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Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
Whst is logical schema ? Logical schema is the entire database.
Define entity integrity and referential integrity. How does SQL allow specification of these? Ans: Entity Integrity Rule- If the attribute A of relation R is a prime attribut
projects?
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
Describe the four main ways of optimising disk block access. Ans: a. Disk b. Non-volatile writes buffers c. File organization (Clustering) d. Log-based file system
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
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