[英]Delete row from mysql table where value not like
I have a table that has the results of tests. 我有一张包含测试结果的表。
It looks like: 看起来像:
Test | Result
Math | Pass
Science | Fail
History | cancelled
French | Absent
The table is named table1. 该表名为table1。 I want to delete rows in the table where the value of the column result is not "Pass"
or "fail"
我想删除表中列结果的值不是"Pass"
或"fail"
Something like: 就像是:
Delete from table1
where result not in (Pass, Fail);
The resulting table would look like: 结果表如下所示:
Test | Result
Math | Pass
Science | Fail
尝试这个:
DELETE FROM table1 WHERE result NOT IN ('Pass', 'Fail');
Your example worked for me by adding quotes around Pass
and Fail
. 您的示例通过在Pass
和Fail
周围添加引号来为我工作。
delete from table1
where result not in ('Pass', 'Fail')
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