![]() Instead, let a possible error to bubble up to either the built-in PHP's or your custom error handler. ![]() It either inserts, or deletes and inserts. REPLACE is a MySQL extension to the SQL standard. Remember that you should't wrap every query into a try.catch statement. REPLACE works exactly like INSERT, except that if an old row in the table has the same value as a new row for a PRIMARY KEY or a UNIQUE index, the old row is deleted before the new row is inserted. ![]() Or you can chain execute() to prepare(): $sql = "DELETE FROM coupons WHERE used = :used AND date_active prepare ( $sql )-> execute ( $data ) $sql = "DELETE FROM coupons WHERE used = :used AND date_active prepare ( $sql ) To create a user account, the current account needs to have CREATE USER privilege, or the INSERT privilege for the MySQL system schema. In case you have a predefined array with values, or prefer named placeholders in general, the code would be $data = [ You can create a new user account in MySQL using the CREATE USER Statement. Here is what I wrote: DELIMITER CREATING SCHEMA DROP SCHEMA IF EXISTS rms CREATE SCHEMA rms USE rms DROP USER DROP PROCEDURE IF EXISTS PREPAREUSERS CREATE PROCEDURE PREPAREUSERS () BEGIN DECLARE VRECORDNOTFOUND INTEGER. Or you can chain execute() to prepare(): $pdo -> prepare ( "DELETE FROM users WHERE id=?" )-> execute () DELETE query with named placeholders I want to delete all users from my MySQL database with specified name regardless to the host parameter. execute the statement, sending all the actual values to execute() in the form of array.ĭELETE query with positional placeholdersĪs usual, positional placeholders are more concise and easier to use $sql = "DELETE FROM users WHERE id=?".replace all actual values with placeholders.In order to run an DELETE query with PDO just follow the steps below: DELETE query with positional placeholdersįirst of all, make sure you've got a properly configured PDO connection variable that is needed in order to run SQL queries using PDO (and to inform you of the possible errors).
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