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To delete an existing index from a table, you use the DROP INDEX statement as follows: ON table_name. In this syntax: First, specify the name of the index which you want to remove after the DROP INDEX keywords. Second, specify the name of the table to which the index belongs.
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” .
28 cze 2024 · What is the purpose of the DROP INDEX statement in MySQL? The DROP INDEX statement is used to delete an existing index from a table in a MySQL database. Removing unnecessary indexes can improve database performance and optimize storage.
DROP INDEX. The DROP INDEX command is used to delete an index in a table. MS Access:
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.
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}
