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Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Define single valued and multivalued attributes. Single valued attributes: attributes with a single value for a particular entity are known as single valued attributes. M
what is cascading rollback
what is un ordered and ordered file managment?
why shadow copy technique is used?
Describe the shadow paging technique.
Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
Q. With the help of a suitable diagram gives module wise explanation of system architecture of DBMS. Sol. A Database management is a collection of interrelated data and col
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
Compare the Nested-loop join and block-nested loop join Ans: Nested loop join - It is costly as worst case cost, no. of block accesses needed is n r * b s + b r where b
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