DROP INDEX index_name ON tbl_name
DROP INDEX用于从表tbl_name中取消名称为index_name的索引。本语句被映射到一个ALTER TABLE语句中，用于取消索引。请参见13.1.2节，“ALTER TABLE语法”。
相关文章
mysql 注释语法mysql start transaction commit和rollback语法mysql create function/drop function语法mysql create index语法mysql create view语法mysql describe语法（获取有关列的信息）mysql drop database语法mysql drop index语法mysql drop procedure和drop functionmysql drop table语法mysql drop trigger语法mysql drop view语法mysql explain语法（获取select相关信息）mysql load data infile语法mysql replace语法mysql set transaction语法mysql subquery语法mysql truncate语法php mysql xdevapi collection create collection indexphp mysql xdevapi collection drop collection index
关注编程学问公众号
