PHP MySQL Insert Multiple Records Previous Next Insert Multiple Records Into MySQL Using MySQLi and PDO. As it's explained in the main article, a once prepared statement could be executed multiple times, slightly reducing the overhead on the query parsing. The way to get around this is to bind the results. PHP prepared statements SELECT multiple rows. I create the prepared statement before the loop. It is slightly faster than performing the same query again and again, as it does query parsing only once. Multiple SQL statements must be executed with the mysqli_multi_query() function. Then I execute it in the loop. If the statement is UPDATE, DELETE, or INSERT, the total number of affected rows can be determined by using the mysqli_stmt_affected_rows() function. Also, consider the use of the MySQL multi-INSERT SQL syntax for INSERTs. I don't understand why we're spending half of the discussion on this useless triviality. Likewise, if the query yields a result set the mysqli_stmt_fetch() function is used. Selecting rows. This isn't the first time I'm using PHP. We supply that array to our custom function, which carries out the multi-insert. Now previous to using prepared statements, I used to build up a long SQL 'VALUES' clause by looping through an array of "records" to insert, instead of running an INSERT query on every 'record' in the array. Prepared statements. I love PDO, and I thought that the "prepare once, execute many" idea behind prepared statements was beautiful. Go to solution Solved by Barand, November 28, 2015. Reply to … Please help with updating multiple rows with an array using PHP with mySQLi I have managed to do this OK with an INSERT query, but am struggling with the syntax for an UPDATE query. As you can see, it’s actually pretty simple. Share Followers 1. A prepared statement executed only once causes more client-server round-trips than a non-prepared statement. Deleting rows. Explanation of Code (Procedural style) Inside the SQL INSERT statement (line no-12) of the example above, the question marks is used as the placeholders for the first_name, last_name, email fields values. As you can see in the above example we've prepared the INSERT statement just once but executed it multiple times by passing the different set of parameters.. php; mysql; By thara, November 28, 2015 in PHP Coding Help. For example: Browse other questions tagged php mysqli prepared-statement or ask your own question. The following examples add three new records to the "MyGuests" table: Example (MySQLi Object-oriented) Updating rows. Further reading on the PDO object: Connecting to MySQL. So it's one prepared statement which gets executed multiple times. So it makes sense to use this feature when we need to insert multiple rows into the … Multiple execution. Inserting rows. This is why the SELECT is not run as a prepared statement above. Sensible enough. 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