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limitations and benefits in database tecknowlagy
Explain the term- Periodic recomputation Periodic recomputation: Base values are often updated in bunches. Sometimes, it is possible to just recompute all derived attributes p
how to operate database in access ?
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
Isolation or Independence : The isolation property shows that the updates of a transaction should not be visible till they are committed. Isolation assurance that the progresses of
1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa
Why a report generator is used ? Report generator is used for print files on paper.
what are the type of the database
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Consider the subsequent relations for a database which keeps track of business trips of salespersons in a sales office: SALESPERSON (SSN, Name, start_year, Dept_no) TRIP (SSN, Fr
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