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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
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
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What is data model? Explain object based and record based data models? Ans: A data model is an abstract model in which describes how data is represented and accessed. (i)
Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data
Define data conversion? Helpful to load data into temporary staging tables. Then can write SQL code to do much of data processing. SQL code is simpler and faster to write than
what is the relationship between receipt and owner entities in computer sales and service company
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