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Code SQL statements to update this view as follows: a. change the spelling of Mark Tobey to Mark Toby. b. Create a new Transaction for Mark Toby. Assume you have the necessary transaction, work, and customer data in a structure named NewTrans. c. Add new intersted customers for Mark Toby. Assume they are stored in a collecton that you can access with the command "for Each NewCust.Name."
Write SQL statements to create the above tables using SQL DDL statements. Write an INSERT statement to add two new records to each table.
Write a SELECT statement that returns one row for each general ledger account number which contains three columns.
Turn this SQL query into a relational algebra statement? SELECT Request.reqfor, Ordering.invamt, Ordering.invnbr, Ordering.invdat
Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
Write a SQL statement to display the Major of the student with no duplications. Write a SQL statement to display the First and Last name of students who live in the Zip code 88888.
Create a program that enters first and a second number. The first and second number that will be entered should be computed in halves, quarter, double, and square.
Write PL/SQL block which displays last name and salary of following people. Each of these can be done separately as PL/SQL, first to test and get output lines.
Run the lab_03_01.sql script in the attached file to create the SAL_HISTORY table. Display the structure of the SAL_HISTORY table.
Write down a SQL insert statement to insert new row in "CDS" table.
Write an SQL statement to produce a single column called ItemLocation that combines the SKU_Description,the phrase "is located in."
As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.
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