What is Relational Algebra
What is Relational Algebra?
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Relational Algebra:
This is procedural query language. This contains a set of operations which take one or two relations like input and generate a new relation.
Explain the Joiner transformation?
Specify the types of prompt in the Cognos?
Explain the term precision in Data Structures? Answer: Precision considers as to the accuracy of the decimal portion of a value. It is the number of digits permitted
What are the causes of Monopoly? Explain in brief.
What does it mean when we say that a relation is in Boyce-Codd Normal Form (BCNF)?
What are the disadvantages in File Processing System?
explain binary relationship set and terenary relationship set
Illustrates the term Merge Sort?
Another company used statistic in reports is the total number of orders placed by a shopper. Complete the following steps to create a function named NUM_PURCH_SF that accepts a shopper id and returns the total number of orders the shopper has placed. Use the function in a SELECT statement to display
Describe briefly the difference between pessimistic locking and optimistic locking?
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