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17 paź 2016 · You can use sql to truncate one table and then insert the data from the other table into it. Put it into a transaction to keep it safe. http://dev.mysql.com/doc/refman/5.7/en/sql-syntax-transactions.html
MySQL 8.4 supports TABLE as well as SELECT with REPLACE, just as it does with INSERT. See Section 15.2.7.1, “INSERT ... SELECT Statement” , for more information and examples.
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 statement works like an INSERT statement.
24 mar 2024 · When using the MySQL REPLACE statement to update another table based on a source table, we have the option of using a SELECT statement to select the whole table (or part of it) or the TABLE statement to select the whole table.
27 gru 2023 · Available since early versions of MySQL, REPLACE provides simple string substitution capabilities directly in SQL without complex application code. In this comprehensive guide, we‘ll cover everything you need to know to leverage REPLACE for your own MySQL find-and-replace tasks.
1 kwi 2024 · The MySQL REPLACE statement allows us to replace data in a table with new data. The new data can be explicitly provided in the statement or it could come from the result of a query. Therefore, we can use the REPLACE statement to effectively “refresh” a table with new/updated data from another table.
Definition and Usage. The REPLACE () function replaces all occurrences of a substring within a string, with a new substring. Note: This function performs a case-sensitive replacement. Syntax. REPLACE (string, from_string, new_string) Parameter Values. Technical Details. Works in: From MySQL 4.0. More Examples. Example. Replace "X" with "M":