![]() We’ll insert a new user into a user database only if their username does not already exist: INSERT INTO users (username, password) Let’s use the above syntax(“INSERT INTO IF NOT EXISTS”) in the live example and create a query to insert a record into MySQL if the record does not exist. SELECT 1 FROM table_name WHERE condition: The subquery that checks for the existence of a record based on the specified condition.WHERE NOT EXISTS: The condition that checks whether a matching record exists in the table.SELECT value1, value2, …: The values you want to insert into the specified columns. ![]()
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