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Write SQL queries using the SQL SELECT statement.
Select all data from both tables before you perform the following: o Increase all employees' salaries with the selected EEO-1 classification by 10 percent. o Increase all employees' salaries by 5 percent. o Choose an employee from the Employee table and delete that employee.
• Print out the SQL statements and data from both tables to show how data was affected. Be prepared to demonstrate your results in class.
Write SQL statements that do the following:
o Calculate the average salary for all employees. o Calculate the maximum salaries for exempt and non-exempt employees. o Calculate the maximum salary for all employees. o Calculate the minimum salaries for exempt and non-exempt employees. o Calculate the minimum salary for all employees.
Create a report which identifies five most expensive bicycles. The report must list bicycles in descending order from most expensive to lease expensive, the quantity on hand for each, and the markup percentage for each.
Write a query that performs an inner join of the grade, student, and grade_type tables using ANSI SQL 99 syntax (JOIN ON).
Evaluate the success WellCo and PharmaCARE shareholders
Create ERD containing Order and Customer entity types connected by 1-M relationship from Customer to Order. Select suiatble relationship name using your common knowledge of intersection.
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
Knowledge and Data Warehousing
Write a SELECT statement that returns two columns: VendorName and PaymentSum, where PaymentSum is the sum of the PaymentTotal column.
Write a SELECT statement that returns three columns: InvoiceTotal From the Invoices table, 10% 10% of the value of InvoiceTotal.
Assume that relation Employee has no tuples in it initially. You are to show the simplest example you can think of where using trigger T1 will produce a different final database state than using trigger T2.
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
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..
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