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what is primary key
under what condition log based recovery is feasible?
What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
WHAT IS DBMS
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When every condition appears with equality condition (=) only. c) Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha
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