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February 05, 20:49 MSK

SQL Exercises is intended for acquiring good practical experience, which is focused on data operation, namely on SQL DML. Certain exercises for beginners are provided on the site, they are supplied with the necessary reference source on SQL syntax with a great number of examples. Apart from them, 3 rating stages are suggested, they are aimed at testing of specialists and their certification. The source is absolutely free of charge, and the certificate purchase has a voluntary basis.
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SQL exercises

  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML

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Results of exercises voting

In this Section you can see the results of voting for the tasks of the second and the third stages (SELECT exercises) on 10-score scale.
In order to estimate the tasks (if you have solved these yet), click here.

No	Exercise #	Rank	Number of votes
1	147	10.0	13
2	155	10.0	11
3	165	10.0	8
4	186	10.0	7
5	190	10.0	2
6	176	9.9	8
7	146	9.8	19
8	154	9.8	10
9	172	9.8	9
10	178	9.8	4
11	183	9.8	4
12	164	9.7	11
13	167	9.7	9
14	101	9.6	45
15	152	9.6	14
16	161	9.6	9
17	160	9.6	9
18	182	9.6	5
19	102	9.5	25
20	174	9.5	16
21	156	9.5	15
22	168	9.5	11
23	151	9.5	11
24	187	9.5	6
25	179	9.5	6
26	184	9.5	4
27	181	9.5	4
28	87	9.4	101
29	100	9.4	53
30	166	9.4	18
31	162	9.4	18
32	153	9.4	10
33	163	9.4	9
34	180	9.4	8
35	138	9.3	43
36	80	9.3	34
37	175	9.3	13
38	253	9.3	13
39	23	9.3	9
40	116	9.2	63
41	137	9.2	45
42	170	9.2	16
43	149	9.2	13
44	158	9.2	12
45	72	9.1	142
46	148	9.1	21
47	171	9.1	8
48	123	9.0	67
49	110	9.0	62
50	141	9.0	20
51	157	9.0	9
52	106	8.9	67
53	86	8.9	47
54	130	8.9	30
55	145	8.9	21
56	173	8.9	15
57	177	8.9	13
58	169	8.9	10
59	185	8.9	9
60	159	8.9	9
61	142	8.8	29
62	254	8.8	13
63	125	8.7	54
64	134	8.7	44
65	143	8.7	17
66	96	8.6	105
67	76	8.6	79
68	71	8.6	77
69	126	8.6	58
70	140	8.6	23
71	150	8.6	13
72	92	8.5	59
73	114	8.5	51
74	66	8.4	120
75	111	8.4	50
76	128	8.4	49
77	91	8.4	35
78	68	8.3	150
79	85	8.3	63
80	139	8.3	28
81	133	8.3	18
82	61	8.2	114
83	98	8.2	66
84	107	8.2	55
85	118	8.2	48
86	74	8.1	108
87	65	8.1	105
88	67	8.1	81
89	84	8.1	75
90	105	8.1	57
91	82	8.1	54
92	136	8.1	34
93	54	8.0	245
94	89	8.0	83
95	103	8.0	53
96	115	8.0	43
97	94	8.0	28
98	81	7.9	87
99	124	7.9	44
100	132	7.9	29
101	120	7.9	25
102	50	7.8	99
103	109	7.8	50
104	99	7.8	37
105	40	7.7	148
106	34	7.7	110
107	36	7.7	68
108	122	7.7	48
109	69	7.7	19
110	58	7.6	143
111	70	7.6	111
112	97	7.6	52
113	113	7.6	44
114	33	7.5	95
115	56	7.5	90
116	47	7.5	87
117	77	7.5	85
118	135	7.5	32
119	49	7.4	163
120	30	7.4	140
121	41	7.4	129
122	90	7.4	64
123	127	7.4	38
124	129	7.4	36
125	144	7.4	16
126	53	7.3	204
127	60	7.3	156
128	28	7.3	142
129	64	7.3	133
130	52	7.3	103
131	26	7.3	99
132	95	7.3	55
133	29	7.3	54
134	119	7.3	46
135	251	7.3	21
136	37	7.2	159
137	62	7.2	151
138	57	7.2	135
139	42	7.2	127
140	45	7.2	113
141	79	7.2	78
142	121	7.2	55
143	93	7.2	52
144	112	7.2	43
145	75	7.2	43
146	108	7.1	50
147	252	7.1	14
148	55	7.0	183
149	51	7.0	100
150	63	7.0	73
151	117	7.0	42
152	48	6.9	123
153	59	6.9	82
154	78	6.9	53
155	25	6.8	168
156	35	6.8	89
157	83	6.8	72
158	73	6.8	48
159	32	6.7	185
160	38	6.7	124
161	43	6.6	81
162	31	6.5	155
163	39	6.5	113
164	44	6.5	110
165	131	6.4	32
166	88	6.2	81
167	104	6.2	39
168	27	6.1	161
169	46	6.0	144

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