英 ['h?v??]? ?美 ['h?v??]??
n.所有，持有
v.有( have的現(xiàn)在分詞 );（親屬關(guān)系中）接受;拿;買(mǎi)到
mysql HAVING語(yǔ)句 語(yǔ)法
作用：在 SQL 中增加 HAVING 子句原因是，WHERE 關(guān)鍵字無(wú)法與合計(jì)函數(shù)一起使用。
語(yǔ)法：SELECT column_name, aggregate_function(column_name) FROM table_name WHERE column_name operator value GROUP BY column_name HAVING aggregate_function(column_name) operator value