TOP 100 at "SQL Exercises"

Language

July 31, 21:58 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.
NOTE: Your browser should support Cookies and Javascript to provide correct usage of this site. If you use content filter, it should allow opening child windows to explore help pages.

Login: Password:
	forgot password? Registration

Ratings

  • Top 100
  • "Liberal" rating
  • Olympic rating
  • TOP 100 of Learning Stage
  • Rating by summation of ranks
  • Top 10 (photos)
  • Last-week results
  • Rating of second-stage exercises 
  • Author's rating  • 2nd stage rating up to exercise:
   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

Statistics

  • Today statistics
  • Site's old residents
  • Recent leaders activity
  • Сhanges in exercises' TOP 10
  • Results' chart

SQL exercises

  • SELECT (learning stage)
  • SELECT (rating stages)
  • DML

Forums

  • Learning stage
  • Rating stages
  • Favorites
  • Search

Certification

  • About certification
  • Certified professionals
  • Statistics
  • Confirm certificate

HELP

Transact-SQL tests

Modelling of data

Personal
page

Exercises voting

Query optimization

Developers & Thanks

For employers

References

Feedback

Support SQL-EX.RU

Poll

For what DBMS, besides SQL Server, you would like to have exercises on the site?

Top 100	Candidates How the rating position is calculated
Involved in rating: 8793 Involved in second stage rating: 2160

No	Person	Number of Sel_ex	Last_Sel	Number of DML_ex	Scores	Days	Days_2	Days_3	S_3	LastSolved	LastVisit
1	Sal'nikov S.A. ($erges)¹	168	252	22	403	882	8.513	7.876	80	2010-07-27	2010-07-31
2	Karasyova N.V. (vlksm)¹	168	252	22	403	1543	132.555	95.429	80	2010-07-27	2010-07-31
3	Kreslavskij O.M. (Arcan)¹	168	252	22	403	1274	128.472	102.186	80	2010-07-27	2010-07-31
4	Zotov P.G. (Ozzy)¹	166	252	22	400	868	214.147	217.219	77	2010-07-26	2010-07-31
5	Yatsuk A.A. (Faust_zp)¹	153	252	22	375	1093	121.912	92.200	72	2010-02-01	2010-05-22
6	Drozdkov A.N. (anddros)⁵	164	252	22	392	790	8.685	8.274	69	2010-07-26	2010-07-31
7	Umrikhina E.V. (Umrikhina)¹	139	252	22	342	488	41.244	47.336	59	2009-08-25	2010-07-20
8	>Dubinskij A.V. (_yizraor)⁸	158	130	22	378	793	67.928	28.051	55	2010-07-31	2010-07-31
9	Bojko D.M. (Angellore)⁸	160	252	22	378	1088	924.474	212.056	55	2010-07-30	2010-07-31
10	Derzhal'tsev V.A. (MadVet)⁷	154	251	22	363	1923	93.877	58.836	55	2010-07-22	2010-07-30
11	Orlov M.V. (Eagleoff)¹¹	156	252	22	368	832	64.582	30.139	45	2010-07-28	2010-07-30
12	Tarasov D.B. (Gavrila)⁹	155	251	22	365	1797	78.460	37.300	44	2010-07-28	2010-07-30
13	Senkevich S.V. (GreyC)¹	122	251	21	307	612	57.718	26.238	41	2009-10-07	2010-01-01
14	Seleznyov A.S. (Artyom S.)¹	119	251	21	299	444	47.221	34.492	41	2009-01-25	2009-03-03
15	Nikotin V.M. (@Nikotin)¹	123	251	21	304	471	8.335	3.704	35	2009-12-11	2010-07-30
16	Murashkin I.V. (lepton)¹	115	251	21	284	1139	69.439	58.709	32	2009-05-05	2010-04-18
17	Pechatnov V.V. (pvv)¹	131	252	21	315	845	36.963	17.410	31	2010-02-10	2010-07-24
18	Shindin A.V. (AlShin)¹⁰	131	251	21	313	498	26.251	418.630	30	2010-02-28	2010-03-09
19	Mullakhanov R.Kh. (rem)⁹	125	251	22	304	649	14.598	20.041	29	2009-06-20	2010-02-02
20	Anisimov D. (danilko)¹³	128	252	22	302	32	12.700	9.283	26	2009-08-12	2009-08-17
21	Lyubchenko V.A. (IAS56)⁶	125	251	22	298	1285	655.251	138.580	23	2010-03-12	2010-03-14
22	Kurochkin P.A. (qwrqwr)²²	147	167	22	338	262	71.641	28.375	21	2010-07-30	2010-07-30
23	Martynyuk (Wiedzmen)²¹	145	251	22	336	441	227.149	182.095	20	2010-05-26	2010-07-19
24	Golubin R.S. (Roman Golubin)³	113	251	21	276	1715	93.125	58.691	20	2010-04-29	2010-06-11
25	Sukhnev D.A. (mz)²²	147	251	22	340	1414	53.465	10.358	19	2010-05-24	2010-07-08
26	Dvoryaninov V.A. (Valdaj)²⁶	146	166	22	335	409	135.329	159.156	18	2010-07-30	2010-07-31
27	Kudryakov A.I. (AKudrakov)¹⁹	133	152	22	312	757	101.696	52.909	18	2010-02-05	2010-05-05
28	Nikolaenko A.V. (Shadow77)¹²	125	251	22	298	762	89.501	13.728	17	2009-09-13	2010-03-24
29	Egorov A.B. (ABEgorov)²⁰	133	251	22	315	752	15.838	8.506	14	2010-02-26	2010-07-09
30	Soldatenkov Yu.S. (SolYUtor)²	107	251	21	264	819	22.448	4.954	14	2008-08-14	2010-07-09
31	Vas'kov E.V. (Johan)²	125	252	22	296	1231	227.326	301.717	13	2009-12-01	2010-03-22
32	Belogurova K. (Katy_Ekb)¹⁹	102	251	21	255	552	10.640	3.593	13	2008-11-27	2010-03-15
33	Donskikh A.V. (Ridan)²⁸	135	252	22	310	874	271.637	31.402	11	2010-07-28	2010-07-30
34	Vojnov P.E. (paparome)¹	116	251	22	274	1470	3.135	.212	11	2009-09-02	2009-12-16
35	iglbeat (iglbeat)²³	106	251	21	261	360	34.485	14.813	11	2008-08-08	2008-08-25
36	Polyakov S.G. (Ivanoff Alex)³¹	140	142	22	322	436	109.077	14.537	10	2010-06-11	2010-07-30
37	Makarov I.A. (_Bkmz_)³¹	132	251	22	308	742	7.922	.499	9	2010-03-23	2010-07-31
38	Kurbanoff N.I. (Nariman Kurbanoff)³⁸	127	145	22	292	809	211.598	141.899	9	2010-07-19	2010-07-30
39	Perfilov B.V. (B o r i s)³³	121	252	22	285	666	925.802	561.220	9	2010-03-31	2010-06-28
40	Fajnberg M.L. (burnall)³⁶	138	251	22	319	385	36.074	6.085	8	2010-07-05	2010-07-08
41	Valuev D.I. (Fiolent)¹	135	251	22	312	2507	201.561	69.243	8	2010-07-16	2010-07-30
42	Glazyrin D.S. (glassman)²⁴	129	252	22	303	597	260.202	.420	8	2010-01-27	2010-06-04
43	Borisenkov D.V. (xuser)²⁶	128	251	22	292	844	5.110	.699	8	2010-05-24	2010-06-07
44	Vil'danov M. (mar_vi)²⁹	110	251	21	269	163	12.141	3.028	8	2008-11-29	2010-07-31
45	Mishin S.A. (CepbIu)²⁷	104	251	21	256	300	9.809	1.708	8	2009-02-12	2009-02-16
46	Bulanov P.A. (rage)³⁶	105	142	21	255	105	3.158	1.944	8	2008-10-29	2008-10-29
47	Kuvalkin K.S. (Cyrilus)¹	101	251	21	248	1441	13.121	2.380	8	2008-11-04	2010-05-27
48	Mal'tsev A.V. (Palkin)⁶	98	251	21	245	708	48.691	7.633	8	2008-07-25	2010-05-23
49	Severyukhin Yu.A. (Venser)¹	97	251	21	244	335	4.830	.374	8	2008-02-01	2009-05-18
50	Sheptunov P.P. (Dzen)³	96	251	21	243	279	8.055	.411	8	2007-10-02	2007-11-15
51	Burakov S.G. (burakov58)³²	96	251	21	243	974	51.518	18.961	8	2007-09-30	2007-11-09
52	Zaikin A.S. (Allex)⁴⁹	130	145	22	304	685	95.411	1.537	7	2010-03-22	2010-07-16
53	Tot'myanin S.A. (SCAT)³⁴	111	251	21	272	103	11.460	1.434	7	2009-03-28	2009-04-04
54	Milovidov A.N. (man2)³⁸	98	145	21	243	860	65.928	5.344	7	2008-03-01	2008-08-18
55	Kotov A. (Ckpa6)⁴⁹	132	142	22	303	141	59.482	2.900	6	2010-04-27	2010-04-27
56	Latfullin A.S. (Replikon)³⁸	122	252	22	285	122	20.172	2.714	6	2009-09-15	2010-07-12
57	Zverev D.L. (dimzv)¹	92	251	21	236	1503	9.260	2.970	6	2007-12-16	2007-12-16
58	Agapov V. (KERBEROS)¹	89	251	20	228	89	6.078	.585	6	2006-11-20	2008-03-19
59	Zavorotnev V.V. (vvz)⁴²	122	251	22	289	1567	6.170	.224	5	2009-11-11	2010-06-01
60	Radar Yu.V. (inkerman)⁴³	93	143	21	236	60	5.243	.000	5	2007-10-07	2008-11-01
61	Poltavets L.S. (lilyok)⁵⁶	133	142	22	306	663	121.007	2.838	4	2010-06-21	2010-07-06
62	Suprun D. (TimonSP)⁴²	115	142	22	274	374	3.859	.424	4	2009-09-29	2009-09-29
63	Sysoev A.V. (Sysa)⁴⁵	115	142	22	265	649	166.733	35.893	4	2009-08-19	2009-10-28
64	Pesterev A. (PandNsk)⁴⁰	111	142	21	262	482	2.917	.133	4	2009-06-08	2009-06-08
65	Yuldashev M.R. (Snowbear)¹	111	142	22	261	1609	4.554	.188	4	2009-12-13	2010-02-13
66	Bezhaev A.Yu. (Baser)⁶⁶	139	139	22	317	78	17.825	.145	2	2010-07-19	2010-07-27
67	Rakovich A. (Lohmatyi)⁵⁴	123	139	22	286	421	4.893	.651	2	2010-03-05	2010-03-05
68	Yakubova O. (Oxana)⁵¹	114	139	22	267	717	95.029	61.130	2	2009-09-17	2010-07-30
69	Utyonkov M.N. (=Maxim=)⁴⁴	100	139	21	240	1320	26.080	.036	2	2009-12-13	2010-07-01
70	Palij S.A. (PS_Sergey)⁴⁶	87	139	20	220	212	15.440	4.188	2	2006-12-01	2006-12-03
71	Rybkina T.V. (Rybka)⁷⁰	137	137	22	311	125	81.114	.000	0	2010-07-30	2010-07-31
72	Batyrshin R.N. (Ramses)⁷²	133	133	22	300	155	19.727	.000	0	2010-07-29	2010-07-30
73	Usik V.N. (Vladius)⁷¹	129	129	22	295	493	31.405	.000	0	2010-07-24	2010-07-31
74	Ivakhnenko A. (alex.i)⁷⁰	129	136	22	294	338	169.802	.000	0	2010-07-15	2010-07-15
75	Gorbunov A.V. (risp)⁶⁶	127	136	22	292	577	17.990	.000	0	2010-07-09	2010-07-27
76	Romanov K.Yu. (kostik)⁶³	125	137	22	290	345	108.670	.000	0	2010-02-18	2010-05-24
77	Kozhushko A.A. (Stasca)⁶³	124	138	22	290	629	345.627	.000	0	2010-01-17	2010-07-14
78	Krylov S.A. (Serg71)⁷³	127	127	22	290	553	349.739	.000	0	2010-06-10	2010-06-18
79	Blasova T.Yu. (vtan)⁷⁶	126	126	22	288	413	128.270	.000	0	2010-06-21	2010-06-21
80	Vorob'ev E.V. (Johnnymnemonic)⁷²	127	133	22	288	942	141.359	.000	0	2010-06-08	2010-07-29
81	Sribnyak A. (silver)⁷⁰	126	133	22	287	830	51.978	.000	0	2010-05-24	2010-07-30
82	Voevutskij S.A. (SergLK)⁶¹	125	137	22	286	304	30.394	.000	0	2010-06-17	2010-07-28
83	Fris A.R. (ARF)⁸²	124	124	22	282	488	62.989	.000	0	2010-07-10	2010-07-10
84	Puzen'kin A.I. (Fencer)⁵⁷	123	137	22	281	1616	483.612	.000	0	2010-07-27	2010-07-28
85	Slavutinskij V.V. (Vasilko)⁴⁷	118	138	22	276	1668	10.500	.000	0	2010-03-31	2010-05-12
86	Fomchenkov V.N. (hamp)⁷⁵	120	131	22	276	304	72.069	.000	0	2010-03-21	2010-07-31
87	Ushakov O.N. (uon)⁸⁶	122	123	21	275	786	422.654	.000	0	2010-07-16	2010-07-16
88	Fomichev A.V. (Fomichev)⁵³	117	137	22	273	1723	25.658	.000	0	2009-09-30	2009-12-31
89	Degtyar' S.B. (degt)⁸¹	121	123	22	273	2434	66.118	.000	0	2010-05-30	2010-07-15
90	Williams (BW)⁶²	117	137	22	273	272	149.590	.000	0	2009-11-07	2010-06-08
91	Malyshok A.A. (Magnetic)⁸⁵	121	123	22	273	914	635.623	.000	0	2010-07-30	2010-07-30
92	Sheremet S.P. (Baumanec)⁵⁷	114	138	22	271	389	12.244	.000	0	2009-08-18	2009-12-02
93	Ol'shanskij A.V. (alx_ol)⁶⁷	117	136	22	271	476	171.636	.000	0	2009-12-30	2010-07-05
94	Turshev (Romul_T)⁷¹	118	131	21	269	816	176.776	.000	0	2010-07-16	2010-07-16
95	Filiptsov A.V. (AlexPhil)⁵⁸	114	137	22	268	175	12.237	.000	0	2009-08-25	2010-05-14
96	Medvedev V.V. (MeVit)⁵⁷	118	137	22	268	702	40.569	.000	0	2010-05-13	2010-07-21
97	marat (lemon)⁵³	113	137	22	267	330	9.693	.000	0	2009-06-16	2009-06-16
98	Ostapchuk A.B. (_ORA_)⁸⁵	115	125	22	266	729	211.034	.000	0	2010-05-07	2010-05-28
99	Pokhmelkin A.Yu. (Corleone)⁷⁰	114	131	22	265	542	7.444	.000	0	2010-03-04	2010-05-04
100	Semaka A.A. (tolikas)⁸⁴	114	125	22	265	231	21.341	.000	0	2010-03-13	2010-06-19

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References

Top 100

Involved in rating: 8793 Involved in second stage rating: 2160

Involved in rating: 8793
Involved in second stage rating: 2160