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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Preliminary entities and attributes of human resourse management database management system
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
Describe five main functions of a database administrator. Ans: A database administrator (DBA) is a person who is accountable for the environmental aspects of a database. Genera
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
What exactly is the concept of Functional Dependencies? And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc? Given Relation R(A,B,C,D,E) with de
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
what are the limitations of dbms?
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
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