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  1. Queries are sent in a single call to the database and processed sequentially. mysqli_multi_query () waits for the first query to complete before returning control to PHP.

    • Prepare

      Prepares the SQL query, and returns a statement handle to be...

    • Init

      Initializes MySQLi and returns an object for use with...

    • Mysqli

      mysqli::escape_string — Alias of mysqli_real_escape_string...

    • MySQL

      PHP offers several MySQL drivers and plugins for accessing...

    • Ping

      Pings a server connection, or tries to reconnect if the...

    • Savepoint

      Parameters ¶ mysql Procedural style only: A mysqli object...

    • Rollback

      mysqli_autocommit () - Turns on or off auto-committing...

    • Autocommit

      Turns on or off auto-commit mode on queries for the database...

  2. Definition and Usage The multi_query () / mysqli_multi_query () function performs one or more queries against the database. The queries are separated with a semicolon.

  3. The mysqli_multi_query() function accepts a string value representing a query as one of the parameters and, executes/performs the given query on the database. You can also pass multiple queries to this function by separating them with a semicolon.

  4. The mysqli_multi_query () executes one or multiple queries which are concatenated by a semicolon. To retrieve the resultset from the first query you can use mysqli_use_result () or mysqli_store_result (). All subsequent query results can be processed using mysqli_more_results () and mysqli_next_result ().

  5. All subsequent query results can be processed using mysqli_more_results () and mysqli_next_result (). Here is a function that returns the last result of a multi-query:

  6. The MySQL server will then process the next query in the sequence. Once the next result is ready, MySQL will wait for the next execution of mysqli_next_result from PHP. It is recommended to use do-while to process multiple queries. The connection will be busy until all queries have completed and their results are fetched to PHP.

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  8. In PHP, you can execute multiple SQL queries in one statement by using the mysqli_multi_query() function.