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Question
(a) Concurrent access to data from a database is a normal part of application program usage. Describe three approaches to concurrency control
(b) Distinguish among a DataReader class and a DataSet class
(c) Write an ASP.NET program that retrieves a count of the records in the tblVideo database table and displays the result in a Label control as follows
There are x records in tblVideo database tabl
where x is the number of records
Filename for the local database: VideoClub.mdf
Note: Programmatic codes required here
What are the two types of errors? The two types of errors are: a) Logical error b) System error
how to operate database in access ?
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
explain in detail about crash recovery
Question: i) Explain the terms data warehousing and data mining. ii) Discuss the importance of the following security principles that a digital firm should amongst others, n
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep
When are two schedules said to be view equivalent? Ans: Two schedules that is denoted as S and S' are said to be view equivalent if the subsequent three conditions are met
How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp
What are the two types of blocks in the fixed -length representation? Define them. Anchor block: Have the first record of a chain. Overflow block: Have the records other tha
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