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Using the descriptions of the attributes given in the, convert the ERD shown in Figure P6.2 into a dependency diagram that is in 3NF.
Draw an E-R Diagram and draw an E-R Diagram for Student Information System.
Design a work breakdown structure for the task below: Designing the database, Working on the website content
Write down the SQL code in order to carrying out the following requests. Display all the data in each of the four tables. Do not display the foreign key columns.
How and why did database management systems become the organizational data management standard? Describe some advantages of database approach over file-system approach.
Create a context level DFD. You should take your DFD to your tutorial for feedback before starting on the ER.
Why are these so significant yet so frequently ignored by developers? Write the long term problems when these constraints are not implemented? "
Point out the changes you require to make to Premiere Products database to support following situation: A customer is not necessarily represented by a single sales rep but can be represented by several reps.
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
The relations given below keep track of airline flight information:Flights(flno: integer, from: string, to: string, distance:integer, departs: time, arrives: time, price: real)Aircraft(aid: integer, aflame: string, cruisingrange: integer)
Input names of students from user, terminated by ZZZ, and design the data file GRADES with records of form: student (string), test1 (integer), test2 (integer), test3 (integer).
What is meant by a Metadata? How does this term pertain to a database? Write down advantage is there in storing metadata in tables?
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