Datawarehouse Case studies, Database Management System

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I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each

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Discuss the concept of data independence, Question: a) Discuss the conc...

Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t

What subschema expresses, What subschema expresses ? A subschema expres...

What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)

Referential integrity constraint - relational constraints, It defines that ...

It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia

Relationship for college database, Using the concepts defined previous, we ...

Using the concepts defined previous, we have identified that strong entities in COLLEGE database are FACULTY, STUDENT, COURSE and DEPARTMENT. This database also has one weak entity

Hierarchical model is also known by, Hierarchical model is also known by? ...

Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.

Cube building in dataware housing , 1) Define a job scheduling strategy tha...

1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict

BOGUS VS GENUINE EMPOWERMENT, what is bogus empowerment. And what is genuin...

what is bogus empowerment. And what is genuine empowerment

Method of analyzing association traversal, Analyzing Association Traversal ...

Analyzing Association Traversal Till now, we have supposed that associations are bi-directional. But in the case of traversal, it is in only one direction in any application,

Which element in the database can modified by changing, Which element in th...

Which element in the database can modified by changing the data dictionary? Data elements in the database can be changed or modified through changing the data dictionary.

Durability-transaction , Durability : This property necessitates that once ...

Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas

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