mysql路径查找_如何在MySQL的具有文件路径的列中查找和替换?
為此,請使用MySQL REPLACE()。讓我們首先創建一個表-mysql>?create?table?DemoTable
(
FolderLocation?text
);
使用插入命令在表中插入一些記錄-mysql>?insert?into?DemoTable?values('C/ProgramFiles/AllMySQLProgram');
mysql>?insert?into?DemoTable?values('C/ProgramFiles/JavaChatApplication');
mysql>?insert?into?DemoTable?values('C/ProgramFiles/Main/Image.png');
使用select語句顯示表中的所有記錄-mysql>?select?*from?DemoTable;
這將產生以下輸出-+------------------------------------+
|?FolderLocation?????????????????????|
+------------------------------------+
|?C/ProgramFiles/AllMySQLProgram?????|
|?C/ProgramFiles/JavaChatApplication?|
|?C/ProgramFiles/Main/Image.png??????|
+------------------------------------+
3?rows?in?set?(0.00?sec)
以下是在MySQL中執行查找和替換的查詢-mysql>?update?DemoTable
set?FolderLocation=replace(FolderLocation,'C/ProgramFiles','E/MyFolder/Details');
Rows?matched:?3?Changed?:?3?Warnings?:?0
讓我們再次檢查表記錄-mysql>?select?*from?DemoTable;
這將產生以下輸出-+----------------------------------------+
|?FolderLocation?????????????????????????|
+----------------------------------------+
|?E/MyFolder/Details/AllMySQLProgram?????|
|?E/MyFolder/Details/JavaChatApplication?|
|?E/MyFolder/Details/Main/Image.png??????|
+----------------------------------------+
3?rows?in?set?(0.00?sec)
總結
以上是生活随笔為你收集整理的mysql路径查找_如何在MySQL的具有文件路径的列中查找和替换?的全部內容,希望文章能夠幫你解決所遇到的問題。
- 上一篇: mysql 临时表 插入_mysql临时
- 下一篇: mysql删除了密码怎样恢复_windo