1. Prof: Dr. Shu-Ching Chen TA: Hsin-Yu Ha
Sql language tutorial
Prof: Dr. Shu-Ching Chen
TA: Hsin-Yu Ha

2. Basic Syntax of SQL Language
SELECT attribute name(s)
FROM table name
WHERE comparison predicate (Boolean expression)
GROUP BY attribute name
HAVING comparison predicate
ORDER BY attribute name

3. Create Tables .

4. SELECT ALL records

5. Formula
Like & DISTINCT

6. SELECT specific records with conditions

7. SQL ORDER BY

8. SQL UPDATE UPDATE table name SET column1 = value, column2 = value2,…
WHERE comparison predicate (Boolean expression)

9. SQL IN OPERATOR AVG() - Returns the average value
COUNT() - Returns the number of rows
FIRST() - Returns the first value
LAST() - Returns the last value
MAX() - Returns the largest value
MIN() - Returns the smallest value
SUM() - Returns the sum

10. SQL Alias

11. SQL Joins
SELECT column_name(s)
FROM table_name1 JOIN_TYPES table_name2
ON table_name1.column_name = table_name2.column_name
INNER JOIN: Return rows when there is at least one match in both tables
LEFT JOIN: Return all rows from the left table, even if there are no matches in the right table
RIGHT JOIN: Return all rows from the right table, even if there are no matches in the left table

12. SQL INNER JOIN

13. SQL LEFT JOIN

14. SQL RIGHT JOIN

15. SQL GROUP BY Statement

16. SQL HAVING Clause

17. PosgreSQL Arrays (1)

18. PosgreSQL Arrays (2)

19. PosgreSQL Arrays (3)

20. PosgreSQL Composite Types