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What are the advantages of creating a table from existing table?
1. A company wants a report containing a breakdown of payroll by department. Input, which should be stored in 3 parallel arrays, includes each employee's department number, hourly
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
A file manipulation command that extracts some of the records from a file is called ? A file manipulation command that extracts some of the records from a file is called SELECT
What is the disadvantage of a call by reference? During a call by reference damage or loss of data is not restricted to the subroutine, but will instantly lead to alters to th
#question benefits and limitations of data models..
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
) 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 picto
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