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Imagine that you work for a police department and have need to track the following type of data, parolees being released into the community. Create a database with at least one table with MS Access. Add drop-down lists (combo boxes), validation rules, and input masks as required. Finish off by designating one field a primary key. The main table should include at least eight fields of at least four different data types. <br/> <br/>The final database must include one of the following: <br/>A second table in a proper, sensible relational model <br/>An attractive form based on the table <br/>
Information Gathering Component is very important to a shopping cart system. You really want to develop a good algorithm for it. As a professional practice, you decided to first make a working plan in pseudocode before putting hands.
question 1a explain the use of facts dimensions and attributes in a star schema model.b in relation to a fact table
Prepare a memorandum examining use of databases in organization. Write database applications are used: Microsoft Access, DB2, Oracle, etc.
Explain efficient algorithm that, provided edge-labeled graph G with distinguished vertex v0 and sequence s = σ1, σ2, ..., σk of characters from Σ, returns path in G which begins at v0.
Suppose you are asked to evaluate a DBMS in terms of lock granularity and the different locking levels. Create a simple database environment in which these features would be important.
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
Write a program to calculate the tax of an employee whose employee number is input from the keyboard. Display an appropriate error message if the data does not exist in the Emp table.
modify oracle table data using the correct sql statements. you must create the statements in oracle by using the
supplies % of votes each candidate is likely to receive, based on popularity rating. Actual number of votes received is that percentage of General votes. You should enter data for each candidate in each of the eight constituencies.
For each of the following sets of FDs, assuming those are the only dependencies that hold for R, do the following: (a) Identify the candidate key(s) for R. (b) Identify the best normal form that R satisfies (1NF, 2NF, 3NF, or BCNF). (c) If R is ..
Write a PROLOG program that implements a family database for your family. Save it as an ordinary text file named family.pro. Your program should implement the following facts for your immediate family, grandparents, and great-grandparents.
What are triggers used for, and why are they significant in database systems? Give an example of situation where a trigger would be appropriate. What would implementation of this trigger look like?
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