PDF-OntheLogicofSQLNullsEnricoFranconiandSergioTessarisFreeUniversityofBoz
1
2
a
b
b
N
SELECTFROMRWHERER1R1ANDR2R212ab1rowFigure1InSQLthequeryabovereturnsthetableRifandonlyifthetableRdoesnothaveanynullvalueotherwiseitreturnsjustthetuplesnotcontainingan
Download Presentation
"OntheLogicofSQLNullsEnricoFranconiandSergioTessarisFreeUnive " is the property of its rightful owner. Permission is granted to download and print materials on this website for personal, non-commercial use only, provided you retain all copyright notices. By downloading content from our website, you accept the terms of this agreement.
Presentation Transcript
Transcript not available.