entity relationship, Database Management System

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how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?

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By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which

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What is the full form of ODBC ? ODBC stands for Open Database Connectivity.

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In how many parts events are classified Events are classified as four types in UML 1.  Signals 2.  Calls 3.  Passing of Time 4.  Change in State

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What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.

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How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra

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