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The Entity-Relationship Diagram is widely used in the design of relational databases. Why do you think this is so?
What is it about this model that makes it the ideal choice for relational database design?
Do you see any problems with the use of this model that might make database designers choose another model?
Using your text, the Internet, and other sources as references, research this issue and post your thoughts.
You may put anything in your posting that relates to this topic as long as it is substantive. Remember to cite your sources.
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document flowchart for the order processing system, and data flow diagram DFD at Level 0 for the order processing system.
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Suppose a sequential file contains 50,000 records, and 5 milliseconds are required to interrogate an entry. How long should we expect to wait when retrieving a record from the middle of the file?
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how can you drop a table from your database that has one or more other tables referencing it with foreign keys?no words
Consider a video game store. For each game, the database contains information about title, producing company name, designer(s) name(s), version of the game, type of the game and characters in the game
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your supervisors and customers are very impressed with the database you have put together. however there is still that
A screen shot of the first page of the contents of each table. Alternatively, you may create a report that dumps the contents of a table and submit a single page of that report.
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