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Consistency error: These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overcome these errors the database system should contain routines that check for the consistency of data entered in the database.
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Problem: You are given the following schema 1. Flights(flno, from, to, distance) 2. Aircraft(aid, flno, aname, cruisingRange) 3. Certified(eid, aid) 4. Employees(eid, ena
How can you map NULL values to other values while display? IF( ) , IFNULL( ) keywords are used to do so. They are 'LIMIT' is used for the following kinds of problems: 1) Ans
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
What are the function of DBA?
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
Give some encryption techniques? A) DES B) AES C) Public key encryption
Why older data models are being replaced by new data modelling 100 words accepted#
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