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Create and run the following sql queries and submit the screen shot of your result. Also submit the file lab_06_03.sql
1.The HR department needs a query that prompts the user for an employee last name. The query then displays the last name and hire date of any employee in the same department as the employee whose name they supply (excluding that employee). For example, if the user enters Zlotkey, find all employees who work with Zlotkey (excluding Zlotkey).2. Create a report that displays the employee number, last name, and salary of all employees who earn more than the average salary. Sort the results in order of ascending salary
3. Write a query that displays the employee number and last name of all employees who work in a department with any employee whose last name contains a u. Place your SQL statement in a text file named lab_06_03.sql. Run your query.
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
Write the name(s) of employee(s) who works(work) on every project located in Houston. Write the name(s) of employee(s) who only works(work) on every project located in 'Houston.'
Write a program to sort these back into a single file. Oh, and we only have a few nanoseconds to do it, so you'd better do it with pthreads!
Consider a student club or organization in which you are a member. What are the data entities of this enterprise? List and define each entity
What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?
Describe how that firms likely use or should use Management Information Systems, Information Systems and Information Technology as it relates to the various topics covered in the class.
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
List the first and last names of any customers who have bought all of the items. (This does not need to be as part of a single purchase).
To identify the number of employees at the New Book Sales Corporation, you view the records in the Sales Department table.
To complete this assignment, you will need to do data calculations. Remember to follow good database practice here by not saving your calculations as part of the data table itself (they should appear only in your queries).
Consider the EER diagram for a car dealer in the figure below. Map the EER schema into a set of relations. For the VEHICLE to CAR/ TRUCK/ SUV generalization.
One of the many problems with data redundancy is the likely occurrence of data inconsistencies-two different initials have been entered for the teacher named Maria Cordon.)
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