sql遞歸函數(shù)start with mysql遞歸查詢，不用存儲(chǔ)過程？
mysql遞歸查詢，不用存儲(chǔ)過程？with a as(select * from table1 where parentid=0union allselect b.* from a，table1 b
mysql遞歸查詢，不用存儲(chǔ)過程？
with a as(select * from table1 where parentid=0union allselect b.* from a，table1 b where a.id=b.parentid)select * from a用with as 來實(shí)現(xiàn)遞歸