What is a transaction ?

Transaction is logical unit between two commits and commit and rollback.
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j lehew

  • Aug 25th, 2005
 

A transaction either commits (i.e. all its actions happen), or it aborts (i.e. all its actions are undone). This all-or-nothing quality makes for a simple programming model.  
 
Transactions also meets the ACID test: Atomic, Consistent, Isolation, and Durable

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Vaibhavi

  • Dec 21st, 2005
 

A  Transaction  is  a  logical  unit of 
work that comprises one or more SQL statements 
executed by a single user.

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