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Define Deadlock detection
If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm which examines the state of the system is invoked periodically to determine if a deadlock has occurred. If one has, then the system should attempt to recover from the deadlock.
example of embedded SQL query
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
Question 1: a) What is the difference between a non-impact and impact printer? b) Which type of printer is generally used in a supermarket to print your receipt? Describe
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
What is Cross Product? Simply Cross product is Binary Operator
Problem: A DBMS built for Online Transaction Processing (OLTP) is usually regarded as unsuitable for data warehousing. Each system is designed with a different set of requireme
brief history,definition,current trends and future trends if any of data fragmentation
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
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