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Q1) The data dictionary serves as an important data management tool by?
a. assigning attributes to the data.
b. creating an inventory of data contained in the database.
c. presenting data as end users or business specialists would perceive them.
d. maintaining data in updated form.
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Explain how much the modulating signal power is required to generate 100 percent modulation? What is the approximate center frequency of filter required to pass the lower sideband?
Difference between obsolescent and redundant stocks
Prepare the relational schema for database
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
Create tables in 3NF. As you create the database, include different codes for at least three of the fields. Use sample data to populate fields for at least three records in each table.
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
You have been asked to develop a database utilizing only the written problem description given by the client. In reviewing the description.
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
Data Modelling (database) require 8 page essay covering the following subjects: Organizational Intelligence. It must specifically talk about organizational intellignece being outcome of organization's efforts.
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
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