WHat does information_schema database means in databse

Posted by Mirage on Stack Overflow See other posts from Stack Overflow or by Mirage
Published on 2010-06-16T01:49:53Z Indexed on 2010/06/16 1:52 UTC
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information-schema

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mysql5

I have one dtabase in mysql.

But when i log into phpmyadmin , it shows another database called information_schema.

Is that databse always present with one database.

I mean to say there is copy of information_schema for evry database present in mysql or in one mysql there is one table called inforemation_schema.

If i do something wronmg with table , how will that affect my current database

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