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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
List the internal controls that should be in effect solely because a EDP system is employed, classifing them as (1) Those controls pertaining to input of information and (2) All ot
What is Structured Query Langauge (SQL)? SQL is a powerful set-oriented language which was formed by IBM research for the databases that adhere to the relational model. It havi
#ques Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a p
What are the benefits of document scanning? Document scanning, in addition to being cost-efficient, also enhances productivity. This service enhances security as you set the pa
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
Explain the term- Data Flows Data Flows: A data flow connects output of an object or process to input of another process or object. It represents an in-between data value wit
what is primary key
What is a disjoint less constraint? Ans: It needs that an entity belongs to no much more than one level entity set. Disjoint less constraint needs that an entity belongs to
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. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
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