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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
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Niles Video Inc. wants to create a website for online sales of movies (DVD and videotapes). People will be allowed to register as customers on the website and to update their store
What is Information System?
Describe the storage structure of indexed sequential files and their access method. Ans: Storage structure of Indexed Sequential files and their access: To achieve fast rand
Server Control It is usual to control access to the data via the front end application, for example by displaying data as ‘read only'. This part of the assignment illustrates ho
domain
Differance between procedural and non procedural DML? Procedural and non procedural DML Procedural DML exactly what data is require and how to obtain those data. Non procedural
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
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