Chapter 6, Problem 6.8RQ

Program Plan Intro

Transaction:

A transaction is a small set of changes which must be made to the database. The transaction done to the database may or may not affect the changes to the content of the database. The execution takes place as a single unit. It includes one or more access operations.

• Read:
  • Used to retrieve information form database
• Write:
  • Used to insert or update the information or data from the database