== Extra database ==
After creating a new user with access to only one database, you discover to your horror an extra database named information_schema. You try to remove it to no avail
what is it and has your system been compromised .
=== No threat ===
Relax it poses no threats
the information schema is a comprehensible, rich source of metadata. It was first introduced in MySQL 5.0.02 ? (Uniform Server 3.5-Apollo current version is MySQL 5.0.41). MySQL automatically populates the database.
=== Current user only ===
=== Read only ===
It does not support addition, deletion or modification of data. Direct manipulation of the data contained within it is out of bounds so do not even think about it unless you really do know what you are doing.
=== Stable ===
You can’t remove it so use it.
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