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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
(a) Differentiate between information and data . (b) List and briefly explain five potential benefits of the database approach compared to conventional file systems. (c) Diff
Redo Logs: Any database must have minimum two redo logs. These are the rules for the database; the redo logs record all modifies to the system objects or user objects. If any type
Question (a) Concurrent access to data from a database is a normal part of application program usage. Describe three approaches to concurrency control (b) Distinguish among
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
What are views? Explain how views are different from tables? A view in SQL terminology is a one table in which is derived from other tables. These other tables could be base t
What is Secondary Index While making the index, generally the index table is kept in the primary memory (RAM) and the main table, because of its size is keeps in the secondary
Assignment #1 Data Management The questions on this exam are based on the Baxter Aviation case scenario. 1. (5 points) The systems analyst proposes the following two relationshi
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
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