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>>>> [log in to unmask] 1-12-04 12:21:29 >>> >> Date: Tue, 30 Nov 2004 23:18:54 +0000 >> From: Dr Robert Sanderson <[log in to unmask]> >> >> >> I foresee a situation in which we use a micture of record schemas in >> >> a single database. Some records have both a brief and full >> >> specific full record schema. These schemas can't be specified in >> >> explain >> > >> > Why not? >> >> You can't specify record schemas per record in explain, but you can of >> course specify the record schemas themselves there, even if they're not >> applicable to all records. > >Gotcha. > >> If you want to specify which recordSchemas can be used to with a specific >> record, then you would indeed need to have an extraRecordData section. > >... but in order to get the extraRecordData, you need to retrieve the >record, and to do that you need to get it in some specific format ... > Yes, therefor brief records will always be Dublin Core, but the full records may be bibliographic records, Zthes records, EAC records, EAD records etc. Theo