Which of the following SQL statements is used to return only different values? a) SELECT UNIQUE b) SELECT DIFFERENT c) SELECT DISTINCT d) SELECT UNIQUE DISTINCT
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A: I have answered this question in step 2.
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A: Your answer is given below.
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- do these steps in Microsoft SQL Server Management Studio. *Please copy paste the code and also attach screenshots. -create Authors and Books relations. -create the tuples of Authors and Books relations. -using T-SQL statements, assign first names of the youngest and the oldestAuthor into two variables. Display the variable values -using T-SQL statements, assign first names of Authors whose last name isthe longest and the shortest into two variables. Display the variable values. -using T-SQL statements, write a program section that calculates and displays sum of numbers starting from 1 to n. -implement an SP that searches/filters the Authors relation. SP should acceptthe following arguments: SSNo (equivalence comparison), First Name(fuzzy-prefix), Last Name(fuzzy-prefix), DOB (equivalence comparison),Gender(equivalence comparison), NumberOfPrizesMin (NumberOfPrizesattribute value of “to be selected tuples” should be greater than or equal tothis value), NumberOfPrizesMax (NumberOfPrizes…You have the following tables: MANAGERS (MANAGER_ID, LAST_NAME, FIRST_NAME, DEPARTMENT) ACCOUNTS (ACCOUNT_NUMBER, MANAGER_ID, CUST_ID, BALANCE) CUSTOMERS (CUST_ID, LAST_NAME, FIRST_NAME) Write a SQL statement that lists account number, balance, MANAGER’s last name, CUSTOMER ID, and CUSTOMER’s last name for every account in the ACCOUNTS table.In what ways may transaction processing, customer relationship management, and supply chain management systems improve business operations, and how do they work in practise?
- Q1. Write a SELECT statement that returns these columns from the Invoices table: The invoice _total column A column that uses the ROUND function to return the invoice_total column with 1 decimal digit A column that uses the ROUND function to return the invoice_total column with no decimal digits Q1. Write a SELECT statement that returns these columns from the Invoices table: • The invoice_total column • A column that uses the ROUND function to return the invoice_total column with 1 decimal digit • A column that uses the ROUND function to return the invoice_total column with no decimal digits invoice_total one digit 3813.33 3813.3 zero_digits 3813I need SQL code for the following question: - Use MYSQL for coding Create a MySQL table named 'prime_test' that contains two columns. The first column is an integer named 'number' that is the primary key and cannot be NULL. The second column is a variable length string named 'is_prime' with a maximum length of 50. Write one or more insert statements that fills only the 'number' column of table 'prime_test' with the integers between 2 and 100. Write one or more update statements that sets the 'is_prime' column for each associated integer. For a prime, the column should read 'prime'. For non-primes, the column should read 'composite'. Write a final select statement to return only the 'number' column from 'prime_test' for records that are prime, ordered from largest to smallest.1. Which of the following is not part of a standard SQL statement? a. Importable programming libraries b. Predicate c. Expressions d. Clauses
- The following two SQL statements will produce the same results. SELECT P_DESCRIPT, P_QOH,P_PRICE FROM PRODUCT WHERE P_QOH >(SELECT P_QOH FROM PRODUCT WHERE P_CODE='11QER/31') AND P_PRICE>(SELECT P_PRICE FROM PRODUCT WHERE P_CODE='11QER/31'); SELECT P_DESCRIPT, P_QOH,P_PRICE FROM PRODUCT WHERE (P_QOH,P_PRICE) > (SELECT P_QOH,P_PRICE FROM PRODUCT WHERE P_CODE='11QER/31'); A) True B) FalseSQL procedure a. Write a procedure in SQL that inserts a new customer record into the "Customers" table. b. Create a procedure that updates the quantity of a product in the "Inventory" table based on the product ID. c. Write a procedure that calculates the average salary of all employees in the "Employees" table and displays the result.31 Refer to the given SQL statement. SELECT PRODNUM, PRODNAME FROM PRODUCT: Which line designates a product number of at least 300 when added to the end of this statement? O WHERE PRODNUM>=300 WHERE PRODNUM=300+ O WHERE PRODNUM=(300; unlimited) WHERE PRODNUM=>300
- **In SQL** Write a SELECT statement that returns these columns: InstructorDept The DepartmentName column from the Departments table for a related instructor LastName The LastName column from the Instructors table FirstName The FirstName column from the Instructors table CourseDescription The CourseDescription column from the Courses table CourseDept The DepartmentName column from the Departments table for a related instructor Return one row for each course that’s in a different department than the department of the instructor assigned to teach that course. (Hint: You will need to join the Departments table to both the Instructors table and the Courses table, which will require you to use table aliases to distinguish the two tables.)Write the following SQL Statements: Write a SELECT statement that returns one row for each customer that has orders with these columns: The email_address from the Customers table A count of the number of orders The total amount for each order (Hint: First, subtract the discount amount from the price. Then, multiply by the quantity.) Return only those rows where the customer has more than 1 order. Sort the result set in descending sequence by the sum of the line item amounts. Write a SELECT statement that answers this question: What is the total amount ordered for each product? Return these columns: The product name from the Products table The total amount for each product in the Order_Items (Hint: You can calculate the total amount by subtracting the discount amount from the item price and then multiplying it by the quantity) Use the ROLLUP operator to include a row that gives the grand total. Write a SELECT statement that answers this question: Which customers have ordered more…SQL Database Write PL/SQL or T-SQL procedures to accomplish the following tasks: Obtain the first name and last name, separated by a space, of the guide whose number currently is stored in I_GUIDE_NUM. Place these values in the variables I_FIRST_NAME and I_LAST_NAME. Output the contents of I_GUIDE_NUM, I_FIRST_NAME, and I_ LAST_NAME. Obtain the number of persons, customer number, and customer last name for every reservation whose ID currently is stored in I_RESERVATION_ID. Place these values in the variables I_NUM_PERSONS, I_CUSTOMER_NUM, and I_LAST_NAME, respectively. Output the contents of I_NUM_PERSONS, I_CUSTOMER_NUM, and I_LAST_NAME. Add a row to the GUIDE table. Change the last name of the guide whose number is stored in I_GUIDE_NUM to the value currently found in I_LAST_NAME. Delete the guide whose number is stored in I_GUIDE_NUM