MySQL Global User Variables UDF is a Scripts software developed by Frank DENIS. After our trial and test, the software is proved to be official, secure and free. Here is the official description for MySQL Global User Variables UDF:

EditByMarydown: This shared Library adds simple user functions to MySQL in order to keep persistent shared variables in memory. These variables and their values are available to all clients. Any data can be stored into these persistent variables, including BLOBs. Since updates are Atomic and way faster than MEMORY tables, this is an easy and efficient way to handle counters and sequences.