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Explain the utilities which help the DBA to manage the database?
Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion within the field as to what, exactly, is a database utility. There are a many of definitions floating around out there. DBAs constantly refer to utilities, tools, solutions, and suites.
So, first of all, let's be clear on what a utility is and what is a "tool" or "solution." A utility is generally a single reason program for moving and/or verifying database pages; examples involves LOAD, CHECK, REORG, UNLOAD, COPY, and RECOVER. A database tool is a multi-functioned program designed to simplify database monitoring, management, and/or administrative tasks. A solution is a synergistic group of tools and utilities designed to work together to address a customer's business issue. A suite is a group of tools which are sold together, but are not necessarily integrated to work along with each other in any way. Of course, these are only my definitions. But there are meaningful definitions which creates it easier to discuss DBA products and programs
Why a report generator is used ? Report generator is used for print files on paper.
Have a look around the site, and at some of the sites they have featured. These are all examples of bad design, and also offer an explanation about why they fall into this category
If one requires to access data using Logical Database , the use of events is unavoidable. Yes, if someone wants to access data using Logical database then the use of events
Explain outer join? Outer Join - If there are any values in one table which do not have corresponding value(s) in the other, in an equi-join which will not be chosen. Such ro
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
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