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What is object identity?
An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
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
What are the various symbols used to draw an E-R diagram (any 3)?
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
Describe the responsibilities of the DBA and the database designer ? The responsibilities of DBA and database designer are: 1. Planning for the database's future storage needs
Compute the closure (F+) for the following set of the functional dependencies defined on R(a,b,c,d), where F - {c→ a, ab → d, a → b, d → c}, i.e. what are all of the FDs implied b
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
definition and its work
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
what do you mean by primary key constraint?
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
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