Re: [SQL] Query about table and catalog

2002-12-05 Thread Christoph Haller
> I've got a table with several fields. Among others there are the fields > 'soil1', 'soil2', and 'soil3' that are char type. A row can have an empty > value in one of these fields, or the three fields can have valid values: > > cod_grass |suelo1|suelo2 | suel

[SQL] Query about table and catalog

2002-12-04 Thread javier garcia
Hi; I've got a table with several fields. Among others there are the fields 'soil1', 'soil2', and 'soil3' that are char type. A row can have an empty value in one of these fields, or the three fields can have valid values: cod_grass |suelo1|suelo2 | suelo3