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New Perspectives on Microsoft Access 2013 1st Edition by Joseph Adamski,Kathy Finnegan,Sharon Scollard
النسخة 1الرقم المعياري الدولي: 978-1285099200New Perspectives on Microsoft Access 2013 1st Edition by Joseph Adamski,Kathy Finnegan,Sharon Scollard
النسخة 1الرقم المعياري الدولي: 978-1285099200 تمرين 14
Figure A-24 shows the Employee, Position, and Employment tables with primary keys EmployeeNum, PositionID, and both EmployeeNum and PositionID, respectively. Which two integrity constraints do these tables violate and why
Figure: Integrity constraint violations
Figure: Integrity constraint violations
التوضيح
موثّق
موثّق
Following are the two integrity constrai...
New Perspectives on Microsoft Access 2013 1st Edition by Joseph Adamski,Kathy Finnegan,Sharon Scollard
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