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Give the general form of SQL query?
Select A1, A2............., An
From R1, R2..............., Rm
Where P
What is OLAP? OnLine Analytical Processing (OLAP) is a Business Intelligence (BI) reporting system. OLAP gives the user with the capability to sum, count, average and do other
Explain the concepts of relational data model? Relational Data Model - The relational model was first introduced through Prof. E.F. Codd of the IBM Research in the year 1970
What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
explain at least five widly used case tools
Why is need for the multiple access paths?
This project requires you to perform a systems analysis and then design a system solution using database software. Ace Auto Dealers specializes in selling new vehicles from Subaru.
A set of possible data values is called? A set of possible data values is called as domain.
The Conceptual Level or Global level The conceptual level presents a logical view of the complete database as a unified whole. It permits the user to bring all the data in th
what is er digram given that example of hospital,bank and library er digram.
Explain the Strategy of Database Planning ?
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