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What Is Recovery? During the life of a transaction, i.e., a after the start of a transaction but before the transaction commits, various changes may be made in a database state
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Define various ways in which SELECT statement can be used for record selection Technology? SELECT gives you control over a number of aspects for record retrieval: 1) Which
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4 would require reconstruction of at least two ho
a set of possible data value of an attribute is called??
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
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