SQL exercises
Language 
December 14, 22:34 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
2373346386711123Baser2022-05-139.5 (2)
21749318714549pegoopik2015-08-289.2 (5)
1474291459321213$erges2010-08-069.7 (20)
157324129253960anddros2009-06-059.6 (15)
1633191140801640Ozzy2010-01-089.6 (14)
1435471133314946inkerman2007-10-078.8 (31)
214411101030433pegoopik2015-05-3010.0 (7)
15532898933761vlksm2009-04-179.9 (19)
25942293702276anddros2009-08-249.5 (13)
21631186811279pegoopik2015-05-159.9 (8)
181415848911869Ozzy2011-10-089.7 (10)
194415799721461pegoopik2012-07-1310.0 (11)
23435747611481Kursist2020-02-289.7 (3)
253330727881097$erges2008-05-178.9 (20)
257417646712758pegoopik2012-02-209.4 (13)
16132263703889Ozzy2009-11-069.3 (18)
224311636301979selber2017-04-149.5 (8)
1385148622835949Cyrilus2005-12-099.2 (67)
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)
15442848923848anddros2009-03-189.9 (19)
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)
25223539183308Ozzy2009-06-148.4 (23)
14933638913506$erges2008-09-089.3 (22)
171319368211670Ozzy2010-12-059.3 (15)
218413349121500al292016-04-049.6 (8)
1165256347920469$erges2008-12-139.4 (126)
189415335001563Baser2012-02-058.6 (12)
178323330211680Baser2011-08-139.1 (15)
151337329041096anddros2008-12-308.9 (21)
18831731911733qwrqwr2012-02-049.8 (12)
172322309701719Ozzy2011-03-119.8 (16)
20831430630821pegoopik2013-12-208.8 (12)
153339304741539Ozzy2009-02-149.3 (21)
16732430320674qwrqwr2011-01-189.9 (15)
15625230043391anddros2009-04-179.1 (30)
14444729964950pvv2008-01-017.4 (30)
18732629650978=Maxim=2011-12-318.8 (21)
119511729564703Velmont2014-03-079.6 (62)
2323629400513al292018-08-2010.0 (5)
100426429169650qwrqwr2010-04-279.4 (134)
102419325888933GriGrim2011-07-169.5 (92)
221217253911023Baser2016-11-058.9 (10)
22321323570641Baser2016-11-129.9 (8)
141481233511977vlksm2006-10-299.0 (36)
17931723290844pegoopik2011-09-179.2 (12)
21021521320483_dimon_2014-02-0710.0 (11)
10142272125191096pegoopik2010-11-209.3 (122)
120411420082239pegoopik2014-02-149.0 (56)
14537220071859pvv2008-01-078.7 (34)
18422619531432Baser2011-11-268.9 (20)
227310194812142mcrain2017-12-087.3 (6)
164237194321622anddros2010-04-269.7 (22)
984599191244538ZrenBy2003-09-018.2 (139)
14826819107894vlksm2008-09-069.3 (36)
72410401879149608paparome2005-12-039.2 (285)
20521618770529qwrqwr2013-11-228.9 (10)
19322217980522Baser2012-07-068.3 (15)
15043817806909@Nikotin2008-11-098.6 (22)
182323171701377Baser2011-10-298.1 (17)
222215166401475pegoopik2016-12-239.8 (9)
893429163731870_Bkmz_2008-06-217.9 (164)
165231163131600vlksm2010-03-189.8 (19)
1374197161825616Cyrilus2005-03-069.2 (70)
18323016112518GriGrim2011-11-129.1 (15)
14636316063949paparome2008-01-229.7 (34)
874652159689459Roman Golubin2006-07-149.3 (184)
200319158601129qwrqwr2013-10-059.3 (13)
175330154812151pegoopik2011-04-288.5 (22)
228119154011419qwrqwr2018-01-1210.0 (11)
121341615274804ZrenBy2004-02-267.6 (102)
169332151901559Valdaj2010-09-028.5 (22)
136312015115618Ozzy2011-05-127.5 (53)
19632514940661qwrqwr2013-05-179.4 (15)
17633114840385qwrqwr2011-05-209.5 (21)
13537114832854qwrqwr2013-04-199.1 (38)
21921714820486pegoopik2016-04-089.9 (9)
1323116145342500risp2010-01-257.5 (58)
19822314441332Angellore2013-09-139.4 (16)
152349142041301vlksm2009-01-059.6 (28)
233117139402321pegoopik2019-03-0810.0 (9)
18033213750274qwrqwr2011-09-169.6 (24)
199320135001448Baser2013-08-178.4 (14)
763477134815949silver2010-01-238.8 (190)
21322613460369qwrqwr2014-10-179.6 (15)
158338133001174Ozzy2010-04-098.9 (23)
683320132827608pegoopik2014-08-018.1 (122)
21522313260331pegoopik2015-03-069.3 (13)
8533841324181397Ozzy2009-10-108.5 (152)
21231613190585Baser2014-10-148.9 (10)
16824313102455qwrqwr2010-08-279.5 (25)
12332551310381254Ozzy2009-08-229.0 (119)
8234041279121780_Virt_2010-04-278.2 (152)
20731712550486pegoopik2016-01-1510.0 (9)
69219812468210Gosha2017-12-159.0 (68)
226311123512054pegoopik2017-10-149.3 (6)
186137121501447Ozzy2011-12-309.2 (24)
7723281211331053selber2015-07-108.7 (137)
106329412065647vlksm2008-11-278.8 (129)
17315211723945Ozzy2011-01-139.3 (28)
963429115281572anddros2008-11-228.8 (171)
843433114717815Ozzy2009-12-268.3 (161)
653748114551671Ozzy2010-01-297.7 (262)
93318310865492qwrqwr2014-03-149.3 (77)
572213106115537Kursist2020-10-108.3 (63)
134318110414821pvv2008-01-228.6 (73)
1402839252578_Bkmz_2010-01-308.9 (42)
37382686525576qwrqwr2013-02-228.0 (275)
71356380524941anddros2009-12-268.4 (198)
3238679917476blr_Oliver2023-07-089.3 (31)
12533817043526dimzv2004-02-298.7 (95)
1851446883782=Maxim=2011-11-257.9 (26)
1953276580722Dmitrij Grinkevich2013-04-209.1 (16)
126219262712944$erges2008-09-078.6 (94)
110344362612942Snowbear2006-03-148.9 (123)
2514685943850paparome2006-10-018.0 (29)
16225959211067Ozzy2009-12-269.3 (34)
30721955301095Baser2017-06-298.5 (11)
17415653501084qwrqwr2011-02-259.3 (32)
13021255340700anddros2010-05-228.9 (62)
58367553213397qwrqwr2013-03-018.2 (232)
10724175159688Fiolent2004-02-268.0 (108)
2022295041557qwrqwr2013-11-019.1 (16)
9932104709956Dmitrij Grinkevich2012-05-058.2 (87)
66370046155392anddros2009-12-268.5 (258)
25414542011383Baser2011-09-028.8 (27)
1771533900935pegoopik2011-07-178.5 (26)
14221173791944paparome2007-03-249.0 (49)
1661633751449anddros2010-07-269.6 (32)
1272663732985GriGrim2014-12-218.1 (30)
10832913705521crescent2011-03-238.9 (118)
64364336650506qwrqwr2010-05-138.1 (200)
80236036011453qwrqwr2011-10-219.0 (144)
2331625353125307Palkin2007-03-298.4 (392)
1152913481736selber2016-05-289.0 (41)
1702563321320qwrqwr2010-10-249.1 (29)
51172329141224Serge I2023-06-188.6 (54)
2091333191735Baser2013-12-308.0 (15)
9225733039405paparome2006-07-268.5 (129)
13921282952907Snowbear2006-09-098.3 (46)
11124652713545Fiolent2005-01-198.3 (106)
363109426823786risp2011-05-068.0 (329)
12151826747348Serge I2019-04-127.0 (122)
292114625340799GiBis2011-09-177.5 (351)
473101025314554qwrqwr2010-11-208.2 (308)
542139824845796Ozzy2008-09-068.2 (481)
413117924818253qwrqwr2010-04-268.1 (372)
45250824714473dumkan2016-04-038.0 (139)
2622142431740selber2019-06-217.0 (7)
2041352411366anddros2013-11-198.5 (18)
67261023818729Ozzy2010-04-278.3 (213)
6032118233119313Serge I2005-03-057.9 (350)
11824372281206Fiolent2004-01-058.1 (94)
13329722801614pickman2011-07-018.3 (49)
9122402181642smog2012-05-269.1 (97)
10521512110610Baser2013-09-208.6 (59)
342124120726765qwrqwr2010-09-247.9 (371)
12922802027658DimaN2004-03-017.5 (62)
12211441982725Dmitrij Grinkevich2012-09-145.8 (59)
4325861963597qwrqwr2015-04-248.4 (184)
9511121922350qwrqwr2017-12-019.4 (45)
7524211884644qwrqwr2011-07-227.5 (154)
2602531830999qwrqwr2012-02-037.7 (37)
40137018010398Serge I2018-09-077.0 (97)
202156817934327VIG2003-09-018.0 (354)
62276617811576Dmitrij Grinkevich2012-02-118.1 (238)
8623651770433Ozzy2010-03-058.6 (124)
382109316926302ZrenBy2003-09-017.5 (222)
26113516911495Fomichev2013-12-077.0 (19)
5929711686203VIG2003-12-228.3 (217)
492123916622891anddros2009-06-057.9 (386)
61210211625772risp2009-12-268.5 (333)
12423871603455DimaN2004-02-268.2 (91)
30422515101132aks_nsk2016-02-059.4 (16)
1312981441498GriGrim2012-05-258.6 (46)
7426911438855vlksm2008-06-218.3 (213)
71343143107513Baser2021-02-278.0 (79)
2031421391932=Maxim=2013-10-059.4 (25)
16299313260336qwrqwr2014-07-187.5 (266)
10925061281671VIG2003-12-238.0 (102)
2012391270749Baser2013-09-218.8 (24)
303291270687selber2023-12-279.0 (5)
392143612524256Serge I2003-08-287.5 (293)
7824371245451_ORA_2010-04-277.5 (135)
5526231226339VIG2005-06-267.8 (127)
8325531205798lepton2006-09-298.6 (157)
81261511812707$erges2008-05-108.3 (175)
51162011814416Fiolent2004-06-238.3 (166)
9422711110773pickman2011-04-278.3 (98)
35364511012695Baser2015-09-188.7 (189)
235281100665Kursist2021-07-109.6 (5)
332132310826364DimaN2004-03-017.7 (359)
2361121060467Baser2021-07-249.7 (9)
10411521040571pegoopik2013-07-198.4 (65)
79198710314403Serge I2003-06-057.8 (162)
1971441020518pegoopik2013-06-108.9 (20)
12812351014829inkerman2007-09-148.4 (76)
901252991499Dmitrij Grinkevich2012-03-038.0 (90)
442797998273Serge I2011-11-257.9 (246)
521560983268Serge I2015-01-108.6 (162)
17217289827122VIG2003-04-298.2 (337)
731481973367Ruslan17072010-11-027.5 (159)
462125395127340Serge I2009-08-126.9 (334)
701698943334Serge I2009-04-177.9 (228)
62220693127281Serge I2005-05-078.0 (392)
1131147920497smog2013-03-298.7 (62)
305126911160Baser2017-01-069.1 (15)
1031152861850Baser2013-10-057.5 (62)
1141463834298Serge I2003-12-248.5 (101)
256140821436anddros2013-11-089.0 (21)
238268101143Baser2022-05-138.3 (4)
2421694796685Aaz2004-02-267.0 (469)
26115497928289VIG2003-12-227.7 (368)
25213027531232DimaN2004-06-227.2 (337)
9215087231498vasia armor2010-05-218.0 (433)
1018427249179Serge I2017-01-208.1 (231)
5016037216421mslava2003-12-237.1 (122)
28112806910283ZrenBy2003-09-017.6 (242)
8216046794600Serge I2008-06-217.7 (396)
2111279639709paparome2006-03-148.0 (289)
971385633231dimzv2004-03-017.6 (87)
112156622393Gosha2020-06-038.7 (26)
18117085612157ZrenBy2003-09-017.7 (371)
42116735515249Serge I2003-06-057.7 (334)
1171440520193Fiolent2003-12-267.7 (90)
192249520709Baser2012-03-039.2 (26)
2711345518376Fiolent2004-02-267.4 (309)
3011820503205Serge I2003-08-287.9 (404)
4811215506252Serge I2009-06-227.4 (320)
22116934812270ZrenBy2003-09-017.3 (390)
14125344738116Serge I2003-04-087.6 (447)
19120714723269Serge I2004-06-237.5 (423)
5611109473565Fiolent2004-06-228.0 (288)
6311388475190VIG2003-06-057.6 (253)
88254451293Serge I2021-10-159.2 (19)
302038450510pegoopik2012-07-277.8 (12)
3111113436349Fiolent2004-06-227.9 (271)
13118214022194ZrenBy2003-09-017.6 (421)
53115233725234DimaN2004-03-017.7 (393)
1511299368287Dmitrij Grinkevich2012-04-217.6 (337)
11120083515130ZrenBy2003-09-017.6 (448)
306114281363Baser2022-04-298.3 (8)
2583251301070Baser2014-09-197.6 (10)
3010458055pegoopik2012-03-238.7 (22)




Home
Week news
Certification
SQL exercises
Forums
Ratings
HELP
Performance
Profile
References
Copyright SQL-EX © 2002-2024. All rights reserved.
contact