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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.
vertical fragmentation
The cross-section of twisted pair The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per
External failure : A failure can also result because of an external cause, such as earthquakes, fire, floods, etc. The database must be duly backed up to avoid troubles occurring d
courier company er-diagram
er diagtram for icici
cardnality ratio for humanresource mangement system
Briefly explain what is to be done during defining problem statement. To define Problem Statement of a system, define what is to be done and how you can go to implement that. Y
4. Describe three ways to handle missing field values
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
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