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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.
List the sequence of relational algebra operations needed to implement the queries.
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?
What are the functional dependencies among the data represented in this first normal form relation?
Design relation schemas for the entire database.
Practice on topic of Normalization
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
Identify and explain the differences between a stack and a queue data structure
Data Modeling and Normalization
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
Prepare the relational schema for database
VSS has an existing software package that controls its high bay systems and wants to rewrite it. The existing system is written in C and uses C-ISAM files to store data.
Use Cases Perform a requirements analysis for the Case Study
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