SQL exercises

February 25, 09:29 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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Top 100 results shown on the exercise #9

No	Surname	Seconds	dd hh:mm:ss	Date
1	Chobitok V. (vasia armor)	11	0 00:00:11	2010-05-22
2	Basharin E. (eaniconer)	539	0 00:08:59	2017-04-06
3	Kurochkin P.A. (qwrqwr)	566	0 00:09:26	2010-05-24
4	Yatsuk A.A. (Faust_zp)	643	0 00:10:43	2011-08-12
5	Tainstvennyj A. (Astralis)	664	0 00:11:04	2011-08-08
6	Asov (pofig)	668	0 00:11:08	2010-06-27
7	Sal'nikov S.A. ($erges)	746	0 00:12:26	2010-06-21
8	Drozdov I.D. (igor_sausage)	786	0 00:13:06	2018-09-30
9	Sanko A. (count)	796	0 00:13:16	2010-05-25
10	Timofeeva E.V. (Umrikhina)	817	0 00:13:37	2010-11-15
11	Drozdkov A.N. (anddros)	841	0 00:14:01	2010-05-25
12	Petuhov A. (APetuhov)	855	0 00:14:15	2012-08-01
13	Iljy (iljy)	881	0 00:14:41	2010-05-26
14	Dyomin A. (Dyoma)	905	0 00:15:05	2013-09-10
15	F S.S. (GR85)	913	0 00:15:13	2011-10-04
16	Bystrov A.N. (Wind84)	930	0 00:15:30	2012-09-07
17	Makarov S.S. (qwerty12345678zxcvb)	933	0 00:15:33	2017-03-29
18	Kozyr' D.V. (the_kodv)	936	0 00:15:36	2013-04-17
19	Belous O.S. (belous)	938	0 00:15:38	2011-08-15
20	Agapov V. (KERBEROS)	961	0 00:16:01	2012-12-04
21	yanzi (yanzi)	961	0 00:16:01	2012-11-09
22	Grischenko S.V. (SergeyKiev)	965	0 00:16:05	2010-11-09
23	Martynyuk (Wiedzmen)	979	0 00:16:19	2010-05-25
24	Shindin A.V. (AlShin)	983	0 00:16:23	2011-03-10
25	pal (pal-)	983	0 00:16:23	2011-12-20
26	s (korser)	996	0 00:16:36	2013-01-12
27	Tsarapkin D.I. (Tsarapkin)	1000	0 00:16:40	2015-09-25
28	alex (szaszalex83)	1001	0 00:16:41	2016-09-08
29	Lapaev M.A. (Si1entAssass1N)	1010	0 00:16:50	2016-07-01
30	Kumachev M.M. (Ceridan)	1018	0 00:16:58	2014-01-29
31	Chukavin M. (rfv45uklwd)	1028	0 00:17:08	2017-02-14
32	Kovtunov K.A. (iiyama0x4C)	1049	0 00:17:29	2016-07-25
33	Semyonov I.D. (Robomove)	1067	0 00:17:47	2016-07-09
34	Gafarov A.Kh. (toZkopan)	1083	0 00:18:03	2014-01-07
35	Morozov A.V. (DeadmoroZ)	1086	0 00:18:06	2018-09-27
36	Tarasevich S. (Aprilfire)	1095	0 00:18:15	2012-07-02
37	Ladonkin (Divankin)	1108	0 00:18:28	2013-02-28
38	Khaplanov A. (MatArs)	1118	0 00:18:38	2011-07-08
39	Osadchij V.V. (Mathematician)	1145	0 00:19:05	2010-06-26
40	Petrov Y. (YuriPetrov)	1155	0 00:19:15	2011-04-06
41	Grecha (grecha)	1175	0 00:19:35	2013-10-09
42	Demin D. (demind74)	1179	0 00:19:39	2018-10-20
43	Korolev A. (Gluck)	1179	0 00:19:39	2010-05-24
44	Kolyaskina E.N. (Katenchik89)	1191	0 00:19:51	2015-01-26
45	Schepin N. (nikz2710s)	1193	0 00:19:53	2015-07-24
46	Trushakov Yu. (Jager1991)	1201	0 00:20:01	2018-02-07
47	Tarasenkov A.V. (tarasenkov)	1203	0 00:20:03	2012-08-16
48	Utyonkov M.N. (=Maxim=)	1205	0 00:20:05	2011-07-25
49	Hughes (Kristen)	1212	0 00:20:12	2011-05-03
50	Gromov A.P. (grap)	1217	0 00:20:17	2010-06-06
51	Petrakova M. (marina_petrakova)	1217	0 00:20:17	2018-12-12
52	Szen K. (occulta)	1224	0 00:20:24	2010-07-04
53	Sidorov A.S. (AlexAndNN)	1230	0 00:20:30	2017-07-04
54	Sorokin D.Yu. (cth)	1232	0 00:20:32	2018-03-13
55	Gibson M. (gothick_matt)	1245	0 00:20:45	2010-06-04
56	Kolos O. (the_bald)	1251	0 00:20:51	2015-01-29
57	Tarasenko D.V. (tdv)	1254	0 00:20:54	2013-12-21
58	Selivanov E. (Tinar)	1255	0 00:20:55	2016-12-18
59	Golubev D.S. (DmitryGolubev)	1255	0 00:20:55	2011-01-17
60	Rustem (Chesnok)	1261	0 00:21:01	2010-12-22
61	Alekseev A.V. (Caraul)	1261	0 00:21:01	2011-04-15
62	margo (NewNice)	1261	0 00:21:01	2010-07-09
63	Komarov S. (sergkom)	1272	0 00:21:12	2012-06-27
64	Kreslavskij O.M. (Arcan)	1273	0 00:21:13	2010-05-22
65	Sviridov K.Yu. (orange)	1283	0 00:21:23	2010-09-08
66	Gubar' D.K. (DEathkNIghtS)	1295	0 00:21:35	2013-06-16
67	Morozov G. (uchenic1989)	1310	0 00:21:50	2013-03-29
68	Tsuranov E.V. (Tsuranov Eduard)	1339	0 00:22:19	2012-11-15
69	Pominova I.S. (samouchka)	1342	0 00:22:22	2013-01-15
70	Stsiborskij S.S. (Sergey Stsiborsky)	1343	0 00:22:23	2015-02-06
71	Sidorov A.P. (salex66)	1343	0 00:22:23	2015-07-02
72	Shishkanova E.V. (Vred)	1346	0 00:22:26	2012-02-08
73	Bezgin (TonyKas)	1367	0 00:22:47	2017-10-30
74	Sukharev V.V. (YodaS)	1369	0 00:22:49	2010-05-31
75	Borisenkov D.V. (xuser)	1370	0 00:22:50	2010-05-22
76	Gajdukov D.I. (BaoBab)	1371	0 00:22:51	2012-04-15
77	Osin V. (anyman1979)	1373	0 00:22:53	2017-09-16
78	Korabel'nikova K.A. (Wahrheit)	1376	0 00:22:56	2011-02-15
79	Shayakhmetov V. (DBN)	1381	0 00:23:01	2013-01-09
80	Kazakov I.B. (nipah~~~)	1386	0 00:23:06	2017-01-27
81	gavgav (gromik246)	1400	0 00:23:20	2016-06-27
82	Karmanova (MirrayMixxx)	1401	0 00:23:21	2016-09-14
83	Zajtsev V.S. (Sleeping)	1405	0 00:23:25	2013-10-17
84	Ivanova O.A. (_Olga24)	1417	0 00:23:37	2014-08-07
85	Bradley (bcbradley)	1421	0 00:23:41	2012-03-08
86	Sukhnev D.A. (mz)	1426	0 00:23:46	2010-05-22
87	Valeev R.D. (ValRus)	1431	0 00:23:51	2020-02-10
88	Kalinin K.A. (kalinin_k)	1432	0 00:23:52	2011-06-19
89	Mescheryakova G.E. (GK)	1452	0 00:24:12	2014-05-27
90	Brezitskij S. (brizsergey)	1454	0 00:24:14	2018-01-18
91	Novozhilov A. (BertokMo)	1458	0 00:24:18	2020-02-07
92	E (captainX)	1458	0 00:24:18	2019-11-04
93	Fogel' A. (Hockmoon)	1463	0 00:24:23	2013-12-26
94	Pronin Ya.S. (Pronin Yakov Sergeevich)	1467	0 00:24:27	2015-02-16
95	Lupanov (LockedMind)	1477	0 00:24:37	2016-05-27

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