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Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
Explain Domain calculus Domain calculus is one of the types of the relational calculus. The formal specification of the domain calculus was planned after the development of the
Analyzing Association Traversal Association Traversal shall be understood properly for the association design explanation. Analyzing association traversal means analyzing tra
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
In a relation, tuples are not inserted in any definite order. Ordering of tuples is not defined as a part of a relation definition. Though, records may be structured later accordin
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
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