SQL exercises

August 08, 07:20 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 10 (photos)
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  • Rating of second-stage exercises (average)
  • Rating of 2nd-stage exercises (median)
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   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

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SQL exercises

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      choosing DBMS)
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Top 100 results shown on the exercise #169

No	Surname	Seconds	dd hh:mm:ss	Date
1	Dvoryaninov V. (Valdaj)	40	0 00:00:40	2010-09-02
2	Sal'nikov S.A. ($erges)	7043	0 01:57:23	2011-03-30
3	Filippkin D.V. (_dimon_)	10145	0 02:49:05	2012-06-25
4	Drozdkov A.N. (anddros)	12283	0 03:24:43	2011-02-10
5	Vyazovetskov A.S. (alex_v)	26554	0 07:22:34	2015-04-14
6	Derzhal'tsev V.A. (MadVet)	29299	0 08:08:19	2010-10-20
7	Kalinin K.A. (kalinin_k)	38175	0 10:36:15	2012-06-30
8	Kuznetsov V.S. (herrRo)	39928	0 11:05:28	2011-03-01
9	Pusev D.V. (Pusev_Denis)	47355	0 13:09:15	2020-12-26
10	Kreslavskij O.M. (Arcan)	64586	0 17:56:26	2010-09-03
11	Krasovskij E.A. (pegoopik)	65981	0 18:19:41	2011-02-13
12	Dubinskij A.V. (_velial)	73342	0 20:22:22	2011-01-05
13	Karasyova N.V. (vlksm)	78431	0 21:47:11	2010-09-30
14	Orlov M.V. (Eagleoff)	82576	0 22:56:16	2010-11-26
15	Movlyanov A.P. (Oct)	86534	1 00:02:14	2014-12-25
16	Aliev R. (y4nzi)	87692	1 00:21:32	2017-10-27
17	Shindin A.V. (AlShin)	91159	1 01:19:19	2011-04-08
18	Bezhaev A.Yu. (Baser)	91998	1 01:33:18	2010-12-03
19	Tarasov D.B. (Gavrila)	99896	1 03:44:56	2010-12-01
20	Yatsuk A.A. (Faust_zp)	101896	1 04:18:16	2011-11-02
21	Boiko D. (Angellore)	117215	1 08:33:35	2010-11-29
22	Shaymardanov M.M. (xLiSPirit)	182995	2 02:49:55	2012-09-07
23	Kurochkin P.A. (qwrqwr)	186124	2 03:42:04	2010-10-20
24	Chernov D.V. (Kursist)	189090	2 04:31:30	2019-03-05
25	Kukushkin S.A. (smog)	198328	2 07:05:28	2013-07-11
26	Doschenko V.N. (mcrain)	260796	3 00:26:36	2018-04-13
27	Kostomarov A.V. (al29)	269580	3 02:53:00	2015-12-24
28	Fedevych V.I. (labuch_fedev)	348013	4 00:40:13	2015-05-02
29	Varenikov D.M. (Dmitriy Varenikov)	426053	4 22:20:53	2017-06-05
30	Grinkevich D.L. (Dmitrij Grinkevich)	52552533	608 05:55:33	2015-05-05

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