ER diagram , Database Management System

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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

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Concatenation operator Example : Printing name and job as one string as column name employees: SELECT ENAME||JOB "EMPLOYEES" FROM EMP;

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What is meant by Physical blocks? The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.

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With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..

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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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