2019-02-18
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978
SQL 1093错误
SQL语句如下:
update t_account set balance=(
select balance-?
from t_account
where account=?)
where account=?;报错如下:
[SQL]update t_account set balance=(
select balance-200
from t_account
where account=12345)
where account = 12345;
[Err] 1093 - You can't specify target table 't_account' for update in FROM clause
答:
解决方法:
update t_account set balance=balance-?
where account=?;
0.0000
0
5
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