mysql 存儲過程批量刪除表

 使用存儲過程批量刪除表

delimiter //
create procedure dro01()
begin
declare i int;
set i=21;
while i<41 do
 set @dro_1=concat('drop table ','t',i,';');
 select @dro_1;
  prepare tmt from @dro_1;
  EXECUTE tmt;
  deallocate prepare tmt;
 set i=i+1;
end while;
end;//

delimiter ;

 

也可以使用函數CONCAT來生成批量執行sql語句，再執行批量sql語句。 

批量刪除特征表

SELECT CONCAT( 'drop table ', table_name, ';' ) 
FROM information_schema.tables 
WHERE TABLE_SCHEMA = 'db_name' table_name LIKE 'test_%';

批量刪除存儲過程

SELECT CONCAT( 'drop table ', ROUTINE_NAME, ';' ) FROM information_schema.`ROUTINES`
WHERE ROUTINE_SCHEMA='db_name';