SELECT FROM AS DISTINCT Arithmetic Operations on Columns WHERE Clause Comparison Operators (<,>,<=,>=,<>,=) Other Operators BETWEEN… AND, NOT BETWEEN… AND IN for more info visit utkaluniversity.com

1. Lab 3: SQL
Database Systems

2. Covered So FAR….
 SELECT
 FROM
 AS
 DISTINCT
 Arithmetic Operations on Columns
 WHERE Clause
 Comparison Operators (<,>,<=,>=,<>,=)
 Other Operators
 BETWEEN… AND,
 NOT BETWEEN… AND
 IN,
 NOT IN,
 LIKE (%,_) LIKE (*,?)
 NOT LIKE (%,_) //NOT LIKE (*,?)

3. The Structure of Select Statement
SELECT column_list
FROM table_names
WHERE Formula(condition)

4. WHERE Clause

 Formula of WHERE clause
consists of three elements:
1. Column name
2. Comparison operator
3. Column name, constant, or list of
values

5. Formula(condition)
Column
Name
Operator
Value:
• ‘Text’
• Number (78)
Column Name
WHERE Clause

9. Write SQL Queries….
1) Show ID, Product Name of the products whose
standard cost is between 10 and 15?
2) ShowSQL all record of products whose list price is
between 20 and 30?
3) Show product name and list price of the products
whose ID is 6, 40 and 57?
4) Show product name and list price of the products
whose list price is 9.20,12.75 and 34.80?
5) Show First Name and City of Employees whose job
titles are Vice President, Sales, Sales Manager and
Sales Coordinator
6) Show First Name of employees who belong to the
Seattle and Kirkland

10. LIKE Operator
We can use LIKE keyword to
perform searches
Search condition contain either
literal characters or numbers
Some time exact search is not
performed we can use characters:
 % denotes zero or many
characters
 _ denotes one character

12. IS NULL Operator

13. Write Queries
Show the complete record of employees
whose first name start with ‘m’?
Show the complete record of employees
whose city name has ‘e’ as second character?
Show complete record of the products
whose last letter of category is ‘s’?
Show names and list price of products who
do not have any minimum reorder quantity?
Show complete record of product whose
quantity per unit is not available?

14. Activity 2(A)…. Before Conversion

15. Activity 2(A)…. After Conversion

16. Activity 2(B)

17. Logical Operators

18. Logical Operators
 Uses to combine two or more
conditions
 Three logical operators:
1. AND
2. OR
3. NOT

19. Show EmployeeID, FirstName of all Sales
Reprsentatives who belong to London?

21. What are titles other than Sales
Representative?

22. ORDER BY Clause
We can sort data using the
ORDER BY clause
ORDER BY column name
ORDER BY clause apply
Ascending order sort by default
Following keywords are used for
descending and ascending order
sort:
ASC
DESC

24. Query Exercises
1. Show product Name and Code of the Product
whose standard Cost is less than 10 OR Greater
Than 30
2. Show product Name and Code , Standard Cost and
List Price of the Products whose standard cost is
greater than or equal to 30 and List Price is greater
than 70
3. Show customer details of the Customers Whose
state is WA and their job title is Owner
4. Show the data of Customer sorted by City
5. Show the data of Customer sorted by Job Title
6. Show data of Product Sorted in terms of Standard
cost in ascending and descending order

25. Rules of Precedence
Evaluation Order Operator
1 All Comparison
2 NOT
3 AND
4 OR
Override rules of Precedence by using parentheses

28. SELECT Example–Boolean Operators
AND, OR, and NOT Operators for customizing
conditions in WHERE clause
Must be very, very,
very, VERY careful
about the Boolean
operations

30. SELECT Example–Boolean Operators
With parentheses…these override the normal
precedence of Boolean operators