UPDATE Tabel1 t1 set t1.col1=
( SELECT col2 from Tabel2 t2 WHERE t1.col1=t2.col2)
where exists
( SELECT col2 from Tabel2 t2 WHERE t1.col1=t2.col2)
更新Table1 和Table1 匹配的值 中 表Table1 中col1 列的值
2024-04-07 11:05:20
UPDATE Tabel1 t1 set t1.col1=
( SELECT col2 from Tabel2 t2 WHERE t1.col1=t2.col2)
where exists
( SELECT col2 from Tabel2 t2 WHERE t1.col1=t2.col2)
更新Table1 和Table1 匹配的值 中 表Table1 中col1 列的值