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The data of a view is not physically stored, but derived from one or more tables.
True the data of a view is not physically stored
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
What are the three data anomalies that are likely to occur as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not? A
Problem 1. Write the SQL queries using Data Manipulation Language (DML) statements. Insert values into student table with field names using insert command Display the
An important first step to the statistical analysis of data is to "get to know your data". The following tasks should contribute to this. (a) To the right of the dataset cons
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What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
Examine about the Behavioural Diagrams The main objective of behavioural diagrams is to visualize, specify, construct and document dynamic aspects of a system. The interactio
We require an advanced system for a Sports Centre, you are concerned only with representing the data discussed below about bookings and members. (The complete system may contain ot
Discuss deferred update technique of recovery. What are the advantages? Ans: The deferred update methods do not physically update the database on disk till after a transact
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