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MYSQL records mysql version information, user information, the last inserted id, database name, database connection id, the following describes its usage in detail.

1, connection_id connection id select connection_id（） 2, database() data name select database() 3,last_insert_id() Gets the id of the last insert select last_insert_id() 4,user() Get administrative username select user() 5,version() mysql Version info select version() The above is some information about mysql functions, you can try to run some articles from http://www.dc3688.com/

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