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Driver for IBI FOCUS

Driver for IBI FOCUS

(OP)
I was given the task to select information from a FOCUS database but do not have the FOCUS program.  Is there a driver that allows one to use SQL statements to read the data?  The company no longer has the FOCUS program but apparently created a backup of the FOCUS databases and Masters before they changed systems.
Thanks.  

RE: Driver for IBI FOCUS

I think you are SOL. Focus is not an SQL based application, and there is no third party product that I know of which reads Focus databases. Too bad your company dropped it. It is a very powerful language.

RE: Driver for IBI FOCUS

That's incredible - someone would be so stupid to back something up in a format they can't read.

Focus is stored in a relatively simple page format (try 4 or 8k page size). The first page (or perhaps the first half) is catalogue information and the heads of the data lists. Then each page (as I remember) will be all of one entity type. The data is just held as a sequence of data in your native OS format, with addresses and pointers to the next item in the list. If you look at file with a hex editor you should be able to see the pattern. The master is just a text file so that will give you the pattern the data will be in - as I said, assume each page (after the first) has only one entity type on it. You'll need to work out which data field marks a record as deleted, although if the data was re-orged prior to being backed-up, there will be no deleted items. Then you need a bit of simple programming to pull the data out into external format. Stick it into Access and you're away.

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