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OBJECTIVES After going through this unit you should be capable to: Explain the File Based system and its limitations; Explain the structure of DBMS; Explain the
Describe in brief about DBMS ?
Differentiate between B-tree and B + tree Ans: A B-tree (or Balanced Tree) is a search tree along with additional constraints that makes sure that the tree is all the time
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them. b. Outline an algorithm that detects whether there is a deadlock.
What is Index? An index is a physical structure having pointers to the data. Indices are created in an existing table to locate rows more quickly and efficiently. It is possibl
Define physical image of a global relation at a site
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
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