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write a database program for concurrency transaction in a bank
what is the need of a log in dbms
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check
You are required to implement integrity constraints within the database to enforce the following requirements: For Projects: Start date must be supplied. Start date cannot be i
What is self-transition? If there is a transition which goes back to same state, it is known as "self- transition." With a trigger action exit action would be executed f
Explain the EXISTS and UNIQUE functions of SQL. Give an example for each? EXISTS: The EXISTS function takes one parameter that is a SQL statement. If any records exist which
Define Deadlock avoidance These protocols as well ensure that the system will never enter a deadlock state although the way it is done is different from deadlock prevention. I
explain various steps uses in evaluation and maintenance of MIS.
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
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