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Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Difficult select on non-normalized table
I need help getting information out of a table that is not normalized. I think what I need is a nested select statement but it’s not coming together.
What I have is a table with four fields: name, box, media, title.
Name..Box..Media..Title
Jane...1....CD.....A
Jane...1....CD.....B
Jane...2....CD.....C
Jane...3....TAPE...A
Joe....1....CD.....A
Joe....2....CD.....B
Joe....3....TAPE...A
Joe....3....TAPE...B
Joe....4....TAPE...C
Joe....4....DISK...A
What I need to know is how many boxes of each media per individual.
A bonus, which I don’t think is possible, would to some how identify those boxes which have split content. For example: Joe has one box (box 4) that contains both tape and disk.
Jane
2....CD
1....Tape
Joe
2...CD
2...TAPE
1...Disk
Any help would be appreciated.
TIA
Peter
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