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I don't need check if exist stored procedure in database... your google link search for "mysql check if stored procedure exists"

I need check if exist table in database.

If table exists the return of value titem it's 1 else it's 0.

Well, you can still take the time to do a Google search or read the MySQL docs.

https://dev.mysql.com/doc/refman/5.7/en/sys-table-exists.html