(PHP 5)
mysqli->real_query() — Execute an SQL query
Procedural style
Object oriented style (method):
Executes a single query against the database whose result can then be retrieved or stored using the mysqli_store_result() or mysqli_use_result() functions.
In order to determine if a given query should return a result set or not, see mysqli_field_count().
Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()
The query, as a string.
如果成功则返回 TRUE,失败则返回 FALSE。