How many rows are returned by this...
[font="Courier New"]SELECT DISTINCT
b.BRL_ID, b.OFF_ID, b.MRL_ID, b.PAR_ID_FIRMA, b.PAR_ID_TYPE, b.PAR_ID_DISC, b.BRL_REGDATUM, b.BRL_BEGDATUM, b.BRL_ENDDATUM,
b.BRL_REMOVED, b.BRL_REMOVED_LISA, b.BRL_BASISNR, b.ADR_ID_KLANT, b.ARG_ID, b.ART_ID, b.ADR_ID_LAADNR, b.ADR_ID_LOSNR,
b.PAR_ID_EENHEID, b.PAR_ID_MUNT, b.PLS_ID_LADEN, b.PLS_ID_LOSSEN, b.BRL_FACTLIJST, b.BRL_OPM_FACTLIJST, b.BRL_OPM_FACTUUR,
b.BRL_OPM_NED_LAAPLAATS, b.BRL_OPM_FRA_LAADPLAATS, b.BRL_OPM_NED_LOSPLAATS, b.BRL_OPM_FRA_LOSPLAATS,
b.BRL_OPL_EIGENDOM
FROM dbo.BASISREL AS b
INNER JOIN dbo.DEELREL AS d ON b.BRL_ID = d.BRL_ID
WHERE d.DLR_REMOVED = 0 [/font]
...with and without the DISTINCT?
For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden