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What is MySQL?
MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes adding, accessing, processing data in a database.
Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
What is a transaction ? The Transaction is a unit of data processing. For instance, many of the transactions at a bank may be withdrawal or deposit of money; transfer of money f
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
What is an Operand? The data on which the operation is to be performed is known as an Operand
Explain the challenges before an E-business management.
Distributed Database Management System
What are the advantages of relational data model? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are the Overlapping elements Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them
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