Schema, Database Management System

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difference between internal schema and external schema in DBMS

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In Database software have only pure security or some dis secured by administrator?

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What is difference among mysql_connect and mysql_pconnect? Mysql_connect() opens a new connection to the database while mysql_pconnect() opens persistent connection to the data

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State the process of Rearranging Classes and Operations The various, yet similar operation of different classes can be slightly modified thus that they can be covered by a sin

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Fifth Normal Form (5NF) These relations still have a difficulty. While defining the 4NF we mentioned that all the attributes depend upon each other. Whereas creating the two ta

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Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.

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1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict

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What do you mean by atomicity and aggregation? Atomicity : Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete trans

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ERD, A student entity type has the following attributes,name..

A student entity type has the following attributes,name..

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