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| '''Summary'''
|Writes a string to the database logs, along with current user data (timestamp, user nameusername). An optional log {{Code|$type}} can be specified. If omitted, the log type is {{Code|INFO}}.<br/>If the function is called from a database client, the IP will be logged. Otherwise, the string {{Code|SERVER}} will be logged.
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| '''Errors'''
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| '''Summary'''
|Returns an element sequence with all currently opened database sessions, including the user nameusername, address (IP:port) and an optionally opened database.<br/>The output of this function and the {{Command|SHOW SESSIONS}} command is similar.
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| '''Examples'''