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Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
to develop elrctronic database from manual forms
Write a short note on oracle Instance? Oracle Instances: An instance is the (executed) Oracle software and the memory they use. It is the instance which manipulates the data s
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
Removing a Synonym: DROP SYNONYM D30;
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What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
how design database from begining
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
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