UPDATE Table_A SET Table_A.col1 = Table_B.col1, Table_A.col2 = Table_B.col2 FROM Some_Table AS Table_A INNER JOIN Other_Table AS Table_B ON Table_A.id ... ... <看更多>

最近看到UPDATE 和DELETE可以搭配用JOIN 方式這種常常查詢資料都要搭配 ... 妙用就是把 b 表換成子查詢可以用JOIN 方式改變 a 表的內容省了寫程式code ... <看更多>

This seems to work: Update companies c inner join (select a.id as company_id, sum(case when b.hot_tip = 1 then ... ... <看更多>

This video shows the different methods that can be used to update from a select clause in SQL server, specifically how to update from a ... ... <看更多>