>Let me get this straiight.
>
>I open a bunch of tables at the start of my app. These are supposed to be available throughout the app.
>
>I then run a form with a PDS which opens up another bunch of tables.
>
>Are the tables I opened at the start of the app still available to me from within the PDS? Or do I have to open them explicitly again within the PDS?
>
>Harry

Not exactly. Each private data session must open its own tables explicitly. From its vantage point, it doesn't know that the tables are open somewhere else in the app. However, in the guts of VFP, it knows, so it's able to do a USE AGAIN type of thing, so it is faster than the original USE.