How to use Replace Statement In MariaDB
The REPLACE statement enables we to put a new record in a table. In case of the duplicate key, MariaDB gets rid of the old record and inserts a new one.
REPLACE INTO users (id, name, email) VALUES (1, 'ratnala', 'ratnala1@gmail.com');
Output:
Explanation: If a duplicate key is found during insertion, MariaDB replaces the existing record with the new one, effectively deleting the old record and inserting the new one in its place.
How to Insert if Not Exists in MariaDB
When managing a database, the need often arises to either insert a new record or update an existing one. MariaDB provides a powerful tool to handle this situation efficiently: the SQL IF NOT EXISTS clause. This clause allows us to perform an INSERT operation only if the record does not already exist, or an UPDATE operation if it does. In this article, we will explore how to use the SQL IF NOT EXISTS clause in MariaDB to insert a record if not present otherwise update the record with the help of examples and so on.