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Databases can enforce business rules on permissible values by implementing declarative constraints in the database. These include NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints. Are these constraints that we are talking about easy to implement in an Access Database?
What is meant by cardinality of a relationship? Your answer requires to be thorough and specific. Be sure to include the two types of cardinality
Practice on topic of Normalization
Describe the database and describe the four characteristics of the database? Explain the Relational Database and generate a relational database for five employees.
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
List the names of agents that placed an order for customer C003 or customer C006. List all pair of products names that are in the same city, along with their city name.
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Consider system which produces budget reports for department at university. For whichever system you select, answer the following design questions. Who will use output?
Name four attributes that you can use to define a data flow in the bus information system. Name four attributes that you can use to define a data store in the bus information system.
Write a program to solve the following problem: A TV set is purchased with a loan of $563 to be paid off with 5 monthly payments of $116. The interest rate is 1 percent per month. Display a table giving the balance on the loan at the end of ea..
Consider the relational database described in Problem Give expressions in tuple relational calculus and domain relational calculus for each of the following queries: Find all the companies that have offices in all the cities in which company C2..
Draw Active Directory hierarchy in terms of forests, trees, domains, organizational units, and sites which are most suitable for this company and their security concerns.
Describe how to create a query in Access Query Wizard equilvant to the query: SELECT first, last, department, hours FROM payroll WHERE hours>.
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