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Question: 1. When implementing a 1:1 relationship, where should you place the foreign key if one side is mandatory and one side is optional? Should the foreign key be mandatory or optional?
2. What is time-variant data, and how would you deal with such data from a database design point of view?
3. What is the most common design trap, and how does it occur?
List the top 10 customers that placed the most orders (total quantity of orders, not $)?List the top 10 customers by order value ($).
Understand the challenges and evaluate the risks in managing the security of an information system Critically analyse using a threat and risk assessment.
To design a database, a database planner should spend a considerable amount of time thinking about what kind of information will be included in the database and how it will be organized. There are several approaches to creating a successful datab
To create a collection called "msgs" under dbs named "IASP565DB". You need to create a schema that can accommodate the following information. As you know, when you in the chat mood, you are constantly send out a new message, reply to a message
List all the business rules for the database for Kangaroo Inn. An example of a business rule is: "An invoice is generated by only one customer".
We keep inserting 82 and 89 into the hash table. Draw the table to refl the new values. Be sure to indicate the number of bits used during hashing.
a UML class diagram to describe the ordering system class
Delete a contact by having the user enter the name
imagine that you have been hired as the database administrator for a local department store. the department store has
Case Needs Analysis: Determine the data requirements of Birchwood Lane Schools. What data from the scenario is needed for the database and why
Write a paper describing Project management lifecycle and Systems Delivery lifecycle.Your paper must contain two well-formed paragraphs (a topic sentence supported by three to four additional sentences).
Design the logical structure of a database using Entity-Relationship diagram - Apply normalization techniques to reduce redundancy in a database
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