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I need help for my Uni assignments
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
explain in detail about crash recovery
What is Information System?
multidimensional data model
Define an abstraction by which relationships are treated as higher level entities Ans: Aggregation. It is an abstraction by which relationships are treated as higher level
Define Join and Outer Join and differentiate between them. Ans: Join - It generates all the combinations of tuples from two relations which satisfy a join condition. Oute
1. A company wants a report containing a breakdown of payroll by department. Input, which should be stored in 3 parallel arrays, includes each employee's department number, hourly
Process to find the non-concurrent objects Once we find out non-concurrent (mutually exclusive) objects, we can fold all objects together in one thread of process or control. O
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