending on the condition specified in the WHERE clause, we can delete a single record or multiple records. NOTE: This command must be used with extreme caution because it permanently deletes the data. Syntax: where table_name is the table that has […]

March 22, 2023 | DBMS | No comments

SQL: Truncate, Drop, Rename Query

The various DDL commands that are used to redefine the tables will be covered in this tutorial. Truncate Query: TRUNCATE statement is a Data Definition Language (DDL) operation that is used to mark the extent of a table for deallocation (empty for reuse). This method instantly deletes all of the data from a table while […]

March 15, 2023 | DBMS | No comments

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