SQL exercises

November 21, 11:42 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 #254

No	Surname	Seconds	dd hh:mm:ss	Date
1	Bezhaev A.Yu. (Baser)	7	0 00:00:07	2011-09-02
2	Dubinskij A.V. (_velial)	4363	0 01:12:43	2011-10-10
3	Krasovskij E.A. (pegoopik)	4551	0 01:15:51	2011-12-04
4	Sal'nikov S.A. ($erges)	5041	0 01:24:01	2011-09-05
5	Vakhrameev A. (WY)	5667	0 01:34:27	2013-04-30
6	Fokin A. (Vizitor )	6693	0 01:51:33	2015-04-15
7	Vyazovetskov A.S. (alex_v)	6886	0 01:54:46	2013-01-09
8	Zajtsev V.S. (Sleeping)	7170	0 01:59:30	2014-02-04
9	Fedevych V.I. (labuch_fedev)	7965	0 02:12:45	2015-04-05
10	Karasyova N.V. (vlksm)	8020	0 02:13:40	2011-09-03
11	Agapov V. (KERBEROS)	8960	0 02:29:20	2013-03-28
12	Halushka B. (halushka)	10245	0 02:50:45	2015-07-15
13	Boiko D. (Angellore)	10401	0 02:53:21	2011-10-16
14	Kuznetsov V.S. (herrRo)	10810	0 03:00:10	2011-09-05
15	Skorohod I. (Dracul4ik)	11022	0 03:03:42	2015-01-28
16	Shaymardanov M.M. (xLiSPirit)	14704	0 04:05:04	2012-01-16
17	Grinkevich D.L. (Dmitrij Grinkevich)	14785	0 04:06:25	2012-11-01
18	Filippkin D.V. (_dimon_)	15462	0 04:17:42	2011-12-20
19	Movlyanov A.P. (Oct)	17838	0 04:57:18	2013-11-13
20	Yatsuk A.A. (Faust_zp)	19255	0 05:20:55	2011-10-05
21	Tarasov D.B. (Gavrila)	19489	0 05:24:49	2011-09-12
22	Kalinin K.A. (kalinin_k)	20972	0 05:49:32	2011-12-25
23	Pusev D.V. (Pusev_Denis)	21010	0 05:50:10	2020-02-15
24	Timofeeva E.V. (Umrikhina)	25182	0 06:59:42	2016-06-02
25	Kurochkin P.A. (qwrqwr)	27826	0 07:43:46	2011-09-05
26	Latyntsev N.G. (aks_nsk)	28403	0 07:53:23	2018-04-22
27	Zin4uk V. (Zin4uk Vadim)	30073	0 08:21:13	2012-01-08
28	Ilyasov V. (VadimI)	32295	0 08:58:15	2017-02-26
29	Koptel'tsev V. (selber)	56949	0 15:49:09	2017-01-19
30	Shkarednyj I.N. (Gosha)	59088	0 16:24:48	2019-08-07
31	Kukushkin S.A. (smog)	67935	0 18:52:15	2013-06-09
32	Doschenko V.N. (mcrain)	77705	0 21:35:05	2017-07-12
33	Pavlov A.V. (Anton)	78815	0 21:53:35	2016-02-21
34	F (uff)	78823	0 21:53:43	2015-10-13
35	Utyonkov M.N. (=Maxim=)	80163	0 22:16:03	2011-10-23
36	Aliev R. (y4nzi)	103765	1 04:49:25	2017-09-01
37	Petrov Y. (YuriPetrov)	113431	1 07:30:31	2014-11-26
38	Orlov M.V. (Eagleoff)	139627	1 14:47:07	2011-10-17
39	Kreslavskij O.M. (Arcan)	173273	2 00:07:53	2011-09-06
40	Chebykin D. (GriGrim)	203149	2 08:25:49	2012-06-07
41	Chernov D.V. (Kursist)	268818	3 02:40:18	2018-03-18
42	Khromulyak O.M. (ChOleg)	349207	4 01:00:07	2015-07-20
43	X D. (railgun3r)	823481	9 12:44:41	2011-10-20
44	Williams B. (BW)	1013353	11 17:29:13	2015-02-21
45	Varenikov D.M. (Dmitriy Varenikov)	204984656	2372 12:10:56	2020-07-13

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