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what are information system hirarchy?
Question: a) There are three concurrency problems, i.e. three types of potential mistake which could occur if concurrency control is not properly enforced in the database syst
Explain three main attributes of data.
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
The Concurrent Transactions Almost every commercial DBMS support multi-user environment. Therefore, allowing multiple transactions to proceed concurrently. The DBMS must make
What are the function of DBA?
Q. What is relational algebra and calculus? Explain the relational algebra operators :- Selection and predicate, set operation, joins and division. Sol. Relational Algebra
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
DISADVANTAGES OF RDBMS
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
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