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To delete an existing index from a table, you use the DROP INDEX statement as follows: DROP INDEX index_name ON table_name [algorithm_option | lock_option]; Code language: SQL (Structured Query Language) ( sql )
DROP INDEX drops the index named index_name from the table tbl_name. This statement is mapped to an ALTER TABLE statement to drop the index. See Section 15.1.9, “ALTER TABLE Statement” .
ALTER TABLE {your_table_name} DROP INDEX {your_index_name} OR. DROP INDEX {your_index_name} ON {your_tbl_name}
The DROP INDEX command is used to delete an index in a table. MS Access: DROP INDEX index_name ON table_name; SQL Server: DROP INDEX table_name.index_name; DB2/Oracle: DROP INDEX index_name; MySQL: ALTER TABLE table_name.
28 cze 2024 · The basic syntax for the DROP INDEX statement is as follows: DROP INDEX index_name ON table_name; index_name: The name of the index you want to drop. table_name: The name of the table from which the index will be dropped.
The basic syntax for the DROP INDEX statement is as follows: DROP INDEX [index_name] ON table_name; Here, index_name is the name of the index to be dropped, and table_name is the name of the table from which the index is to be removed.
6 gru 2021 · There are two ways to delete index keys from your MySQL table: For regular index keys, you need to use the ALTER TABLE statement with the DROP INDEX clause. For a PRIMARY KEY index, you need to use the ALTER TABLE ... DROP PRIMARY KEY statement. This tutorial will help you learn how to delete both types of index keys, starting with the regular ...
