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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
Enumerate or state the steps in creating a relevant database of a shop.
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
This constraint shows that the key attribute value in each tuple must be unique, i.e., no two tuples have the similar value for the key attribute. This is because the value of the
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Database Recovery And Security Introduction In this part we will introduce two main issues relating to database management systems. A computer system suffers from dissi
Question : (a) Explain with the help of appropriate examples the difference between ‘Data' and ‘Information'. (b) A digital image is an array of pixels, where each pixel h
what factors might influence a company to outsource its IT infrascture.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
a project based on normalization with first, second and third normalization. There need to be a diagram also
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