PHP mysqli_query() function definition and usage

Definition and usage

mysqli_query() function executes a query against the database.

Syntax

mysqli_query(connection,query,resultmode);

Parameter description:

connection Required, specifies the MySQL connection to be used.

query Required, specifies the query string.

resultmode Optional. a constant. Can be any of the following values:

1.MYSQLI_USE_RESULT (use this if you need to retrieve a large amount of data)

2.MYSQLI_STORE_RESULT (default)

Return value:

For a successful SELECT, SHOW, DESCRIBE or EXPLAIN query, a mysqli_result object will be returned. For other successful queries, TRUE will be returned. On failure, returns FALSE.

Update log: The asynchronous query function is added in PHP 5.3.0.

PHP mysqli_query() function usage example:

Execute a query against the database:

Delete database

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