SQL exercises Language  September 09, 09:32 MSK
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Poll
For what DBMS, besides SQL Server, you would like to have exercises on the site?
Oracle 57%
MySQL 27.8%
PostgreSQL 7.6%
Nothing is necessary any more 4%
Another 3.7%



Total Votes: 11655
 
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"Liberal" rating

Exercise solution time exceeding 6 hours is replaced by 6 hours.
Only 2nd and 3rd stage exercises are considered in solution time (Days_2).
Scores - sum of points on 2nd & 3rd stage exercises and DML exercises solved.

Involved in rating: 8874
Involved in second stage rating: 2180

NoPersonNumber of
Sel_ex		Last_SelNumber of
DML_ex		ScoresDaysDays_2LastSolvedLastVisit
1Kreslavskij O.M. (Arcan)14125322354131217.57303 Sep 2010 09 Sep 2010
2Karasyova N.V. (vlksm)13925322349155620.36109 Aug 2010 08 Sep 2010
3Sal'nikov S.A. ($erges)138253223468927.40906 Aug 2010 09 Sep 2010
4Dubinskij A.V. (_yizraor)1382532234682817.26604 Sep 2010 07 Sep 2010
5Zotov P.G. (Ozzy)1352532233986819.37126 Jul 2010 09 Sep 2010
6Drozdkov A.N. (anddros)133253223317907.53026 Jul 2010 09 Sep 2010
7Bojko D.M. (Angellore)12925222317108821.22630 Jul 2010 07 Sep 2010
8Derzhal'tsev V.A. (MadVet)12825322315196716.53904 Sep 2010 09 Sep 2010
9Yatsuk A.A. (Faust_zp)12225322314109312.37201 Feb 2010 22 May 2010
10Orlov M.V. (Eagleoff)1272532231385514.03420 Aug 2010 08 Sep 2010
11Tarasov D.B. (Gavrila)12525122309183014.89530 Aug 2010 09 Sep 2010
12Dvoryaninov V. (Valdaj)1202522228844312.76502 Sep 2010 09 Sep 2010
13Umrikhina E.V. (Umrikhina)109253222834889.55725 Aug 2009 06 Sep 2010
14Sukhnev D.A. (mz)11725122280151413.34901 Sep 2010 08 Sep 2010
15Kurochkin P.A. (qwrqwr)1171682228029014.29727 Aug 2010 09 Sep 2010
16Martynyuk (Wiedzmen)1162512227852010.55613 Aug 2010 06 Sep 2010
17Bezhaev A.Yu. (Baser)1152532227312313.11402 Sep 2010 09 Sep 2010
18Shindin A.V. (AlShin)1092512127168813.26906 Sep 2010 09 Sep 2010
19>Pechatnov V.V. (pvv)1082532126810569.82809 Sep 2010 09 Sep 2010
20Rybkina T.V. (Rybka)1111452226315614.18530 Aug 2010 08 Sep 2010
21Polyakov S.G. (Ivanoff Alex)1091422226143615.34811 Jun 2010 05 Aug 2010
22Fajnberg M.L. (burnall)1072512225838510.73605 Jul 2010 02 Sep 2010
23Senkevich S.V. (GreyC)972532125535811.99326 Jan 2009 01 Jan 2010
24Egorov A.B. (ABEgorov)102251222547528.60226 Feb 2010 09 Jul 2010
25Usik V.N. (Vladius)1061372225253511.83204 Sep 2010 04 Sep 2010
26Kudryakov A.I. (AKudrakov)1021522225175712.73805 Feb 2010 05 May 2010
27Valuev D.I. (Fiolent)10425122251250713.35916 Jul 2010 09 Sep 2010
28Nikotin V.M. (@Nikotin)95253212491086.73213 Dec 2008 07 Aug 2010
29Donskikh A.V. (Ridan)1042522224987413.79628 Jul 2010 30 Jul 2010
30Lyubchenko V.A. (IAS56)10125122249146519.34408 Sep 2010 09 Sep 2010
31Seleznyov A.S. (Artyom S.)952532124844410.20925 Jan 2009 08 Sep 2010
32Makarov I.A. (_Bkmz_)101251222477426.57523 Mar 2010 08 Sep 2010
33Mullakhanov R.Kh. (rem)96253222466493.34720 Jun 2009 02 Feb 2010
34Batyrshin R.N. (Ramses)105136222461749.31917 Aug 2010 08 Sep 2010
35Poltavets L.S. (lilyok)1021422224566312.15221 Jun 2010 07 Sep 2010
36Anisimov D. (danilko)9825322243325.76312 Aug 2009 17 Aug 2009
37Zaikin A.S. (Allex)991452224368511.86822 Mar 2010 01 Aug 2010
38Kotov A. (Ckpa6)101142222421417.83827 Apr 2010 27 Apr 2010
39Glazyrin D.S. (glassman)98252222425978.21727 Jan 2010 02 Aug 2010
40Nikolaenko A.V. (Shadow77)952532223976210.49213 Sep 2009 24 Mar 2010
41Sribnyak A. (silver)1011332223993315.22904 Sep 2010 08 Sep 2010
42Vas'kov E.V. (Johan)952522223712319.03101 Dec 2009 22 Mar 2010
43Vorob'ev E.V. (Johnnymnemonic)10013322236102014.45725 Aug 2010 06 Sep 2010
44Katyukova I.A. (IrinkaR)981292223411057.68830 Aug 2010 08 Sep 2010
45Ivakhnenko A. (alex.i)981362223333810.08515 Jul 2010 07 Sep 2010
46Gorbunov A.V. (risp)97136222326236.52924 Aug 2010 08 Sep 2010
47Murashkin I.V. (lepton)902512123211257.73921 Apr 2009 18 Apr 2010
48Borisenkov D.V. (xuser)97251222318444.11124 May 2010 08 Sep 2010
49Kurbanoff N.I. (Nariman Kurbanoff)961452223180915.76719 Jul 2010 06 Sep 2010
50Zavorotnev V.V. (vvz)922512223015674.53311 Nov 2009 01 Jun 2010
51Romanov K.Yu. (kostik)941372222934512.34218 Feb 2010 24 May 2010
52Kozhushko A.A. (Stasca)931382222962913.14117 Jan 2010 30 Aug 2010
53Krylov S.A. (Serg71)961272222955323.02810 Jun 2010 18 Jun 2010
54Blasova T.Yu. (vtan)951262222741312.16521 Jun 2010 21 Jun 2010
55Latfullin A.S. (Replikon)92252222261227.45615 Sep 2009 12 Jul 2010
56Rakovich A. (Lohmatyi)92139222254214.11405 Mar 2010 05 Mar 2010
57Voevutskij S.A. (SergLK)94137222253048.55417 Jun 2010 28 Jul 2010
58Puzen'kin A.I. (Fencer)9413722225165912.94308 Sep 2010 08 Sep 2010
59Perfilov B.V. (B o r i s)902522222466612.54631 Mar 2010 26 Aug 2010
60Mats V.V. (Easy-Human)9412522222546.68927 Aug 2010 07 Sep 2010
61Golubin R.S. (Roman Golubin)862512122112607.01929 Jan 2009 11 Jun 2010
62Tot'myanin S.A. (SCAT)87251212211037.34028 Mar 2009 04 Apr 2009
63Fris A.R. (ARF)93124222214889.40010 Jul 2010 10 Jul 2010
64Vil'danov M. (mar_vi)86251212181635.20229 Nov 2008 09 Sep 2010
65Sviridov K.Yu. (orange)891382221810256.54008 Sep 2010 08 Sep 2010
66Vojnov P.E. (paparome)862512221514702.12502 Sep 2009 16 Dec 2009
67Suprun D. (TimonSP)85142222153743.79729 Sep 2009 05 Aug 2010
68Slavutinskij V.V. (Vasilko)871382221514945.12008 Oct 2009 12 May 2010
69Fomchenkov V.N. (hamp)891312221530414.55821 Mar 2010 31 Jul 2010
70Fomichev A.V. (Fomichev)871372221417238.21030 Sep 2009 31 Dec 2009
71Williams (BW)871372221427214.56107 Nov 2009 08 Jun 2010
72Ushakov O.N. (uon)911232121478617.61716 Jul 2010 16 Jul 2010
73Sheremet S.P. (Baumanec)85138222133896.87618 Aug 2009 02 Dec 2009
74Soldatenkov Yu.S. (SolYUtor)83251212138198.99414 Aug 2008 19 Aug 2010
75Sysoev A.V. (Sysa)9014222213102510.14330 Aug 2010 01 Sep 2010
76Degtyar' S.B. (degt)901232221224348.88930 May 2010 15 Jul 2010
77Malyshok A.A. (Magnetic)901232221291413.62930 Jul 2010 08 Sep 2010
78iglbeat (iglbeat)82251212103608.29808 Aug 2008 25 Aug 2008
79Ol'shanskij A.V. (alx_ol)861362221040510.81020 Oct 2009 03 Sep 2010
80marat (lemon)84137222093304.63616 Jun 2009 16 Jun 2009
81Filiptsov A.V. (AlexPhil)84137222091545.16504 Aug 2009 14 May 2010
82Yakubova O. (Oxana)851392220971711.25117 Sep 2009 26 Aug 2010
83Turshev (Romul_T)871312120881613.78016 Jul 2010 24 Aug 2010
84Mitronin A.A. (mitronin)831372120721326.81401 May 2009 08 Jun 2010
85Medvedev V.V. (MeVit)87137222077028.60713 May 2010 21 Jul 2010
86Koryagin (shuricus)8313622205233.41524 Jun 2009 07 Jul 2009
87Evtisov S.S. (Minimal)83136222054019.08112 Jul 2009 27 Jun 2010
88Ostapchuk A.B. (_ORA_)841252220572912.11407 May 2010 28 May 2010
89Pesterev A. (PandNsk)82142212042293.12128 Sep 2008 08 Jun 2009
90Pokhmelkin A.Yu. (Corleone)83131222045425.70604 Mar 2010 20 Aug 2010
91Semaka A.A. (tolikas)83125222042318.15213 Mar 2010 08 Sep 2010
92Fedotova E.V. (Eka)861352220410098.30616 Apr 2010 17 Apr 2010
93Khil'ko V.M. (voledy)841382120450920.63526 Sep 2009 01 Jun 2010
94Rustem (Chesnok)84125222031252.68924 May 2010 29 Jul 2010
95Bagdasar'yan V.D. (vasya29)8312522202735.92531 Jan 2010 20 Apr 2010
96San'ko A.V. (count)85123221981454.31224 Aug 2010 25 Aug 2010
97Korobov I.V. (ivan.korobov)821372219811267.50226 Aug 2009 19 May 2010
98Levenkov S.N. (Cergej L)821282119510549.98421 Aug 2010 04 Sep 2010
99Ismailov A.R. (aklerk)821132218913311.30430 Aug 2010 31 Aug 2010
100Antanevich Y. (Avtolic)8313811782305.53214 Apr 2009 31 Dec 2009
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