SQL202 Accelerated Introduction to SQL Using Microsoft SQL Server Module 1. Covers relational database concepts, basic select statements, filtering results, special operators, wildcards, sorting, removing duplicates and selecting the top values.

1. SQL200 SQL Programming Based on SQL Clearly Explained by Jan Harrington Module 1 – Relational Database Background, Basic Single Table Retrieval Operations Bookstore SQL200 Module 1

4. SQL200 Contact Information Bookstore2 SQL200 Module 2 P.O. Box 6142 Laguna Niguel, CA 92607 949-489-1472 http://www.d2associates.com [email_address] Copyright 2001-2011. All rights reserved.

10. Bookstore SQL200 Module 1 Relational Database Table

12. Bookstore SQL200 Module 1 Relational Database with constraints

13. Database Management Systems Bookstore SQL200 Module 1 Positioning Chart VLDB Enterprise Workgroup Single user Spreadsheet # Users Cost

14. System Architecture Bookstore SQL200 Module 1 Access MDB File Server Architecture Access

15. System Architecture Bookstore SQL200 Module 1 Oracle DB Visual Basic App Client/Server Architecture Access  SQL 

16. System Architecture Bookstore SQL200 Module 1 Oracle DB Browser Web Architecture Web Server  SQL 

24. SQL Statement Processing Bookstore SQL200 Module 1 Parse Validate Optimize Access Plan Execute

28. SELECT Bookstore SQL200 Module 1 Basic Syntax ( Projection ): Select <column-list> or <*> From <table-list>

29. SELECT Bookstore SQL200 Module 1 Basic Example ( Projection ): select customer_last_name, customer_street from customers

30. MS Access SQL Query Bookstore SQL200 Module 1

31. Bookstore SQL200 Module 1

32. SQL Server Query Bookstore SQL200 Module 1

33. SELECT with Where Clause Bookstore SQL200 Module 1 Example ( Restriction plus Projection ): Select <column-list> From <table-list> Where <selection-criteria>;

35. SELECT with Where Bookstore SQL200 Module 1 Basic Example ( Restriction plus Projection ): select customer_last_name, customer_street from customers where customer_last_name = ‘Jones’

36. Select with Where Bookstore SQL200 Module 1

38. Complex Predicates Bookstore SQL200 Module 1 Follow normal boolean logic Select customer_last_name, customer_street From customers Where (customer_last_name = ‘Jones’ or customer_last_name = ‘Smith’)and customer_state=‘NY’

39. Select with Complex Where Bookstore SQL200 Module 1

40. Complex Where Result Bookstore SQL200 Module 1

43. IN Bookstore SQL200 Module 1 Select * From customers Where customer_last_name in (‘Rizzo’, ‘Jones’, ‘Garcia’) The list in parentheses can be replaced by a subquery. We will study this later.

44. SQL Where Clause with IN Bookstore SQL200 Module 1

45. IS NULL Bookstore SQL200 Module 1 Select * From customers Where customer_street IS NULL SQL uses three valued logic. Must use IS NULL to test for unknowns. A null is NOT the same as blank or empty.

47. BETWEEN Bookstore SQL200 Module 1 Select * From orders Where order_date BETWEEN ‘1-Jan-99’ and ’31-Dec-99’ Note: date formats vary from product to product.

48. Where with Between Bookstore SQL200 Module 1

49. Removing Duplicates Bookstore SQL200 Module 1 Select DISTINCT customer_city From customers List once each city in which there are customers Removes duplicate rows from result set

50. Removing Duplicates Bookstore SQL200 Module 1

51. Sorting – ORDER BY Bookstore SQL200 Module 1 DESC will sort in descending order Basic syntax : Select <column list> From <table list> Where <selection criteria> Order by <column list> [DESC]

52. Sorting – ORDER BY Bookstore SQL200 Module 1 Select * From customers Order by customer_state, customer_city Example: List all records sorted by state, city

53. Sorting Results with Order By Bookstore SQL200 Module 1

54. Selecting Top Records Bookstore SQL200 Module 1 Select Top 5 (or top 25 percent) Customer_last_name , contact_zip From customers Order by customer_zip desc ; List largest 5 zips or top 25 % of them…

56. Notes Bookstore SQL200 Module 1