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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
#questiontypes of keys examples..
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
Control as a State Machine Engine First let us define the state machine: "the state machine is a machine which is an object but not an application object. It is a part of lang
What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
Explain Strict Two-Phase locking A transaction T does not release any type of its exclusive (X) locks until that transaction commits or aborts. In this method no other transact
What is a Phantom Deadlock? In distributed deadlock detection, the delay in propagating local information might cause the deadlock detection algorithms to recognize deadlocks
in case of functional dependencies how we get the higher normal form.
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
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