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List the table modification commands in SQL?
A) Deletion
B) Updates
C) Insertion
D) Update of a view
Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
Lossless-Join Decomposition Let us show an intuitive decomposition of a relation. We require a better basis for deciding decompositions since intuition may not always be r
Hardware failure : Hardware failures are the failures when some disk or hardware chip fails. This may result in loss of data. One such trouble can be that a disk gets damaged and
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
Company Database: a-)Here is the ER Model b-)Here is the Relational Model: IMPORTANT NOTICE FOR SOLUTION TYPE: ***THIS ASSIGNMENT WILL BE SOLVED BY THE
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Primary Index In primary index, there is a one-to-one relationship among the entries in the index table and the records in the major table. Primary index can be of two types:
What is an ER diagram? Why is it used in Database management system (DBMS)?
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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