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Using the data model shown below write SQL statements as specified below.
Some questions may require more than one SQL statement to get the full answer. You may make up whatever data values you like to complete the assignments.
SQL Exercises
1. Where are transactions being made? Write SQL statement(s) that will create a new table to track the branches where transactions are performed. Store data about the name, location, and phone number of each branch. Be sure to also modify whatever table is necessary to connect this new table to the existing data.
2. What happens when a new account is opened? Write SQL statement(s) to add data to the tables for a new account. (Go ahead, give yourself a million dollars!)
3. How much money do I have? Write SQL statement(s) to retrieve the current balance for all of your accounts.
4. What happens when an account is closed? Write SQL statement(s) to delete all the data associated with a single account. Extra Credit: Why is deleting these records a bad idea and what can be done differently to close an account?
Describe some techniques for gathering requirements to develop SQL queries. Provide an example using a business case.
Combine the two diagrams make a visio ERD with Primary and Foreign keys.
Write a Select statement that returns four columns from the Invoices table, named Number, Total, Credits, and Balance
Construct an SQL schema definition for this database. Use inheritance where appropriate.
Write a PL/SQL block to select the name of the employee with a given salary value. You will be using the MESSAGES table that was created for a previous assignment.
Discuss how Ultra Wide Band (UWB) works, and where it is used today in the real-world. What companies are making UWB-based products?
Create a database using professional principles and standards. Use a relational database software application to develop a database implementing the logical design into a physical design.
Create a table that includes a rotating schedule for the 12 months of security testing. Include columns that identify time estimations for each test listed.
Show the unix/linux commands that you would use to create a 7x7 matrix of alternating entries of 1's and 0's. It should look like this
Write SQL statements for the ten queries - find the names of all Tracks that are more than 10 minutes (600,000 ms) long. Result: (name: varchar(255))
List the employee_id and employee_name of the employees form the l_employees table with the top 4 credit limits.
write SQL queries using Between, Like and Union
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