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What is a trigger
What new integrity constraints would you use in each of these tables? Explain how your constraints would improve queries on the tables.
document flowchart for the order processing system, and data flow diagram DFD at Level 0 for the order processing system.
Describe Database Backup - 2 pages, (b) Describe Disaster Planning - 2 pages, (c) Highlight the importance of the integration of both backups and disaster planning and the impact if both are not effectively executed - 1 page.
An EMPLOYEE has only one JOB_CODE, but a JOB_CODE can be held by many EMPLOYEEs.
Start Access. Open the downloaded Access file named exploring_a02_grader_h1. Create a new table in Datasheet view using the name Donations. Switch to Design View and change ID to DonationID. Add the following field names to the table: DonorID, Plan..
Kitchen Gadgets sells a line of high-quality kitchen utensils and gadgets. When customers place orders on the company's Web site or through electronic data interchange (EDI).
A small company allocates a certain amount of dollars to each department to be used to purchase things they need. The approved budget information is kept in the APPROVED-BUDGET file by department number in the purchasing system. When a department det..
schema design part i the following describes what is expected in the design part of the assignment.1 dfd and er diagram
Define each of the following data mining functionalities: characterization, discrimination, association and correlation analysis, classification, prediction and clustering. Give examples of each data mining functionality, using a real-life databas..
Create a spreadsheet that includes a list of the students - you need to create a query to Delete the existing records
How to write tables and draw E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Describe the different ways of implementing one-to-one relationships. Assume you are maintaining information on offices and faculty.
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