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What is a hashing function? What are the properties of a good hashing function? Describe the folding technique for hashing functions. Ans: Hashing function is a method
difference between MIS and DSS
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
what is inverted and multilist structure
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
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