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Define Deadlock recovery measures
To recover from deadlock, the cycle in the wait-for-graph should be broken. The common technique of doing this is to rollback one or more than one transactions in the cycles until the system shows no further deadlock situation. The choice of the transaction to be rolled back is relies on the following deadlock recovery measures:
explain ANSI SPARC architecture
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
Advantages and disadvantages of icloud based storage
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
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How can i turn a conceptual entity relationship diagram into a logical entity relationship diagram? what do i have to do with "mandetory or" and "optional or" relationships?
Question 1 Indexes are ocasionally defines on a single field of a file called an indexing field. List and describe the different types of indexes Question 2 Consider a book i
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
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