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Explain Derived and Non-Derived Attribute?
In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person entity, the value of Age can be determined from the current date and the value of that person's BirthDate. Therefore, the attribute Age is known as derived attribute and the attribute BirthDate is known as non-derived or stored attribute.
why data in an RDMS need to be normalised
What should be declared explicitly in the corresponding ABAP/4 Statements to access internal tables without header lines & why? Work Area. This is needed as the Work Area is
What is a B+-Tree index? A B+-Tree index takes the form of a balanced tree in which each path from the root of the root of the root of the tree to a leaf of the tree is of the
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Company XYZ is an advertising company. It has its own website but the search facilities offered are not reliable. The company is willing to invest to acquire new machines and sof
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
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please give me introduction to full data in D B M S in a short assignment
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Soccer player ER Diagram to Relational database schema
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