1, 
ALTER TABLE tbl_name [WAIT n | NOWAIT],…
CREATE ……, INDEX 提醒tbl_name (index_col_name,…), [WAIT n | NOWAIT],…
DROP INDEX …, [WAIT n | NOWAIT]
DROP TABLE tbl_name [WAIT n | NOWAIT],…
LOCK TABLE …, [WAIT n | NOWAIT]
OPTIMIZE TABLE tbl_name [WAIT n | NOWAIT]
RENAME TABLE tbl_name [WAIT n | NOWAIT],…
SELECT ……, FOR UPDATE [WAIT n | NOWAIT]
SELECT ……, LOCK SHARE 拷贝;MODE [WAIT n | NOWAIT]
TRUNCATE TABLE tbl_name [WAIT n | NOWAIT]
<强>
