WHERE name REGEXP .*iPhone.*; 上面的代码表示,查询任何包含iPhone的记录,并显示其productid。 正则表达式在MSSQL中也可以用于替换。下面举例来说明: UPDATE Production.Product SET name =REGEXP_REPLACE(name, ^A, ) WHERE name REGEXP ^A; 上面的查询结果表示,将Production.Product中name列中以A开头的字符串...
6、用正则表达式进行搜索: 用于匹配特定模式的文本,如电话号码,邮箱等。 REGEXP操作符: regexp 替换立刻的作用 关于正则表达式的内容请参考正则表达式语法。 7、创建计算字段: 计算字段是运行时在select语句内创建的。 使用Concat()函数实现拼接。 select Contact(A, '(',B,')') from table ; 使用别名,别名有...
'NLS_SORT=SCHINESE_RADICAL_M'); --按照拼音排序: select * from table order by nlssort(col,'NLS_SORT=SCHINESE_PINYIN_M'); --解决: 1班 2班 3班 select * from table order by to_number(regexp_substr(a.bjname,'[0-9]*[0-9]',1)); 4班...
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Where can I find non-ASCII characters? If you want an easy way to replace non-ASCII or non printable characters you should use regexp [[:nonasci:]]. If you already have Emacs 20, you should be using regexes [000-177] to write code. Interactively, it is possible to apply cm-s CQ...
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