Tag: Notes of BIM
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Asian Balkumari HDC Indreni Kanya NCC NISt Asian Define symbolic constant and comma operator ? symbolic constant is name that substitute for a sequence of character that cannot be changed. The comma operator is a binary operator that evaluates its first operand and discards the result, it then evaluates the second operand and returns this […]
Continue ReadingUnit 6: Transaction Management
Defination A transaction is the basic logical unit of execution in an information system. A transaction is an event which occurs on the database. Generally a transaction reads a value from the database or writes values to the database. State of Transaction Active :A transaction enters into an active state when the execution process begins. […]
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