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Different stages of DDLC ?
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
how map binary relation one to one
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
Un-Normalized Form (UNF) If a table having non-atomic values at every row, it is said to be in UNF. An atomic value is something that cannot be further decomposed. A non-atomic
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
joins
Operator Precedence The basic operators used in SQL are * / - + Operators of the similar priority are evaluated From Left to right Parentheses are used to force priorit
What are the Objectives of Advance object design After this unit, you shall be able to: combine three OOAD models to obtain operations on the classes; develop algo
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