SQL course

1. SQL Success
Chapter 2 slides
Stéphane Faroult
1

2. ALPHA
2

3. Don Chamberlin
with Ray Boyce (+ 1974)
3

4. select ...
4

5. select ...
from ...
5

6. select ...
from ...
where ...
6

7. QUEL
Michael
Stonebraker
7

8. range of e is employee
retrieve (comp = e.salary / (e.age - 18))
where e.name = "Jones"
QUEL
Michael
Stonebraker
8

9. Movies
| Movieid |
Title
| Country | Year_Released
-------------------------------------------------------------------P.
IN
|
|
|
| > 1985
QBE
Moshe Zloof
9

10. Oates
Ellison
Miner
10

11. components
11

12. CREATE
Data Definition Language
12

13. ALTER
Data Definition Language
13

14. DROP
Data Definition Language
14

15. id
1
2
3
4
5
6
INSERT
title
title
Casablanca
Blade Runner
On The Waterfront
Lawrence Of Arabia
Annie Hall
Goodfellas
country
us
us
us
uk
us
us
year_released
1942
1982
1954
1962
1977
1990
Data Manipulation Language
15

16. id
1
2
3
4
5
6
7
8
9
10
11
12
INSERT
title
country
title
Casablanca
us
Blade Runner
us
On The Waterfront
us
Lawrence Of Arabia
uk
Annie Hall
us
Goodfellas
us
The Third Man
uk
Citizen Kane
us
Bicycle Thieves
it
The Battleship Potemkin ru
Sholay
in
A Better Tomorrow
hk
year_released
1942
1982
1954
1962
1977
1990
1949
1941
1948
1925
1975
1986
Data Manipulation Language
16

17. UPDATE
id
1
2
3
4
5
6
7
8
9
10
11
12
title
country
Casablanca
us
Blade Runner
us
On The Waterfront
us
Lawrence Of Arabia
uk
gb
Annie Hall
us
Goodfellas
us
The Third Man
uk
gb
Citizen Kane
us
Bicycle Thieves
it
The Battleship Potemkin ru
Sholay
in
A Better Tomorrow
hk
year_released
1942
1982
1954
1962
1977
1990
1949
1941
1948
1925
1975
1986
Data Manipulation Language
17

18. DELETE
id
1
2
3
4
5
6
7
8
9
10
11
12
title
country
Casablanca
us
Blade Runner
us
On The Waterfront
us
Lawrence Of Arabia
gb
Annie Hall
us
Goodfellas
us
The Third Man
gb
Citizen Kane
us
Bicycle Thieves
it
The Battleship Potemkin ru
Sholay
in
A Better Tomorrow
hk
year_released
1942
1982
1954
1962
1977
1990
1949
1941
1948
1925
1975
1986
Data Manipulation Language
18

19. SELECT
id
1
2
3
4
title
Casablanca
Blade Runner
On The Waterfront
Lawrence Of Arabia
country
us
us
us
gb
6
7
8
9
10
11
12
Goodfellas
The Third Man
Citizen Kane
Bicycle Thieves
The Battleship Potemkin
Sholay
A Better Tomorrow
us
gb
us
it
ru
in
hk
year_released
1942
1982
1954
1962
1990
1949
1941
1948
1925
1975
1986
19

20. 20

21. EMEA Survey, Evans Data, 2011
21

22. EMEA Survey, Evans Data, 2011
22

23. EMEA Survey, Evans Data, 2011
23

24. 24

25. 25

26. 26

27. 27

28. 28

29. Flickr: Jeff Kramer
29

30. Client
DBMS
30

31. Client
DBMS
31

32. DBMS
32

33. DBMS
33

34. DBMS
34

35. DBMS
35

36. Client
36

37. ECHO
22
21
7
SSH
FTP
23
25
88
110
80
143
37

38. ECHO
22
21
7
SSH
FTP
23
25
88
110
80
143
38

39. ECHO
22
21
7
SSH
FTP
23
25
88
110
80
143
39

40. ECHO
22
21
7
SSH
FTP
23
25
88
110
80
143
40

41. $ mysql --user=donald --host=atlas --port=3306
41

42. $ mysql --user=donald --host=atlas --port=3306
$ psql --username donald --host atlas --port 5432
42

43. $ mysql --user=donald --host=atlas --port=3306
$ psql --username donald --host atlas --port 5432
$ sqlplus donald@//atlas:1521/ORCL
43

44. $ mysql --user=donald --host=atlas --port=3306
$ psql --username donald --host atlas --port 5432
$ sqlplus donald@//atlas:1521/ORCL
$ clpplus donald@//atlas:50000/DB2
44

45. $ mysql --user=donald --host=atlas --port=3306
$ psql --username donald --host atlas --port 5432
$ sqlplus donald@//atlas:1521/ORCL
$ clpplus donald@//atlas:50000/DB2
Database Engine
ATLASSQLEXPRESS
SQL Server Authentication
donald
45

46. create table table_name
46

47. create table table_name
(
,
,
)
47

48. cReaTE tABle table_name
(
,
,
)
48

49. tablename
=
TABLENAME
=
tABleNamE
49

50. 4ME
50

51. 4ME
51

52. 4ME
MY_TABLE2
52

53. 4ME
MY_TABLE2
MY TABLE
53

54. 4ME
MY_TABLE2
MY TABLE
54

55. create table table_name
(column_name
,
,
)
55

56. create table table_name
(column_name
datatype ,
,
)
56

57. Text
57

58. Text
Number
58

59. Text
Number
Date
59

60. Text
Number
Date
Binary
60

61. Text
Number
Date
Binary
61

62. Text datatypes
char(length)
char
62

63. Text datatypes
char(length)
char(1)
63

64. Text datatypes
char(length)
varchar(max length)
varchar2(max length)
64

65. Text datatypes
char(length)
varchar(max length)
clob
65

66. Number datatypes
int
66

67. Number datatypes
int
float
67

68. Number datatypes
int
float
numeric
number
68

69. Number datatypes
int
float
numeric (precision)
69

70. Number datatypes
int
float
numeric (precision)
999999 99
70

71. Number datatypes
int
float
numeric (precision,
scale)
999999 99
71

72. Number datatypes
int
float
numeric (precision,
scale)
999999. 99
72

73. Date datatypes
datetime
date
73

74. Date datatypes
datetime
timestamp
74

75. Binary datatypes
varbinary(max length)
75

76. Binary datatypes
varbinary(max length)
blob
76

77. create table people ( peopleid
first_name
surname
born
died
number,
varchar2(30),
varchar2(30),
number(4),
number(4 ))
77

78. create table people ( peopleid
first_name
surname
born
died
int,
varchar(30),
varchar(30),
numeric(4),
numeric(4 ))
78

79. Flickr:Daniel Moyle
79

80. create table people (peopleid
first_name
surname
born
died
int ,
varchar(30),
varchar(30) ,
numeric(4),
numeric(4 ))
80

81. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) ,
numeric(4),
numeric(4 ))
81

82. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) not null,
numeric(4),
numeric(4 ))
82

83. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) not null,
numeric(4),
numeric(4 ))
83

84. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) not null,
numeric(4),
numeric(4 ))
84

85. 85

86. 86

87. comment on column people.surname is 'Surname or stage name';
-- comments in an SQL statement start with a double dash
87

88. comment on column people.surname is 'Surname or stage name';
-- comments in an SQL statement start with a double dash
88

89. comment on column people.surname is 'Surname or stage name';
-- comments in an SQL statement start with a double dash
89

90. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) not null,
numeric(4),
numeric(4 ))
45
90

91. No woman should ever be quite accurate
about her age. It looks so calculating.
Oscar Wilde
The Importance of Being Earnest.
91

92. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) not null,
numeric(4) , not null,
numeric(4 ))
92

93. Picture
Surname Firstname Birthdate
Hepburn
Audrey
4-May-1929
93

94. Picture
Surname Firstname Birthdate
Hepburn
Audrey
4-May-1929
Hepburn
Audrey
4-May-1929
94

95. Picture
Surname Firstname Birthdate
Hepburn
Audrey
4-May-1929
Hepburn
Audrey
4-May-1929
95

96. 96

97. 97

98. CONSTRAINTS
98

99. create table people (peopleid
first_name
surname
born
died
int not null,
varchar(30),
varchar(30) not null,
numeric(4) not null,
numeric(4))
99

100. int not null,
primary key,
first_name varchar(30),
surname
varchar(30) not null,
born
numeric(4) not null,
died
numeric(4))
create table people (peopleid
100

101. create table people (peopleid
int not null
primary key,
first_name varchar(30),
surname
varchar(30) not null,
born
numeric(4) not null,
died
numeric(4))
101

102. create table people (peopleid
int not null
primary key,
first_name varchar(30),
surname
varchar(30) not null,
born
numeric(4) not null,
died
numeric(4) ,
unique (first_name, surname))
102

103. For Oracle, PostgreSQL and DB2 ...
'audrey'
'AUDREY'
'Audrey'
103

104. For Oracle, PostgreSQL and DB2 ...
'audrey'
'AUDREY'
'Audrey'
... not for SQL Server, MySQL or SQLite ...
104

105. create table people (peopleid
int not null
primary key,
first_name varchar(30),
surname
varchar(30) not null,
born
numeric(4) not null,
died
numeric(4),
unique (first_name, surname))
105

106. create table people (peopleid
int not null
primary key,
first_name varchar(30),
check (first_name = upper(first_name)),
surname
varchar(30) not null,
check (surname = upper(surname)),
born
numeric(4) not null,
died
numeric(4),
unique (first_name, surname))
106

107. Chris Date
Picture: Douglas Robertson
107

108. Chris Date
Picture: Douglas Robertson
108

109. create table movies (movieid
int not null primary key,
title
varchar(60) not null,
country
char(2) not null,
year_released numeric(4) not null
check(year_released >= 1895),
unique (title, country, year_released))
109

110. COUNTRIES
country_code country_name
continent
us
United States
AMERICA
cn
China
ASIA
in
India
ASIA
br
Brazil
AMERICA
uk
United Kingdom
EUROPE
ru
Russia
EUROPE
mx
Mexico
AMERICA
it
Italy
EUROPE
de
Germany
EUROPE
110

111. COUNTRIES
country_code country_name
continent
us
United States
AMERICA
cn
China
ASIA
in
India
ASIA
br
Brazil
AMERICA
uk
United Kingdom
EUROPE
ru
Russia
EUROPE
mx
Mexico
AMERICA
it
Italy
EUROPE
de
Germany
EUROPE
111

112. create table movies (movieid
int not null primary key,
title
varchar(60) not null,
country
char(2) not null,
year_released numeric(4) not null
check(year_released >= 1895),
unique (title, country, year_released)
foreign key(country)
references countries(country_code))
112

113. credits
113

114. movies
credits
114

115. people
movies
credits
115

116. people
movies
credits
116

117. 117

118. PROGRAM
118

119. PROGRAM
119

120. Prepare
the background
120

121. INSERT
SOME_TABLE
column1
column2
121

122. INSERT
SOME_TABLE
column1
column2
122

123. INSERT
SOME_TABLE
column1
column2
123

124. insert into table_name
(list of columns)
values (list of values)
124

125. insert into countries(country_code,
country_name, continent)
values('us', 'United States', 'AMERICA')
125

126. Reminder
Hello World
126

127. Reminder
HELLO WORLD
127

128. select * from countries
128

129. select * from countries
129

130. 1960
130

131. insert into movies(movieid,
title,
country,
year_released)
values (123,
'L''Avventura',
'it',
1960)
131

132. insert into movies(movieid,
title,
country,
year_released)
values (123,
'L''Avventura',
''
'it',
1960)
132

133. Entering
a date?
Flickr: Jason Dgreat
133

134. to_date(
'07/20/1969'
,
'MM/DD/YYYY')
134

135. SYSDATE
135

136. SYSDATE
CURDATE()
136

137. SYSDATE
CURDATE()
GETDATE()
137

138. FLickr:Steve Jurvetson
138

139. SQL : THE database language.
139

140. SQL : THE database language.
Connection : server, port, database, username,
password.
140

141. SQL : THE database language.
Connection : server, port, database, username,
password.
Create table: data types + constraints.
141

142. SQL : THE database language.
Connection : server, port, database, username,
password.
Create table: data types + constraints.
Keywords and identifiers: not case-sensitive
Data : can be CASE-SENSITIVE
142