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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 general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Data Base Management System 1. Draw the Architecture of MySQL and explain about its subsystems briefly. 2. Elaborate with the help of an example the concept of Primary key a
database help
Nested Queries Let us see some more complex queries in this section. Sub-queries: Some of the basic concerns of sub-queries are: A sub-query is a SELECT statemen
a project based on normalization with first, second and third normalization. There need to be a diagram also
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
You are required to implement integrity constraints within the database to enforce the following requirements: For Projects: Start date must be supplied. Start date cannot be i
What is SQL Profiler? SQL Profiler is a graphical tool that permits system administrators to monitor events in an instance of Microsoft SQL Server. You can capture and save dat
A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded where poss
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
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