Schema cache Files

Assuming you mean Schema Cache, this creates a local copy of the DB schema. Each time a client starts, it must have a copy of the DB schema before it can execute any procedures. This is normally down loaded from the db, over the network. Creating the local cache on a
client should reduce network traffic, and speed the start up of a client. You will get an error message if the db schema changes, and the cache is not updated, but the client reverts to normal mode and gets its copy from the DB.

So the down side is a little extra maintenance if the schema changes (from a patch, or when you do an upgrade). Upside is potential reduced network traffic, and faster client start-up.


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