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In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
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An ideal data dictionary should have everything a DBA wants to know about the database. 1 Conceptual, External, and internal database descriptions. 2. Descriptions of attr
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Describe the objective of Structural Diagrams The main objective of structural diagram is to visualize, construct, specify and document static aspects of a system. Their eleme
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
What will be create when a primary key if combined with a foreign key? A primary key if combined with a foreign key it creates Parent-Child relationship between the tables that
Control as a State Machine Engine First let us define the state machine: "the state machine is a machine which is an object but not an application object. It is a part of lang
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