This document discusses database tables and concepts such as: - Tables contain rows and columns to organize data - Primary keys uniquely identify each row in a table - Foreign keys link data between tables by matching primary keys - Common operations on tables include inserting, updating, deleting rows with SQL statements - SQL statements like SELECT are used to query and retrieve data from one or multiple tables

1. DatabaseDatabase

2. Database Table
• ก F (table) F ก F F
•Table ก F row column
• F table student ก F column (id) ก (name) ʾ• F table student ก F column (id) ก (name) ʾ
(year)
• ก F (column id) ˈ F F ก F row ก
column F primary
id name year
projetcsoft.biz F
F ก

3. Database Table
•Table primary key F F F row ก array
index 1,2,3, F F F F
• F ก username password F (Table Admin)• F ก username password F (Table Admin)
column F กF username password username ˈ primary key
username F ก F F
username password
projetcsoft.biz F
F ก

4. Database Table
• (table subject) ก F 2 column F กF (id)
(name)
id name
•
F F ก F ก ก F F ก F F F
(table score) F F F ก F ก
(student_id), (subject_id) F(point)
id name
projetcsoft.biz F
F ก

5. Database Table
• F ก ˈ F F F F F
student_id subject_id point
• F ก ˈ F F F F F
ก ก ก table student ก table subject
• กก ก ก F F ก ˈ F F F ก
F F F F ก primary key
•primary key ก ก F foreign key
projetcsoft.biz F
F ก

6. Database Table
projetcsoft.biz F
F ก

7. Database Table
projetcsoft.biz F
F ก

8. Database Table
projetcsoft.biz F
F ก

9. ก F F
ก F F F ก column ก F ก
F Fก F ก ก F
ก column department faculty ก F ก
projetcsoft.biz F
F ก

10. My SQL
•My SQL ก ก database
• ก F , , กF table , F , , กF
column, F , , กF F row Fcolumn, F , , กF F row F
• ก F ก ก database ก ก F F
•Database Management System
• ก F My SQL F ก F PHP MyAdmin
projetcsoft.biz F
F ก

11. PHP MyAdmin
• App Serv F ก F PHP MyAdmin
F ʽ ก web browser F F
http://localhost F addresshttp://localhost F address
projetcsoft.biz F
F ก

12. PHP MyAdmin
F ก phpMyAdmin Database Manager Version
•Link ก
•Web browser F F F login F F F root•Web browser F F F login F F F root
username F password ก F
Appserv
projetcsoft.biz F
F ก

13. Column Data Type
• F MySQL F กF
•INT
•FLOAT•FLOAT
•VARCHAR String ก F F F ก F F
•TEXT String 65,535 ก
•MEDIUMTEXT String 16,777,215
ก
•DATE F YYYY-MM-DD
•TIME F ˈ HH:MM:SS
projetcsoft.biz F
F ก

14. Autorun Primary key
•ก F F F F ก ก F F
array index ก F F ($array[1])
• F ก ก F F F primary key ˈ ก• F ก ก F F F primary key ˈ ก
F F F F F
• ก F column ˈ primary key F
• F primary key auto run ˈ
projetcsoft.biz F
F ก

15. Database F ˈ case study
projetcsoft.biz F
F ก

16. SQL , , กF FSQL , , กF F
SQL F ก Structure Query
Langue , , กF , ก
F F

17. SQL CREATE TABLE
•CREATE TABLE (
• column F ,
•……………,
•PRIMARY KEY ( column ˈ primary key )•PRIMARY KEY ( column ˈ primary key )
•) ENGINE = MYISAM DEFAULT CHARSET = utf8
•COLLATE = utf8_unicode_ci
projetcsoft.biz F
F ก

18. SQL CREATE TABLE
•CREATE TABLE student(
•id INT ,
•name VARCHAR(80 ) ,•name VARCHAR(80 ) ,
•PRIMARY KEY (id)
•) ENGINE = MYISAM DEFAULT CHARSET =
utf8
•COLLATE = utf8_unicode_ci
projetcsoft.biz F
F ก

19. SQL CREATE TABLE
•CREATE TABLE subject(
•id INT ,
•name VARCHAR(80 ) ,•name VARCHAR(80 ) ,
•PRIMARY KEY (id)
•) ENGINE = MYISAM DEFAULT CHARSET =
utf8
•COLLATE = utf8_unicode_ci
projetcsoft.biz F
F ก

20. CREATE TABLE score (
id int auto_increment,
student_id int ,
subject_id int ,
public_date date ,
public_time time ,public_time time ,
point float ,
PRIMARY KEY (id)
) ENGINE=MyISAM DEFAULT CHARSET=utf8
COLLATE=utf8_unicode_ci
F F ก F primary key ˈ auto increment F F auto_increment
F
projetcsoft.biz F
F ก

21. SQL INSERT
•INSERT INTO table_name(column_name,…)
•VALUES (column_value,…)
• F ก table subject• F ก table subject
•INSERT INTO subject(id,name)
•VALUES (112233 , “Basic Web Application”)
• F ก ก F ก F column F ˈ
ก F VARCHAR TEXT F F F F F
“…” F ˈ F
projetcsoft.biz F
F ก

22. SQL INSERT
• SQL F Student
•INSERT INTO student(id,name)
VALUES(47180187," ")VALUES(47180187," ")
• SQL F score
•INSERT INTO score(id, student_id, subject_id,
point, public_date, public_time)VALUES
•(null,47180187,112233,45.5,"2009-12-
31","23:59:10")
projetcsoft.biz F
F ก

23. SQL INSERT
• F ก ก score
•ก F column id ก F ˈ auto run primary
key F ˈ null ( F F F F ˈ F F Fkey F ˈ null ( F F F F ˈ F F F
column ˈ auto run MySQL F
F F 1 F ก ก)
•ก F column public_date ˈ F
F F F “..” ˈ yyyy-mm-dd
( ʾ( . .)- - )
projetcsoft.biz F
F ก

24. SQL INSERT
•ก F column public_time ˈ F F F
F “..” hh:mm:ss ( : : )
• F function NOW() SQL F ก ˆ
FF
•INSERT INTO score(id, student_id, subject_id, point,
public_date, public_time)VALUES
•(null,47180187,112233,45.5,NOW(),NOW())
projetcsoft.biz F
F ก

25. SQL DELETE
• F ก ก F
•DELETE FROM WHERE primary key=
• Fก F F F ก F F F ก ก F F array F F
index ก F F F F ก F F primary key ก
Fก F F F ก F F F ก ก F F F F
index ก F F F F ก F F primary key ก
F F F ก
• ก F ก F F F F ก F
primary key= ก F ก
• F F F ก WHERE primary key= MySQL
F ก
projetcsoft.biz F
F ก

26. SQL DELETE
• id ˈ 9 score
•DELETE FROM score WHERE id=9
• id ˈ 45180932 student• id ˈ 45180932 student
•DELETE FROM student WHERE id=45180932
• id ˈ 1133675 subject
•DELETE FROM subject WHERE id=1133675
• ก ก 2009-1-3 20:30:45
•DELETE FROM score WHERE (public_date="2009-
1-3") AND (public_time="20:30:45")
projetcsoft.biz F
F ก

27. SQL UPDATE
• F ก ก ก F กก F
ก ก F AND ()
FF
•ก F ก F column public_date
F ˈ "2009-1-3” column public_time F
ˈ "20:30:45” F ก column public_date F
ˈ "2009-1-3” Fcolumn public_time F F F ก
ˈ "20:30:45” F ก F
projetcsoft.biz F
F ก

28. SQL UPDATE
• ก กF F column F
•UPDATE SET column= F F ก ,
column= F F ก WHERE primary key=column= F F ก WHERE primary key=
• F ก DELETE F F F
WHERE primary key= ˈ ก F F ก กF F
• F กF F column ˈ primary
projetcsoft.biz F
F ก

29. SQL UPDATE
• กF ก ก ˈ 5123454
•UPDATE student SET name=" กF "
WHERE id=5123454WHERE id=5123454
projetcsoft.biz F
F ก

30. SQL UPDATE
• กF , ก ก 442331
321456
•UPDATE score SET public_date="2009-1-•UPDATE score SET public_date="2009-1-
3",public_time="20:30:45",point=12.8 WHERE
(student_id=442331)AND(subject_id=321456)
• ก F ก F ก ก
INSERT
projetcsoft.biz F
F ก

31. SQL UPDATE
• กF 987645 ก 47189187
•UPDATE score SET point=0 WHERE
(student_id=47189187)AND(subject_id=987645)(student_id=47189187)AND(subject_id=987645)
projetcsoft.biz F
F ก

32. SQL SELECT
•SELECT column_name, … FROM table_name
• F column_name ก table_name
• F SELECT id,name FROM subject ก ก F
column id coulumn name subjectcolumn id coulumn name subject
• F ˈ F ก column F F ก F
column F F
•SELECT name FROM student ก ก ก F
student
• ก F ก F ก column F F *
•SELECT * FROM student
projetcsoft.biz F
F ก

33. SQL SELECT
• F ก F (WHERE) F F ก
UPDATE ก DELETE
• WHERE ˈ logical operation ก• WHERE ˈ logical operation ก
F F ก F F F ก ก F กก F
F ก 20 112233 F
•SELECT student_id FROM score WHERE
(point>=20) AND(subject_id= 112233)
projetcsoft.biz F
F ก

34. SQL Logical Operation
• SQL ก WHERE ˈ logical operation
•(column_name operator value )AND|OR(
•operator F F column ก F•operator F F column ก F
F ก operator SQL F กF
•= F ก <> F F ก > กก F >= กก F F ก
•< F ก F <= F ก F F ก
• value ก F column F F ˈ F
F value F F F “..”
projetcsoft.biz F
F ก

35. SQL Logical Operation
• F ก ก 47180187
•SELECT name FROM student WHERE
•(id =47180187)•(id =47180187)
projetcsoft.biz F
F ก

36. SQL Logical Operation
• F ก ก F F 20 30
112233
•SELECT student_id FROM score WHERE•SELECT student_id FROM score WHERE
•(point >20)AND (point <30)
•AND (subject_id =112233)
projetcsoft.biz F
F ก

37. ก F ก ก 11273 F
sql F
SELECT MAX(point) FROM score
WHERE (subject_id =11273)
SQL MAX MIN Function
WHERE (subject_id =11273)
ก ก F
SELECT MIN(point) FROM score
WHERE (subject_id =11273)
projetcsoft.biz F
F ก