1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t1 VALUES (100,'foobar'),(1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
SELECT * FROM t1;
a b
1 a
100 foobar
2 b
3 c
4 d
5 e
INSERT t1 VALUE (10,'foo'),(11,'abc');
SELECT * FROM t1;
a b
1 a
10 foo
100 foobar
11 abc
2 b
3 c
4 d
5 e
INSERT INTO t1 (b,a) VALUES ('test',0);
SELECT * FROM t1;
a b
0 test
1 a
10 foo
100 foobar
11 abc
2 b
3 c
4 d
5 e
INSERT INTO t1 VALUES (DEFAULT,DEFAULT);
SELECT * FROM t1;
a b
0 test
1 a
10 foo
100 foobar
11 abc
2 b
3 c
4 d
5 e
NULL NULL
INSERT t1 (a) VALUE (10),(20);
SELECT * FROM t1;
a b
0 test
1 a
10 NULL
10 foo
100 foobar
11 abc
2 b
20 NULL
3 c
4 d
5 e
NULL NULL
INSERT INTO t1 SET a = 11, b = 'f';
SELECT * FROM t1;
a b
0 test
1 a
10 NULL
10 foo
100 foobar
11 abc
11 f
2 b
20 NULL
3 c
4 d
5 e
NULL NULL
INSERT t1 SET b = DEFAULT;
SELECT * FROM t1;
a b
0 test
1 a
10 NULL
10 foo
100 foobar
11 abc
11 f
2 b
20 NULL
3 c
4 d
5 e
NULL NULL
NULL NULL
CREATE TABLE t2 (a <INT_COLUMN>, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t2 SELECT * FROM t1;
INSERT INTO t1 (a) SELECT a FROM t2 WHERE b = 'foo';
SELECT * FROM t1;
a b
0 test
1 a
10 NULL
10 NULL
10 foo
100 foobar
11 abc
11 f
2 b
20 NULL
3 c
4 d
5 e
NULL NULL
NULL NULL
INSERT t1 SELECT * FROM t1;
SELECT * FROM t1;
a b
0 test
0 test
1 a
1 a
10 NULL
10 NULL
10 NULL
10 NULL
10 foo
10 foo
100 foobar
100 foobar
11 abc
11 abc
11 f
11 f
2 b
2 b
20 NULL
20 NULL
3 c
3 c
4 d
4 d
5 e
5 e
NULL NULL
NULL NULL
NULL NULL
NULL NULL
DROP TABLE t1, t2;
|