mysql replace a character in a string
UPDATE users SET first_name = REPLACE (first_name, 'search', 'replace_with') where id > 0;mysql replace a character in a string
UPDATE users SET first_name = REPLACE (first_name, 'search', 'replace_with') where id > 0;mysql replace text
UPDATE
table_name
SET
column_name = REPLACE(column_name, 'text to find', 'text to replace with')
WHERE
column_name LIKE '%text to find%';mysql replace
REPLACE(str, find_string, replace_with)mysql find and replace
UPDATE `table` SET `column` = replace(`column`, 'find text', 'replace text')MySQL REPLACE
The MySQL REPLACE statement is an extension to the SQL Standard. The MySQL REPLACE statement works as follows:
Step 1. Insert a new row into the table, if a duplicate key error occurs.
Step 2. If the insertion fails due to a duplicate-key error occurs:
Delete the conflicting row that causes the duplicate key error from the table.
Insert the new row into the table again.
To determine whether the new row that already exists in the table, MySQL uses PRIMARY KEY or UNIQUE KEY index. If the table does not have one of these indexes, the REPLACE works like an INSERT statement.
To use the REPLACE statement, you need to have at least both INSERT and DELETE privileges for the table.
Notice that MySQL has the REPLACE string function which is not the REPLACE statement covered in this tutorial.
The following illustrates the syntax of the REPLACE statement:
REPLACE [INTO] table_name(column_list)
VALUES(value_list);Copyright © 2021 Codeinu
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