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Consider the university database from Exercise 2.3 and the ER dia-gram you designed. Write SQL statements to create the corresponding relations and capture as many of the constraints as possible. If you cannot capture some constraints, explain why.
What is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?
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.
Create a stored procedure that updates the members' balance in the membership table by correctly recording the current or outstanding balance for each customer.
Don't forget to underline key attributes for entity sets and include arrowheads indicating the multiplicity of relationships
Write a toString method that will return a String containing all the relevant data for each of your objects.
A database to keep track of information for her business
Give a primary key for each relation. Are there any relations for which there is an alternate candidate key which you have not chosen as the primary key? Why or why not?
systems analysis and database designyou should back up your answers with theoryreferences from reliable sources - more
A county wishes to create a database to control its local libraries. Each library has a number of employees, one of whom is designated as the manager of the library and is responsible for supervising employees and the general day-to-day management..
Create new DOM documents for each of your .xml file and .xsl file. Use these to generate output to the browser.
Draw a DFD (Context and Level 1) for placing an order based on the E-R diagram shown here.
Demonstrate the basic mechanisms for accessing relational databases from various types of application development environments.
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