PHPでのWebプログラミングに欠かせないMySQLの導入です。

1. PHP (7)!
MySQL
PHP Web
MySQL

2. Web
Web
PHP Perl Ruby MySQL
HTML+CSS+Javascript
sendmail GD
Web
Flash
10.4.18 (C)

3. (DB)
DB
10.4.18 (C)

4. CSV
Web
10.4.18 (C)

5. 1.
2.
3.
4.
10.4.18 (C)

6. RMDBS
DB
RDBMS(Relational
Database
Management
System)
…
1. A 9
2. B
3. 20
10.4.18 (C)

7. Excel
10.4.18 (C)

8.
row
ID name
ID name age sex prefecture birthday
1 20 0 1990-­‐05-­‐05
14:00:00
2 35 1 1975-­‐08-­‐22
22:02:00
3 50 0 1960-­‐12-­‐11
00:00:00
MySQL
Datetime Timestamp
ID
A ID5 0/1
10.4.18 (C)

9. WordPress RDBMS (1)
1. degiholly_commentmeta
2.
degiholly_comments
3.
degiholly_contact_form_7
4.
degiholly_links
5.
degiholly_options
6.
degiholly_postmeta
7.
degiholly_posts
8.
degiholly_terms
I
wanna
be
PHPer 12 9.
degiholly_term_relationships
10.
degiholly_term_taxonomy
11.
degiholly_usermeta
12.
degiholly_users
10.4.18 (C)

10. WordPress RDBMS (2)
RDBMS
1 1 (1
fact
in
1
place)
ID
1 2010.8.29
2 2010.8.31
3 2010.9.21 EC
4 2010.10.1
2
ID ID ID
1 2010.8.29 1 1
2 2010.8.31 2 2
3 EC
3 2010.9.21 3
4 2010.10.1 1
10.4.18 (C)

11. WordPress RDBMS (3)
A
wp_posts wp_terms wp_term_relationships
1. wp_posts A ID
2. wp_term_relationships ID ID
3. wp_terms ID
SQL
SELECT
term.name
FROM
wp_posts
as
p,
wp_terms
as
term,
wp_term_relationships
as
rel
WHERE
p.post_title
=
‘A’
AND
p.ID
=
rel.object_id
AND
rel.term_taxonomy_id
=
term.term_id;
10.4.18 (C)

12. (DB) Web
Yahoo!
Web
1
ALAYA
CMS
CackPHP
MySQL
Volume
1 2
WordPress CMS 10,000
2
PHP
10.4.18 (C)