replace sql
时间: 2023-08-22 10:14:34 浏览: 52
replace函数在SQL中用于替换字符串中的指定字符或子字符串。它可以在查询中替换字符,更新中替换字符,或者在插入新行时替换字符。在MySQL中,REPLACE语句是标准SQL的扩展,它的工作原理是如果新行已存在,则先删除旧行,然后插入新行;如果新行不存在,则直接插入新行。\[1\]\[2\]\[3\]
#### 引用[.reference_title]
- *1* [SQL的replace函数——替代某字符](https://blog.csdn.net/weixin_50853979/article/details/124671174)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [SQL中的替换函数replace总结](https://blog.csdn.net/weixin_46687787/article/details/119829049)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [SQL语法——REPLACE语句](https://blog.csdn.net/cold___play/article/details/124198878)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down1,239^v3^insert_chatgpt"}} ] [.reference_item]
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