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Define DBA database administrator?
DBA: A database administrator (DBA) is a person who is responsible for the environmental aspects of a database. In common, these involves:
Recoverability - Creating and testing Backups Integrity - Verifying or helping to verify data integrity Security - Defining and/or implementing access controls to the data Availability - Ensuring maximum uptime Performance - Ensuring maximum performance Development and testing support - Helping programmers and engineers to economically utilize the database
Give the Introduction of OBJECT DESIGN Strategies which are selected during system design are carried out in object-oriented design. In this procedure, objects which are identi
1. Identify the comparisons and exchanges made to sort the following array using the selection exchange sort technique. Note: you may not need all columns. Ori
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
coventions for displaying an ER schema as ER diagram
(a) Why did SAP introduce the extended star schema?
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
Differance between Open addressing and chaining for collision resolution ? In open addressing , proceeding from the occupied position specified by hash address the program che
ERD Diagram of Medical Recruitment Agency?
Discuss how the bi-directional Implementations are made. In bi-directional implementation of the association, a pair of references must implement every link. The declarations a
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