Why do normalized tables need more complex SQL
Why do normalized tables need more complex SQL when SQL statements are employed in application programs?
Expert
Tables which are normalized contain data which has been distributed among the tables; however which might need to be recombined to answer queries from an application. To reunite the data, the programmer will have to employ sub queries and or unites. Such SQL structures are more complex to write than a simple SELECT statement.
Define the explaining plan and how is this used?
What is meant by the Data Mining?
partial specialization and total specialization rules in enhanced erd.......
Briefly define and describe the term data constraints?
Provide a brief introduction on the term Star Schema?
Explain the procedure through which an end-user can share user objects with other users?
Explain the package folders?
To implement the priority queue what is the minimum number of queues we need?
Briefly describe the new features of SQL Server 2005 Analysis Services (or SSAS)?
Illustrate the term data mart. What do you mean by it?
18,76,764
1944615 Asked
3,689
Active Tutors
1429672
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!