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What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived from one or more tables.
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
give some example real-life situations where DBMS are most suiitabe
I am doing research in this area, especially in sime join and join efficacy when several relations have been queried. Relations located in different sites. I need something like n
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and a
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
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