Management and Design of Database Systems

Oct 14th, 2015
Sigchi4life
Category:
Computer Science
Price: $20 USD

Question description

Q1. Define and explain Views and their use in the SQL environment?  Explain how the use of a view can provide data security and integrity.  Explain any drawbacks to using views in a database environment.

Submission Requirements

  • Format: Microsoft Word
  • Citation Style: APA
  • Length: 3–4 pages (plus a cover sheet)


Q2. Research and provide three to four paragraphs covering the following:

What is a subquery, and what are its basic characteristics?  What (if any) differences are there between the construction of a subquery in MS Access, MS SQL Server or Oracle?  What is a correlated subquery? What (if any) differences are there between the construction of a subquery in MS Access, MS SQL Server or Oracle?  Give an example of each type.

Be sure to cite your references.


Tutor Answer

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