1. SQL Select Statement
IST359

2. Agenda SQL SELECT = Most Important Statement Understanding Fudgemart
Select from, where, order by
Top and distinct keywords
Table joins
Column and table aliasing

3. SQL SELECT  Reads Data
Columns To Display
SELECT col1, col2, ... FROM table WHERE condition ORDER BY columns
Table to use
Only return rows matching this condition
Sort row output by data in these columns

4. SELECT Demo Basic SELECT Columns Where ( AND .vs OR) Order by
TOP / Distinct

5. SELECT HOW WE SAY IT HOW IT IS PROCESSED SELECT (Projection)
TOP/ DISTINCT
FROM
WHERE
ORDER BY
FROM
WHERE
SELECT (Projection)
ORDER BY
TOP / DISTINCT

6. Fudgemart – Conceptual

7. Fudgemart - Internal

8. JOINS
JOINS let you combine data from more than one table into your query output
Most of the time you join on PK-FK pairs
SELECT *
FROM tablea
JOIN tableb ON acol = bcol

9. Demo – Table Joins Select JOINS Inner / Equijoin
Basic join type
Table and Column Aliasing
Makes it easier to know what comes from where
Outer joins (Left / Right)
Include non-matching records across joins
Multi-table joins

10. Work in Groups. Try these.
All Employees working in the ‘Hardware’ department making less than $15/hr
Names and retail prices of the top 5 products
Product name, product wholesale price , and vendor name for products supplied by vendor ‘Mikee’
List of employee names and their supervisor’s names.