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Question - Describe in your own words and illustrate with tables how relationships are represented in a relational database?
Give answer in detail with examples: no word limit.
Give a primary key for each relation. Are there any relations for which there is an alternate candidate key which you have not chosen as the primary key? Why or why not?
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
Instructions- This assignment builds on your first two assignments using Access and asks you to consider the process of designing, implementing, and converting data.
ISYS 224 Database Systems - Relational Database Design & Implementation
The Relational Data Model (RDM) which corresponds to the ERD in the format shown below. The RDMMUSTidentify all primary keys, alternate keys and foreign key constraints. Raw SQL Create Table script dumps from a modeling tool, or SQL Server WILL NO..
Compute the customer margin for the Whiddon family. Round off all calculations to the nearest whole cent.
First construct a Data Warehouse Bus Matrix to identify the company's business processes and any likely Data Marts and design the star schema for any Data Marts you have identified.
Evaluate whether the use of a distributed DBMS structure is appropriate and identify the optimization techniques that should be factored in to enhance the operations of the database in your design.
In physical database design, referential integrity constraints can be defined. What actions does referential integrity constraint prevent from happening when data is inserted in table which contains this constraint?
complete the following steps to create a procedure to calculate the tax on an order. the bbtax table contains the
Consider relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Calculate canonical cover for set of functional dependencies (show each step of your derivation with an explanation).
Develop a scope statement for the project and describe product characteristics and deliverables.
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