TOP 100 at "SQL Exercises"

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September 03, 19:12 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	Candidates How the rating position is calculated
Involved in rating: 8891 Involved in second stage rating: 2179

No	Person	Number of Sel_ex	Last_Sel	Number of DML_ex	Scores	Days	Days_2	Days_3	S_3	LastSolved	LastVisit
1	>Kreslavskij O.M. (Arcan)¹	172	169	22	414	1312	144.269	103.037	88	2010-09-03	2010-09-03
2	Karasyova N.V. (vlksm)¹	170	253	22	409	1556	138.494	93.274	83	2010-08-09	2010-09-02
3	Sal'nikov S.A. ($erges)¹	169	253	22	407	892	8.513	7.876	81	2010-08-06	2010-09-03
4	Dubinskij A.V. (_yizraor)⁴	168	161	22	404	826	223.518	336.103	78	2010-09-02	2010-09-03
5	Zotov P.G. (Ozzy)¹	166	253	22	400	868	214.147	190.281	74	2010-07-26	2010-09-03
6	Yatsuk A.A. (Faust_zp)¹	153	253	22	375	1093	121.912	89.835	69	2010-02-01	2010-05-22
7	Drozdkov A.N. (anddros)⁵	164	253	22	392	790	8.685	8.025	66	2010-07-26	2010-08-25
8	Derzhal'tsev V.A. (MadVet)⁷	158	159	22	373	1964	109.102	69.007	62	2010-09-01	2010-09-03
9	Umrikhina E.V. (Umrikhina)¹	140	253	22	344	853	41.244	43.454	56	2010-08-25	2010-08-25
10	Bojko D.M. (Angellore)⁸	160	252	22	378	1088	924.474	212.056	55	2010-07-30	2010-08-27
11	Tarasov D.B. (Gavrila)⁹	156	143	22	370	1830	83.476	42.315	49	2010-08-30	2010-09-03
12	Orlov M.V. (Eagleoff)¹¹	158	253	22	374	855	76.635	42.990	48	2010-08-20	2010-09-03
13	Shindin A.V. (AlShin)¹⁰	135	156	21	321	682	205.435	597.814	38	2010-08-31	2010-09-03
14	Senkevich S.V. (GreyC)¹	122	253	21	307	612	57.718	23.321	38	2009-10-07	2010-01-01
15	Seleznyov A.S. (Artyom S.)¹	119	253	21	299	444	47.221	30.368	38	2009-01-25	2009-03-03
16	Nikotin V.M. (@Nikotin)¹	123	253	21	304	471	8.335	3.541	32	2009-12-11	2010-08-07
17	Murashkin I.V. (lepton)¹	115	251	21	284	1139	69.439	58.709	32	2009-05-05	2010-04-18
18	Pechatnov V.V. (pvv)¹	131	253	21	315	845	36.963	14.467	28	2010-02-10	2010-08-25
19	Dvoryaninov V. (Valdaj)¹⁹	151	169	22	349	443	156.826	161.475	26	2010-09-02	2010-09-03
20	Mullakhanov R.Kh. (rem)⁹	125	253	22	304	649	14.598	9.679	26	2009-06-20	2010-02-02
21	Kurochkin P.A. (qwrqwr)²¹	148	168	22	340	290	71.642	28.376	23	2010-08-27	2010-09-03
22	Anisimov D. (danilko)¹³	128	253	22	302	32	12.700	7.708	23	2009-08-12	2009-08-17
23	Lyubchenko V.A. (IAS56)⁶	125	251	22	298	1285	655.251	138.580	23	2010-03-12	2010-09-03
24	Martynyuk (Wiedzmen)²¹	147	251	22	339	520	227.346	182.209	21	2010-08-13	2010-08-27
25	Sukhnev D.A. (mz)²²	148	166	22	341	1514	54.459	11.352	20	2010-09-01	2010-09-02
26	Golubin R.S. (Roman Golubin)³	113	251	21	276	1715	93.125	58.691	20	2010-04-29	2010-06-11
27	Kudryakov A.I. (AKudrakov)¹⁹	133	152	22	312	757	101.696	52.909	18	2010-02-05	2010-05-05
28	Egorov A.B. (ABEgorov)²⁰	133	251	22	315	752	15.838	8.506	14	2010-02-26	2010-07-09
29	Nikolaenko A.V. (Shadow77)¹²	125	253	22	298	762	89.501	7.673	14	2009-09-13	2010-03-24
30	Soldatenkov Yu.S. (SolYUtor)²	107	251	21	264	819	22.448	4.954	14	2008-08-14	2010-08-19
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	Bezhaev A.Yu. (Baser)³⁶	146	158	22	334	123	44.505	18.592	10	2010-09-02	2010-09-03
37	Polyakov S.G. (Ivanoff Alex)³¹	140	142	22	322	436	109.077	14.537	10	2010-06-11	2010-08-05
38	Rybkina T.V. (Rybka)³⁷	142	145	22	324	156	110.784	18.281	9	2010-08-30	2010-09-03
39	Makarov I.A. (_Bkmz_)³¹	132	251	22	308	742	7.922	.499	9	2010-03-23	2010-09-03
40	Kurbanoff N.I. (Nariman Kurbanoff)³⁸	127	145	22	292	809	211.598	141.899	9	2010-07-19	2010-09-03
41	Perfilov B.V. (B o r i s)³³	121	252	22	285	666	925.802	561.220	9	2010-03-31	2010-08-26
42	Fajnberg M.L. (burnall)³⁶	138	251	22	319	385	36.074	6.085	8	2010-07-05	2010-09-02
43	Valuev D.I. (Fiolent)¹	135	251	22	312	2507	201.561	69.243	8	2010-07-16	2010-09-03
44	Glazyrin D.S. (glassman)²⁴	129	252	22	303	597	260.202	.420	8	2010-01-27	2010-08-02
45	Borisenkov D.V. (xuser)²⁶	128	251	22	292	844	5.110	.699	8	2010-05-24	2010-08-26
46	Vil'danov M. (mar_vi)²⁹	110	251	21	269	163	12.141	3.028	8	2008-11-29	2010-08-22
47	Mishin S.A. (CepbIu)²⁷	104	251	21	256	300	9.809	1.708	8	2009-02-12	2009-02-16
48	Bulanov P.A. (rage)³⁶	105	142	21	255	105	3.158	1.944	8	2008-10-29	2008-10-29
49	Kuvalkin K.S. (Cyrilus)¹	101	251	21	248	1441	13.121	2.380	8	2008-11-04	2010-05-27
50	Mal'tsev A.V. (Palkin)⁶	98	251	21	245	708	48.691	7.633	8	2008-07-25	2010-05-23
51	Severyukhin Yu.A. (Venser)¹	97	251	21	244	335	4.830	.374	8	2008-02-01	2009-05-18
52	Sheptunov P.P. (Dzen)³	96	251	21	243	279	8.055	.411	8	2007-10-02	2007-11-15
53	Burakov S.G. (burakov58)³²	96	251	21	243	974	51.518	18.961	8	2007-09-30	2007-11-09
54	Zaikin A.S. (Allex)⁴⁹	130	145	22	304	685	95.411	1.537	7	2010-03-22	2010-08-01
55	Tot'myanin S.A. (SCAT)³⁴	111	251	21	272	103	11.460	1.434	7	2009-03-28	2009-04-04
56	Milovidov A.N. (man2)³⁸	98	145	21	243	860	65.928	5.344	7	2008-03-01	2008-08-18
57	Kotov A. (Ckpa6)⁴⁹	132	142	22	303	141	59.482	2.900	6	2010-04-27	2010-04-27
58	Latfullin A.S. (Replikon)³⁸	122	252	22	285	122	20.172	2.714	6	2009-09-15	2010-07-12
59	Zverev D.L. (dimzv)¹	92	251	21	236	1503	9.260	2.970	6	2007-12-16	2007-12-16
60	Agapov V. (KERBEROS)¹	89	251	20	228	89	6.078	.585	6	2006-11-20	2008-03-19
61	Zavorotnev V.V. (vvz)⁴²	122	251	22	289	1567	6.170	.224	5	2009-11-11	2010-06-01
62	Radar Yu.V. (inkerman)⁴³	93	143	21	236	60	5.243	.000	5	2007-10-07	2008-11-01
63	Poltavets L.S. (lilyok)⁵⁶	133	142	22	306	663	121.007	2.838	4	2010-06-21	2010-09-01
64	Suprun D. (TimonSP)⁴²	115	142	22	274	374	3.859	.424	4	2009-09-29	2010-08-05
65	Sysoev A.V. (Sysa)⁴⁵	121	61	22	274	1025	172.740	35.893	4	2010-08-30	2010-09-01
66	Pesterev A. (PandNsk)⁴⁰	111	142	21	262	482	2.917	.133	4	2009-06-08	2009-06-08
67	Yuldashev M.R. (Snowbear)¹	111	142	22	261	1609	4.554	.188	4	2009-12-13	2010-02-13
68	Rakovich A. (Lohmatyi)⁵⁴	123	139	22	286	421	4.893	.651	2	2010-03-05	2010-03-05
69	Yakubova O. (Oxana)⁵¹	114	139	22	267	717	95.029	61.130	2	2009-09-17	2010-08-26
70	Utyonkov M.N. (=Maxim=)⁴⁴	100	139	21	240	1320	26.080	.036	2	2009-12-13	2010-07-01
71	Palij S.A. (PS_Sergey)⁴⁶	87	139	20	220	212	15.440	4.188	2	2006-12-01	2006-12-03
72	Usik V.N. (Vladius)⁷¹	136	136	22	309	529	34.945	.000	0	2010-08-29	2010-08-28
73	Batyrshin R.N. (Ramses)⁷²	136	136	22	307	174	21.951	.000	0	2010-08-17	2010-09-03
74	Sribnyak A. (silver)⁷⁰	131	99	22	297	927	56.296	.000	0	2010-08-29	2010-09-03
75	Vorob'ev E.V. (Johnnymnemonic)⁷²	131	133	22	297	1020	258.463	.000	0	2010-08-25	2010-08-30
76	Katyukova I.A. (IrinkaR)⁷⁶	129	129	22	295	1105	20.544	.000	0	2010-08-30	2010-09-03
77	Ivakhnenko A. (alex.i)⁷⁰	129	136	22	294	338	169.802	.000	0	2010-07-15	2010-07-15
78	Gorbunov A.V. (risp)⁶⁶	128	136	22	293	623	18.003	.000	0	2010-08-24	2010-09-03
79	Romanov K.Yu. (kostik)⁶³	125	137	22	290	345	108.670	.000	0	2010-02-18	2010-05-24
80	Kozhushko A.A. (Stasca)⁶³	124	138	22	290	629	345.627	.000	0	2010-01-17	2010-08-30
81	Krylov S.A. (Serg71)⁷³	127	127	22	290	553	349.739	.000	0	2010-06-10	2010-06-18
82	Blasova T.Yu. (vtan)⁷⁶	126	126	22	288	413	128.270	.000	0	2010-06-21	2010-06-21
83	Voevutskij S.A. (SergLK)⁶¹	125	137	22	286	304	30.394	.000	0	2010-06-17	2010-07-28
84	Mats V.V. (Easy-Human)⁸⁴	125	125	22	283	54	10.645	.000	0	2010-08-27	2010-09-02
85	Fris A.R. (ARF)⁸²	124	124	22	282	488	62.989	.000	0	2010-07-10	2010-07-10
86	Puzen'kin A.I. (Fencer)⁵⁷	123	137	22	281	1616	483.612	.000	0	2010-07-27	2010-09-02
87	Slavutinskij V.V. (Vasilko)⁴⁷	118	138	22	276	1668	10.500	.000	0	2010-03-31	2010-05-12
88	Fomchenkov V.N. (hamp)⁷⁵	120	131	22	276	304	72.069	.000	0	2010-03-21	2010-07-31
89	Ushakov O.N. (uon)⁸⁶	122	123	21	275	786	422.654	.000	0	2010-07-16	2010-07-16
90	Fomichev A.V. (Fomichev)⁵³	117	137	22	273	1723	25.658	.000	0	2009-09-30	2009-12-31
91	Degtyar' S.B. (degt)⁸¹	121	123	22	273	2434	66.118	.000	0	2010-05-30	2010-07-15
92	Williams (BW)⁶²	117	137	22	273	272	149.590	.000	0	2009-11-07	2010-06-08
93	Malyshok A.A. (Magnetic)⁸⁵	121	123	22	273	914	635.623	.000	0	2010-07-30	2010-08-28
94	Sheremet S.P. (Baumanec)⁵⁷	114	138	22	271	389	12.244	.000	0	2009-08-18	2009-12-02
95	Ol'shanskij A.V. (alx_ol)⁶⁷	117	136	22	271	476	171.636	.000	0	2009-12-30	2010-09-03
96	Turshev (Romul_T)⁷¹	118	131	21	269	816	176.776	.000	0	2010-07-16	2010-08-24
97	Filiptsov A.V. (AlexPhil)⁵⁸	114	137	22	268	175	12.237	.000	0	2009-08-25	2010-05-14
98	Sviridov K.Yu. (orange)⁴⁸	112	22	22	268	1014	15.910	.000	0	2010-08-28	2010-08-30
99	Medvedev V.V. (MeVit)⁵⁷	118	137	22	268	702	40.569	.000	0	2010-05-13	2010-07-21
100	marat (lemon)⁵³	113	137	22	267	330	9.693	.000	0	2009-06-16	2009-06-16

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Top 100

Involved in rating: 8891 Involved in second stage rating: 2179

Involved in rating: 8891
Involved in second stage rating: 2179