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a) Distinguish between ‘database' and ‘Database Management Systems (DBMS)'.
b) List and briefly describe five potential benefits of the database approach compared to conventional file systems.
c) In MS Access what is a ‘Form? What are the two reasons for using a ‘Form'? State three purposes where you can use a ‘Form'.
d) Describe briefly the three parts of the Relational Model.
What is data model? Explain object based and record based data models? Ans: A data model is an abstract model in which describes how data is represented and accessed. (i)
Define Aggregate functions and what aggregate functions supported by the MySQL To calculate a summary value from a set of individual values and uses one of the functions known
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
This report identifies and outlines my CIS 499 project named Traffic Data Management Systems (TDMS) . My goal is to design a replica of all traffic issues to be implemented i
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
What are deadlocks? How can they be avoided? Ans: Deadlock considers to a particular condition when two or more processes are every waiting for another to release a resource,
Define the Third Normal Form: The third normal form (3NF) is a normal form employed in database normalization. 3NF was initially defined by E.F. Codd in 1971. Codd's definitio
brief history,definition,current trends and future trends if any of data fragmentation
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