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Question:
A DBMS built for Online Transaction Processing (OLTP) is generally regarded as unsuitable for data warehousing. Each system is designed with a different set of requirements.
(i) Give example of how OLTP systems differ from data warehousing systems.
(ii) Illustrtae any problems that are associated with developing and managing a data warehouse.
(iii) Explain what is meant by Metadata and what are the purposes of a Metadata in data warehouse architecture.
(iv) Show how data marts differ from data warehouses and identify any two reasons for implementing a data mart.
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
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What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
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Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
What is deadlock? How can it be avoided? How can it be resolved once it occurs? Deadlock happens when two transactions are each waiting on a resource that the other transaction
You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt trac
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What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
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