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sql: remove unsupported functions #873

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Sep 10, 2018
Merged

sql: remove unsupported functions #873

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3 changes: 0 additions & 3 deletions sql/string-functions.md
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Original file line number Diff line number Diff line change
Expand Up @@ -53,8 +53,6 @@ category: user guide
| [`FORMAT()`](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_format) | 返回指定小数位数格式的数字 |
| [`ORD()`](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_ord) | 返回参数中最左字符的字符代码 |
| [`QUOTE()`](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_quote)                         | 引用一个字符串，返回一个在 SQL 语句中可用作正确转义的数据值的结果                                                                                           |
| [`SOUNDEX()`](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_soundex) | 返回一个 soundex 字符串 |
| [`SOUNDS LIKE`](https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#operator_sounds-like)               | 按发音比较字符串   |

## 字符串比较函数

Expand All @@ -63,7 +61,6 @@ category: user guide
| [`LIKE`](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_like) | 进行简单模式匹配 |
| [`NOT LIKE`](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#operator_not-like) | 否定简单模式匹配 |
| [`STRCMP()`](https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html#function_strcmp) | 比较两个字符串 |
| [`MATCH`](https://dev.mysql.com/doc/refman/5.7/en/fulltext-search.html#function_match) | 执行全文搜索 |

## 正则表达式

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