SQL exercises

June 13, 14:05 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

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      choosing DBMS)
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Top 100 results shown on the exercise #143

No	Surname	Seconds	dd hh:mm:ss	Date
1	Radar Yu.V. (inkerman)	4	0 00:00:04	2007-10-07
2	Kuznetsov V.S. (herrRo)	22422	0 06:13:42	2011-05-11
3	Krasovskij E.A. (pegoopik)	27534	0 07:38:54	2013-05-31
4	Kalinin K.A. (kalinin_k)	28836	0 08:00:36	2012-01-03
5	Nikotin V.M. (@Nikotin)	44745	0 12:25:45	2008-10-15
6	Makarov I.A. (_Bkmz_)	61054	0 16:57:34	2026-06-13
7	Suprun D. (TimonSP)	100957	1 04:02:37	2016-09-28
8	Timofeeva E.V. (Umrikhina)	112418	1 07:13:38	2009-01-14
9	Agapov V. (KERBEROS)	143013	1 15:43:33	2013-01-18
10	Vyazovetskov A.S. (alex_v)	174346	2 00:25:46	2012-07-06
11	Gmar' D.V. (dimervvsu)	178315	2 01:31:55	2022-05-24
12	Vakhrameev A. (WY)	202419	2 08:13:39	2014-01-05
13	Belogurova K. (Katy_Ekb)	203755	2 08:35:55	2007-10-27
14	Sal'nikov S.A. ($erges)	203890	2 08:38:10	2008-04-10
15	Pechatnov V.V. (pvv)	277405	3 05:03:25	2008-01-08
16	Dubinskij A.V. (_velial)	307110	3 13:18:30	2010-01-26
17	Bezhaev A.Yu. (Baser)	325900	3 18:31:40	2010-11-21
18	Kreslavskij O.M. (Arcan)	426929	4 22:35:29	2007-10-26
19	Tarasov D.B. (Gavrila)	433319	5 00:21:59	2010-08-30
20	Drozdkov A.N. (anddros)	435490	5 00:58:10	2009-01-19
21	Senkevich S.V. (GreyC)	443201	5 03:06:41	2008-12-08
22	Karasyova N.V. (vlksm)	561748	6 12:02:28	2007-10-17
23	Doschenko V.N. (mcrain)	600237	6 22:43:57	2017-04-06
24	Fokin A. (Vizitor )	679351	7 20:42:31	2012-04-12
25	Sarkis'yan G. (gennadi_s)	679510	7 20:45:10	2024-08-30
26	Sviridov K.Yu. (orange)	680013	7 20:53:33	2011-05-22
27	Zin4uk V. (Zin4uk Vadim)	711394	8 05:36:34	2012-07-11
28	Derzhal'tsev V.A. (MadVet)	799321	9 06:02:01	2008-02-18
29	Golubin R.S. (Roman Golubin)	836469	9 16:21:09	2007-10-22
30	Grinkevich D.L. (Dmitrij Grinkevich)	860807	9 23:06:47	2013-05-26
31	X D. (railgun3r)	872098	10 02:14:58	2011-10-02
32	Seleznyov A.S. (Artyom S.)	874335	10 02:52:15	2008-09-11
33	Boiko D. (Angellore)	893346	10 08:09:06	2010-03-18
34	Orlov M.V. (Eagleoff)	954234	11 01:03:54	2010-05-07
35	Koptel'tsev V. (selber)	1296124	15 00:02:04	2025-01-29
36	Chernov D.V. (Kursist)	1306214	15 02:50:14	2019-09-15
37	Kurochkin P.A. (qwrqwr)	1430982	16 13:29:42	2010-06-01
38	Filippkin D.V. (_dimon_)	1737838	20 02:43:58	2011-11-16
39	Kostomarov A.V. (al29)	4228394	48 22:33:14	2014-07-29
40	Zotov P.G. (Ozzy)	4350995	50 08:36:35	2008-10-25
41	Yatsuk A.A. (Faust_zp)	4910357	56 19:59:17	2009-09-02
42	Komarov A.N. (Shveda Saulya)	5027990	58 04:39:50	2021-04-07
43	Lyubchenko V.A. (IAS56)	6147253	71 03:34:13	2008-01-10
44	Shindin A.V. (AlShin)	6751979	78 03:32:59	2011-02-21
45	Shaymardanov M.M. (xLiSPirit)	9837484	113 20:38:04	2012-09-03
46	Movlyanov A.P. (Oct)	16948041	196 03:47:21	2014-05-12
47	Kukushkin S.A. (smog)	26787214	310 00:53:34	2013-03-15
48	Williams B. (BW)	34854697	403 09:51:37	2016-04-30
49	Azbel' E.G. (enull)	85775504	992 18:31:44	2018-02-21

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