SQL exercises
Language 
March 26, 02:07 MSK
Login:

Password:

forgot password?
Registration

Personal page
Developers & Thanks
For employers
References
Feedback
Support SQL-EX.RU



Rating of 2nd-stage exercises (median)

Rating of second-stage exercises (average)
No - exercise number; Bonus - level of difficulty;
Solved - number of visitors, who have solved this exercise;
Time(min) - the median time (calculated over all participants) that has been spent for solution in minutes;
noOK - number of visitors, who have not solved this exercise yet.
(Click on a cell to see list of these);
Length - wording length in symbols;
Rank - average score on a result of voting.

NoBonusSolvedTime(min)noOKLengthAuthorDateRank
21749318714549pegoopik2015-08-289.2 (5)
237321576121123Baser2022-05-1310.0 (1)
1474281459321213$erges2010-08-069.7 (19)
157324129252960anddros2009-06-059.6 (15)
1633191140801640Ozzy2010-01-089.6 (14)
1435461133314946inkerman2007-10-078.8 (30)
214411101030433pegoopik2015-05-3010.0 (7)
15532798932761vlksm2009-04-179.9 (18)
25942293702276anddros2009-08-249.5 (13)
21631186811279pegoopik2015-05-159.9 (8)
181415848911869Ozzy2011-10-089.7 (10)
194415799711461pegoopik2012-07-1310.0 (11)
23435747611481Kursist2020-02-289.7 (3)
253330727871097$erges2008-05-178.9 (20)
257417646712758pegoopik2012-02-209.4 (13)
16132263703889Ozzy2009-11-069.3 (18)
224311636301979selber2017-04-149.5 (8)
1385146622833949Cyrilus2005-12-099.1 (65)
206414612701484Baser2013-11-239.1 (12)
2302859201728pegoopik2018-07-279.8 (5)
2313659030787mcrain2018-08-2410.0 (4)
21121457911588Baser2014-06-309.8 (9)
25541456664793vlksm2012-02-149.8 (9)
22521155710737pegoopik2017-07-159.9 (7)
22937546811532al292018-03-239.7 (6)
16032747310961Ozzy2009-08-079.6 (17)
19041746831717vlksm2012-03-178.9 (14)
15931744801565anddros2012-07-228.2 (14)
22037438811175pegoopik2016-12-1710.0 (4)
19131442120948qwrqwr2012-06-089.5 (11)
15442642003848anddros2009-03-189.9 (17)
25223539183308Ozzy2009-06-148.4 (23)
14933538912506$erges2008-09-089.2 (21)
171319368211670Ozzy2010-12-059.3 (15)
218413349121500al292016-04-049.6 (8)
1165247347920469$erges2008-12-139.4 (119)
189415335001563Baser2012-02-058.6 (12)
178323330211680Baser2011-08-139.1 (15)
119510931994703Velmont2014-03-079.6 (58)
18831731911733qwrqwr2012-02-049.8 (12)
151335319041096anddros2008-12-309.0 (20)
172322309701719Ozzy2011-03-119.8 (16)
20831430630821pegoopik2013-12-208.8 (12)
16732430320674qwrqwr2011-01-189.9 (15)
15625130043391anddros2009-04-179.1 (29)
18732629650978=Maxim=2011-12-318.8 (21)
2323629400513al292018-08-2010.0 (5)
14444629284950pvv2008-01-017.3 (29)
1004252291610650qwrqwr2010-04-279.4 (126)
153337277941539Ozzy2009-02-149.5 (20)
102418426878933GriGrim2011-07-169.5 (87)
221217253911023Baser2016-11-058.9 (10)
22321323570641Baser2016-11-129.9 (8)
17931723290844pegoopik2011-09-179.2 (12)
141480222510977vlksm2006-10-299.0 (36)
21021521320483_dimon_2014-02-0710.0 (11)
10142182125161096pegoopik2010-11-209.4 (116)
120410620082239pegoopik2014-02-149.0 (52)
14537120071859pvv2008-01-078.6 (33)
18422619531432Baser2011-11-268.9 (20)
227310194812142mcrain2017-12-087.3 (6)
164237194311622anddros2010-04-269.7 (22)
14826719247894vlksm2008-09-069.3 (35)
72410251917149608paparome2005-12-039.2 (276)
984585190044538ZrenBy2003-09-018.2 (131)
20521618770529qwrqwr2013-11-228.9 (10)
19322217980522Baser2012-07-068.3 (15)
15043717804909@Nikotin2008-11-098.6 (21)
182323171701377Baser2011-10-298.1 (17)
874640167489459Roman Golubin2006-07-149.3 (181)
893417165831870_Bkmz_2008-06-217.9 (158)
18323016112518GriGrim2011-11-129.1 (15)
1374191160725616Cyrilus2005-03-069.2 (67)
14636216063949paparome2008-01-229.7 (34)
200319158601129qwrqwr2013-10-059.3 (13)
222214158311475pegoopik2016-12-239.8 (9)
175330154812151pegoopik2011-04-288.5 (22)
165230154431600vlksm2010-03-189.9 (18)
228119154011419qwrqwr2018-01-1210.0 (11)
121340815273804ZrenBy2004-02-267.7 (99)
169331151901559Valdaj2010-09-028.5 (22)
19632514940661qwrqwr2013-05-179.4 (15)
17633114840385qwrqwr2011-05-209.5 (21)
21921714820486pegoopik2016-04-089.9 (9)
136311414805618Ozzy2011-05-127.5 (50)
1323111145342500risp2010-01-257.7 (55)
19822314441332Angellore2013-09-139.4 (16)
152347142041301vlksm2009-01-059.7 (27)
18033213750274qwrqwr2011-09-169.6 (24)
763459137316949silver2010-01-238.8 (182)
199320135001448Baser2013-08-178.4 (14)
21322613460369qwrqwr2014-10-179.6 (15)
12332481343381254Ozzy2009-08-229.0 (116)
158338133001174Ozzy2010-04-098.9 (23)
21522313260331pegoopik2015-03-069.3 (13)
13536513232854qwrqwr2013-04-198.9 (34)
21231613190585Baser2014-10-148.9 (10)
16824313102455qwrqwr2010-08-279.5 (25)
8533701281191397Ozzy2009-10-108.5 (143)
69217812807210Gosha2017-12-159.1 (61)
8233921279121780_Virt_2010-04-278.2 (145)
106328412716647vlksm2008-11-278.8 (124)
20731712550486pegoopik2016-01-1510.0 (9)
683298124225608pegoopik2014-08-018.1 (117)
186137121501447Ozzy2011-12-309.2 (24)
7723121211331053selber2015-07-108.7 (131)
963416119881572anddros2008-11-228.8 (166)
653722117750671Ozzy2010-01-297.7 (256)
17315211723945Ozzy2011-01-139.3 (28)
843420114016815Ozzy2009-12-268.4 (154)
93317111225492qwrqwr2014-03-149.3 (72)
572165106116537Kursist2020-10-108.3 (49)
134317610034821pvv2008-01-228.5 (71)
23311693012321pegoopik2019-03-0810.0 (9)
37378488825576qwrqwr2013-02-228.0 (264)
71354679723941anddros2009-12-268.4 (191)
1402827202578_Bkmz_2010-01-308.9 (41)
12533747043526dimzv2004-02-298.7 (93)
1851436883782=Maxim=2011-11-257.9 (25)
1953266580722Dmitrij Grinkevich2013-04-209.1 (15)
110343465811942Snowbear2006-03-148.9 (117)
22631065222054pegoopik2017-10-149.3 (6)
126218660112944$erges2008-09-078.6 (91)
2514685943850paparome2006-10-018.0 (29)
16225959201067Ozzy2009-12-269.3 (34)
58363757812397qwrqwr2013-03-018.2 (220)
30721955301095Baser2017-06-298.5 (11)
17415653501084qwrqwr2011-02-259.3 (32)
13021205340700anddros2010-05-228.9 (59)
2022295040557qwrqwr2013-11-019.1 (16)
9931984818956Dmitrij Grinkevich2012-05-058.3 (80)
66367747754392anddros2009-12-268.5 (254)
10724074679688Fiolent2004-02-268.1 (101)
64361343449506qwrqwr2010-05-138.1 (192)
25414542011383Baser2011-09-028.8 (27)
1272614062985GriGrim2014-12-217.9 (27)
1771533900935pegoopik2011-07-178.5 (26)
14221153791944paparome2007-03-249.0 (48)
1661613751449anddros2010-07-269.5 (31)
10832823705521crescent2011-03-238.9 (114)
80234636410453qwrqwr2011-10-219.0 (139)
2331576363124307Palkin2007-03-298.4 (380)
1152813481736selber2016-05-289.1 (34)
1702553321320qwrqwr2010-10-249.0 (27)
2091333191735Baser2013-12-308.0 (15)
9225613109405paparome2006-07-268.5 (124)
13921262952907Snowbear2006-09-098.3 (44)
45246728515473dumkan2016-04-038.0 (128)
363105127523786risp2011-05-068.0 (317)
11124562713545Fiolent2005-01-198.3 (102)
47397226214554qwrqwr2010-11-208.1 (296)
413114026118253qwrqwr2010-04-268.1 (360)
292110125639799GiBis2011-09-177.5 (342)
542136024744796Ozzy2008-09-068.2 (469)
6032081246119313Serge I2005-03-057.8 (338)
12144424448348Serge I2019-04-127.2 (105)
2622142430740selber2019-06-217.0 (7)
67258723317729Ozzy2010-04-278.3 (208)
2041342321366anddros2013-11-198.7 (17)
11824292311206Fiolent2004-01-058.2 (91)
13329222801614pickman2011-07-018.2 (47)
9122282151642smog2012-05-269.1 (93)
10521422110610Baser2013-09-208.6 (55)
342119721127765qwrqwr2010-09-247.9 (360)
12922752027658DimaN2004-03-017.5 (59)
12211371972725Dmitrij Grinkevich2012-09-145.9 (56)
4325461944597qwrqwr2015-04-248.4 (172)
7524041864644qwrqwr2011-07-227.5 (148)
40132218410398Serge I2018-09-077.0 (84)
2602521830999qwrqwr2012-02-037.7 (35)
2382518001143Baser2022-05-138.0 (3)
202151517931327VIG2003-09-018.0 (344)
1312931771498GriGrim2012-05-258.6 (43)
8623531750433Ozzy2010-03-058.6 (119)
62272817511576Dmitrij Grinkevich2012-02-118.0 (226)
492120217022891anddros2009-06-057.9 (375)
26113516911495Fomichev2013-12-077.0 (19)
382105316625302ZrenBy2003-09-017.5 (212)
951981663350qwrqwr2017-12-019.4 (41)
6129831655772risp2009-12-268.5 (323)
5929331657203VIG2003-12-228.3 (204)
12423801603455DimaN2004-02-268.3 (88)
2031401601932=Maxim=2013-10-059.4 (23)
30422415101132aks_nsk2016-02-059.3 (15)
7426741438855vlksm2008-06-218.3 (206)
5525821426339VIG2005-06-267.7 (114)
7124114288513Baser2021-02-277.9 (60)
16293213660336qwrqwr2014-07-187.5 (255)
10924961281671VIG2003-12-238.0 (99)
2012381270749Baser2013-09-218.7 (23)
392139712524256Serge I2003-08-287.5 (282)
8325401206798lepton2006-09-298.5 (151)
7824221175451_ORA_2010-04-277.5 (132)
235271170665Kursist2021-07-109.5 (4)
81260111612707$erges2008-05-108.3 (170)
51157911515416Fiolent2004-06-238.2 (152)
9422591140773pickman2011-04-278.3 (95)
332128010927364DimaN2004-03-017.6 (347)
35360010813695Baser2015-09-188.7 (173)
1971431070518pegoopik2013-06-108.8 (19)
2361101060467Baser2021-07-249.6 (7)
5215181043268Serge I2015-01-108.6 (148)
10411431040571pegoopik2013-07-198.4 (60)
12812301044829inkerman2007-09-148.4 (74)
79197210314403Serge I2003-06-057.7 (157)
3051251010160Baser2017-01-069.0 (14)
442758998273Serge I2011-11-257.9 (235)
901240991499Dmitrij Grinkevich2012-03-037.9 (86)
731464973367Ruslan17072010-11-027.5 (153)
462121696127340Serge I2009-08-126.8 (323)
17216729624122VIG2003-04-298.2 (322)
62209495101281Serge I2005-05-078.0 (372)
701679953334Serge I2009-04-177.9 (222)
1131137920497smog2013-03-298.5 (57)
1031143861850Baser2013-10-057.4 (58)
1141453834298Serge I2003-12-248.4 (96)
256139821436anddros2013-11-088.9 (20)
2421643796685Aaz2004-02-267.0 (459)
26115037825289VIG2003-12-227.7 (357)
25212537529232DimaN2004-06-227.1 (325)
9214397230498vasia armor2010-05-218.0 (416)
1017697250179Serge I2017-01-208.0 (213)
28112356810283ZrenBy2003-09-017.6 (235)
8215296694600Serge I2008-06-217.6 (377)
2111228629709paparome2006-03-148.1 (278)
971371623231dimzv2004-03-017.7 (81)
112143622393Gosha2020-06-039.0 (21)
5015535817421mslava2003-12-237.2 (105)
3211386577603Roman Golubin2005-12-137.5 (315)
42116365514249Serge I2003-06-057.7 (322)
18116525510157ZrenBy2003-09-017.7 (359)
1171431540193Fiolent2003-12-267.6 (86)
192248520709Baser2012-03-039.2 (25)
2711300518376Fiolent2004-02-267.3 (298)
4811177517252Serge I2009-06-227.4 (309)
3011774503205Serge I2003-08-287.9 (390)
19120164723269Serge I2004-06-237.5 (413)
22116424712270ZrenBy2003-09-017.3 (377)
14124774737116Serge I2003-04-087.5 (433)
5611071473565Fiolent2004-06-228.0 (279)
6311351465190VIG2003-06-057.6 (242)
302037450510pegoopik2012-07-277.6 (11)
3111068446349Fiolent2004-06-227.9 (260)
13117594022194ZrenBy2003-09-017.5 (407)
30619390363Baser2022-04-297.4 (5)
53114833825234DimaN2004-03-017.6 (383)
1511239358287Dmitrij Grinkevich2012-04-217.6 (326)
11119403416130ZrenBy2003-09-017.5 (436)
88233321293Serge I2021-10-159.1 (13)
2583251301070Baser2014-09-197.6 (10)
3010448055pegoopik2012-03-238.7 (21)
Home
Week news
Certification
SQL exercises
Forums
Ratings
HELP
Performance
Profile
References
Copyright SQL-EX © 2002-2023. All rights reserved.
contact