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Drawbacks of Database systems ?
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
what is binary relationship
You are required to write a report which evaluates two of the following issues in relation to your case study database: a. Security issues b. Performance issues c. Backup
Explain in details about the f unctions of DBA ?
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Heap files (unordered file) Mostly these files are unordered files. It is the easiest and most basic type. These files having of randomly ordered records. The records will have
Winfield is a small city with a population of 22,000 with buses serves three routes in Winfield and neighboring areas. As the city’s IT director, you have been asked to set up an i
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
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