SQL exercises

January 28, 02:16 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 on latest exercises
  • "Liberal" rating
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  • Top 10 (photos)
  • Last-week results
  • Rating of second-stage exercises (average)
  • Rating of 2nd-stage exercises (median)
  • Author's rating  • 2nd stage rating up to exercise:
   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

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  • Сhanges in exercises' TOP 10
  • Results' chart

SQL exercises

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      choosing DBMS)
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Top 100 results shown on the exercise #149

No	Surname	Seconds	dd hh:mm:ss	Date
1	Sal'nikov S.A. ($erges)	12	0 00:00:12	2008-09-08
2	Krasovskij E.A. (pegoopik)	4440	0 01:14:00	2014-07-15
3	Drozdkov A.N. (anddros)	13577	0 03:46:17	2009-06-29
4	Kuznetsov V.S. (herrRo)	20207	0 05:36:47	2011-03-25
5	Bezhaev A.Yu. (Baser)	23924	0 06:38:44	2010-12-19
6	Dubinskij A.V. (_velial)	56887	0 15:48:07	2010-02-17
7	Boiko D. (Angellore)	69267	0 19:14:27	2012-01-29
8	Pusev D.V. (Pusev_Denis)	98603	1 03:23:23	2021-01-03
9	Tarasov D.B. (Gavrila)	106813	1 05:40:13	2010-11-12
10	Filippkin D.V. (_dimon_)	107698	1 05:54:58	2012-12-20
11	Nikotin V.M. (@Nikotin)	146774	1 16:46:14	2008-10-28
12	Yatsuk A.A. (Faust_zp)	155301	1 19:08:21	2009-09-05
13	Aliev R. (y4nzi)	173447	2 00:10:47	2017-10-18
14	Derzhal'tsev V.A. (MadVet)	181161	2 02:19:21	2010-07-07
15	Vyazovetskov A.S. (alex_v)	181230	2 02:20:30	2018-03-28
16	Timofeeva E.V. (Umrikhina)	185220	2 03:27:00	2009-03-21
17	Agapov V. (KERBEROS)	192696	2 05:31:36	2013-03-01
18	Sviridov K.Yu. (orange)	229060	2 15:37:40	2011-06-15
19	Shkarednyj I.N. (Gosha)	234549	2 17:09:09	2018-03-22
20	Karasyova N.V. (vlksm)	241058	2 18:57:38	2008-09-18
21	Seleznyov A.S. (Artyom S.)	268754	3 02:39:14	2008-09-17
22	Doschenko V.N. (mcrain)	370256	4 06:50:56	2018-07-03
23	Senkevich S.V. (GreyC)	431145	4 23:45:45	2008-12-25
24	Pechatnov V.V. (pvv)	527671	6 02:34:31	2008-10-06
25	Mullakhanov R.Kh. (rem)	677744	7 20:15:44	2008-12-09
26	Kreslavskij O.M. (Arcan)	699329	8 02:15:29	2008-10-08
27	Kurochkin P.A. (qwrqwr)	786067	9 02:21:07	2010-09-26
28	Kukushkin S.A. (smog)	949021	10 23:37:01	2017-08-29
29	Kostomarov A.V. (al29)	1065122	12 07:52:02	2014-10-21
30	Orlov M.V. (Eagleoff)	1122938	12 23:55:38	2010-08-16
31	Chernov D.V. (Kursist)	1370260	15 20:37:40	2018-07-26
32	Zotov P.G. (Ozzy)	2060188	23 20:16:28	2009-03-08
33	Movlyanov A.P. (Oct)	15813057	183 00:30:57	2014-11-21
34	Shindin A.V. (AlShin)	35664539	412 18:48:59	2010-02-22

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