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Update mysql.md

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richie 2020-03-27 20:37:31 +08:00 committed by anruence
parent 64732a8cca
commit dc42df5abb
1 changed files with 3 additions and 3 deletions
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docs/mysql.md
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@ -172,7 +172,7 @@
12.where 从句禁止对列进行函数转换和计算(导致无法使用相关列的索引)
SELECT（错误写法）
SELECT（正确写法）
*
FROM
miaosha_message
@ -180,7 +180,7 @@
create_time >= '20190101'
AND create_time < '20190102'
SELECT （正确写法）
SELECT （错误写法）
*
FROM
miaosha_message
@ -220,4 +220,4 @@