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State the terms Designing the database and Normalization Designing the database: Out of the ERD we have formed, it is very easy to verify the tables, the attributes which the
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What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
Java program for horrizontal fragmentation in distributed database
What is an Operand? The data on which the operation is to be performed is known as an Operand
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
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What is ODBC ? ODBC - Open DataBase Connectivity which is also denoted by ODBC enable the integration of SQL along with a common-purpose programming language. ODBC expose data
Sub query in the UPDATE command : Example : //Double the commission for employees, who have got at least 2 increments. UPDATE EMP SET COMM = COMM * 2 WHERE
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