How to remove a specific string in mysql?

Based on your description, if you want to remove a specific string from a field in a MySQL database, you can use the built-in REPLACE() function to replace the specified string with an empty character.

Here is an example of using the REPLACE() function:

UPDATE 表名 SET 字段名 = REPLACE(字段名, '指定字符串', '');

In the above example, replace ‘table name’ with the name of the table you want to update, replace ‘field name’ with the name of the field from which you want to remove a specific string, and replace ‘specific string’ with the actual string you want to remove.

Please note: This will update the data in the table, so make sure to backup before executing and proceed with caution.

If you simply want to remove a specific string from the query results without modifying the data in the database, you can achieve this by using the SELECT statement combined with the REPLACE() function.

SELECT REPLACE(字段名, '指定字符串', '') AS 新字段名 FROM 表名;

Similarly, replace ‘column name’ with the name of the field from which you want to remove a specific string, replace ‘specific string’ with the exact string you want to remove, and replace ‘table name’ with the name of the table you want to query.