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11
notes/SQL.md
11
notes/SQL.md
@ -223,7 +223,7 @@ WHERE col IS NULL;
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通配符也是用在过滤语句中,但它只能用于文本字段。
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- **%** 匹配 >=0 个任意字符;
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- **%** 匹配 \>=0 个任意字符;
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- **\_** 匹配 ==1 个任意字符;
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@ -305,7 +305,7 @@ WHERE SOUNDEX(col1) = SOUNDEX('apple')
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- 日期格式:YYYY-MM-DD
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- 时间格式:HH:<zero-width space>MM:SS
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- 时间格式:HH:\<zero-width space\>MM:SS
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|函 数 | 说 明|
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| :---: | :---: |
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@ -769,10 +769,3 @@ SET PASSWROD FOR myuser = Password('new_password');
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# 参考资料
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- BenForta. SQL 必知必会 [M]. 人民邮电出版社, 2013.
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<div align="center"><img width="320px" src="https://cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com/githubio/公众号二维码-2.png"></img></div>
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