mysql的左鏈接

哇，mysql的左鏈接我又忘記了，作個筆記。html select * from table1 a left join table2 b on a.id = b.id 這樣就鏈接起來了，棒棒的mysql 轉載於:https://www.cnblogs.com/fuckingPangzi/p/10384056.htmlsql

>>阅读原文<<