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1. Define each of the following IN YOUR OWN WORDS:
(a) File:
(b) Record:
(c) Field:
(d) Primary Key:
(e) Secondary Key:
2. A travel agency wants to track the prices of its various packages. Package pricing differs by season (high and low). The input record should include package code, package description, vendor number, low season cost, low season dates (beginning and ending), high season cost, high season dates (beginning and ending), package markup percentage. Design the input record.
Field
No.
Item
Description
Field Name
Length
Data
Type
# of
Decimal
Places
Comments
Architectural standard: Designation : Architect , Consultant Job Profile : As a part of Oracle Fusion Middleware at Satyam, I am involved with Presales, Delivery, A
Project Description: Hi I'm seeking someone to make my dBase application work. I know it's not a 'modern' language but it's what I know. I have written an order program and I ne
You group has been hired by TrainingrUs.com to keeps track of training revenues. TrainingrUS.com wants you to keep scheduling. COURSE table contains following information:
(a) Why did SAP introduce the extended star schema?
How to draw an ER diagram to a finance companz
Explain the Attribute inheritance Ans: Throughout the rendering of the objects in a view, attribute sets of objects higher in the view hierarchy are inherited via objects below
examples of fields in a database
Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t
Explain the Cartesian product: The Cartesian product operation does not need relations to union-compatible. The meaning of this is that the involved relations may have dissim
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
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