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Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Explanation on Data Sharing?
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
The technique of converting the state diagram to code a) Identify all major control paths. Start from initial state; choose a path across the diagram that corresponds to normal
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
Describes the several relationship constraints through giving suitable example? Constraints on relationships: There are two kinds of constraints on relationships. 1) Mapping
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
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