TOP 100 at "SQL Exercises"

December 02, 07:12 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: 13290 Involved in second stage rating: 3356

No	Person	Number of Sel_ex	Last_Sel	Number of DML_ex	Scores	Days	Days_2	Days_3	S_3	LastSolved	LastVisit
1	Chernov D.V. (Kursist)¹	273	306	45	687	1850	1602.401	1710.840	254	2021-11-28	2021-12-02
2	Kostomarov A.V. (al29)¹	259	234	38	649	3279	4336.841	2473.867	251	2021-04-17	2021-08-10
3	Doschenko V.N. (mcrain)¹	252	234	43	642	3188	2042.968	524.573	251	2020-06-24	2021-07-27
4	Krasovskij E.A. (pegoopik)¹	265	262	42	669	3441	210.518	14.367	248	2019-12-09	2021-11-17
5	Kreslavskij O.M. (Arcan)¹	270	306	44	678	5376	284.501	225.486	247	2021-10-21	2021-12-01
6	Boiko D. (Angellore)¹	263	112	40	654	5138	5433.872	3825.743	237	2021-09-04	2021-10-29
7	Bezhaev A.Yu. (Baser)¹	258	236	34	638	4101	201.482	178.821	234	2021-07-24	2021-10-17
8	Dubinskij A.V. (_velial)¹	258	303	44	652	4129	2797.568	3371.376	227	2021-03-04	2021-05-08
9	Karasyova N.V. (vlksm)¹	263	306	44	655	5635	292.052	242.855	225	2021-10-17	2021-11-27
10	Kurochkin P.A. (qwrqwr)¹	255	7	44	638	4139	257.852	164.392	211	2021-03-11	2021-12-01
11	Filippkin D.V. (_dimon_)¹	251	221	44	633	4410	195.657	127.950	204	2021-02-17	2021-03-19
12	Vyazovetskov A.S. (alex_v)⁹	234	161	23	556	4361	177.350	94.196	204	2018-05-17	2020-03-11
13	Movlyanov A.P. (Oct)⁷	238	10	29	582	1307	2353.686	2448.847	193	2017-01-23
14	Sal'nikov S.A. ($erges)¹	221	206	25	545	2533	17.481	14.498	181	2015-02-02	2021-11-19
15	Kukushkin S.A. (smog)⁹	219	163	29	521	2368	1054.526	1122.181	153	2017-10-03	2021-11-23
16	Yatsuk A.A. (Faust_zp)¹	181	255	24	453	1984	144.040	108.840	137	2012-07-12	2019-02-15
17	Pusev D.V. (Pusev_Denis)¹⁷	197	178	40	488	1203	1184.772	1248.848	134	2021-04-04	2021-10-08
18	Kuznetsov V.S. (herrRo)¹	166	260	23	412	1167	478.486	73.335	122	2012-02-08
19	Varenikov D.M. (Dmitriy Varenikov)¹⁸	222	306	44	523	4031	4803.416	3111.309	119	2021-11-08	2021-12-01
20	Grinkevich D.L. (Dmitrij Grinkevich)¹³	198	10	27	461	2059	367.097	932.343	109	2017-05-31	2020-08-24
21	Drozdkov A.N. (anddros)⁵	186	16	24	439	2244	12.296	11.091	108	2014-07-21	2020-06-05
22	Zajtsev V.S. (Sleeping)¹⁹	210	233	27	461	4841	1380.755	1328.303	99	2021-09-08	2021-09-17
23	Shindin A.V. (AlShin)¹	153	44	23	381	3621	409.132	777.457	99	2018-09-18
24	Timofeeva E.V. (Umrikhina)¹	203	40	41	494	4234	50.491	47.237	96	2019-11-27	2021-03-18
25	Aliev R. (y4nzi)²¹	206	187	33	483	236	64.694	37.753	95	2018-01-25	2019-03-24
26	Tarasov D.B. (Gavrila)⁹	159	15	23	387	2427	150.500	99.710	95	2012-04-23
27	Orlov M.V. (Eagleoff)⁹	146	258	23	363	952	138.392	106.466	92	2011-11-10	2021-01-14
28	Zotov P.G. (Ozzy)¹	144	-16	23	360	1412	212.408	187.364	83	2012-02-05
29	Derzhal'tsev V.A. (MadVet)³	133	100	22	333	2073	142.787	99.698	81	2010-12-29
30	Koptel'tsev V. (selber)³⁰	206	306	45	503	3385	1959.842	748.868	74	2021-11-27	2021-12-01
31	Sigankov V.I. (vasilyvanc)³⁰	202	306	44	477	2766	129.317	47.788	74	2021-10-17	2021-11-20
32	Agapov V. (KERBEROS)¹	156	253	24	380	2409	35.530	27.703	69	2013-04-02
33	Fedevych V.I. (labuch_fedev)³⁰	197	112	40	456	2697	866.492	1557.429	65	2021-07-20	2021-08-02
34	Petrov Y. (YuriPetrov)²¹	197	7	44	463	3834	63.535	24.005	64	2021-08-15	2021-11-21
35	Shkarednyj I.N. (Gosha)³¹	192	7	44	456	5682	1108.142	486.249	64	2021-08-17	2021-12-01
36	Williams B. (BW)³¹	197	12	41	458	4001	4685.024	2394.036	63	2020-02-20	2021-11-03
37	Chebykin D.N. (GriGrim)²⁵	200	112	34	460	4205	816.002	380.694	62	2020-12-19	2021-09-28
38	Shaymardanov M.M. (xLiSPirit)¹⁹	175	203	34	424	2792	426.843	528.104	62	2018-05-18
39	Kalinin K.A. (kalinin_k)¹⁶	149	169	23	354	391	26.189	36.659	60	2012-06-30
40	Dvoryaninov V. (Valdaj)¹⁶	148	2	23	346	1499	405.472	329.316	55	2013-08-14	2021-01-24
41	Fokin A. (Vizitor )³³	180	261	41	449	2904	60.509	1133.759	52	2019-08-17	2019-09-06
42	Murashkin I.V. (lepton)¹	91	90	21	215	2188	131.322	645.720	51	2012-03-20	2021-07-17
43	Halushka B. (halushka)³³	153	35	20	360	284	131.271	58.407	46	2015-10-19
44	Titovskij P.S. (kli3ma)²³	164	45	28	395	1903	27.460	17.959	45	2016-06-15
45	Utyonkov M.N. (=Maxim=)²⁰	171	95	24	384	4533	47.188	11.750	42	2018-10-08
46	Sysoev A.V. (Sysa)³⁸	118	174	22	253	3225	6162.638	2114.921	39	2016-09-07	2021-08-05
47	Sviridov K.Yu. (orange)¹⁹	120	-16	23	297	1591	62.192	31.081	38	2012-05-17
48	Senkevich S.V. (GreyC)¹	87	-7	21	218	392	54.534	23.321	38	2009-10-06	2020-12-28
49	Seleznyov A.S. (Artyom S.)¹	84	106	21	210	444	46.094	30.368	38	2009-01-25
50	Latyntsev N.G. (aks_nsk)⁴⁵	184	174	40	436	2640	35.000	7.501	37	2019-05-21	2021-02-22
51	Vakhrameev A. (WY)³⁴	167	52	25	387	1445	38.986	9.069	36	2015-01-18	2021-02-11
52	Pechatnov V.V. (pvv)¹	115	15	21	274	1992	40.028	15.512	33	2013-04-05
53	Martynyuk (Wiedzmen)²¹	151	120	23	346	2189	1691.956	1692.363	32	2015-03-10
54	Nikotin V.M. (@Nikotin)¹	85	4	21	212	235	7.643	3.541	32	2009-04-23
55	Pyatiletov A. (MontaG)⁵⁴	176	12	39	408	2480	95.231	28.667	30	2019-06-30	2019-06-30
56	Pavlov A.V. (Anton)⁵⁰	175	228	40	411	5011	3237.809	1187.402	29	2019-06-11	2021-06-12
57	Nashyn E. (O.o)²³	122	2	23	286	1159	183.088	77.876	29	2013-09-13
58	Zin4uk V. (Zin4uk Vadim)³³	141	103	24	337	1334	154.617	42.752	28	2014-06-24
59	X D. (railgun3r)²⁸	148	104	24	348	1369	319.959	750.766	26	2014-08-16	2021-07-13
60	Mullakhanov R.Kh. (rem)⁹	87	-6	22	212	238	14.306	9.679	26	2009-06-20
61	F (uff)⁵¹	173	69	31	401	1504	1067.585	952.124	25	2018-01-22
62	Sivoglazov M.A. (Gaizenberg)⁵¹	154	142	24	352	801	288.625	35.424	24	2015-11-10	2021-06-05
63	Vas'kov E.V. (Johan)²	137	58	24	324	2582	544.092	1034.271	24	2013-08-16	2020-06-11
64	Sukhnev D.A. (mz)²²	128	44	23	305	2468	61.970	13.009	23	2013-05-05
65	Lyubchenko V.A. (IAS56)⁶	96	84	22	231	1454	647.021	138.580	23	2010-09-14
66	Anisimov D. (danilko)¹³	90	46	22	211	31	12.442	7.708	23	2009-08-12
67	Komarov A.N. (Shveda Saulya)⁶⁷	145	145	44	387	636	51.811	71.577	22	2021-10-26	2021-11-11
68	Egorov Yu.A. (Yury Egorov)⁴⁴	138	197	23	311	1772	19.747	13.689	21	2016-04-16	2021-03-05
69	Fajnberg M.L. (burnall)³⁶	120	185	23	279	1451	220.146	295.352	21	2013-06-05
70	Golubin R.S. (Roman Golubin)³	76	4	21	184	1412	92.455	58.691	20	2009-07-01
71	Kudryakov A.I. (AKudrakov)¹⁹	95	85	22	226	756	99.608	52.909	18	2010-02-05
72	Suprun D. (TimonSP)⁴²	151	115	29	371	3033	11.908	1.721	15	2017-01-09	2021-04-01
73	Azbel' E.G. (enull)⁶⁹	141	143	25	346	3439	1146.122	1004.908	15	2018-02-21	2021-01-11
74	Skorohod I. (Dracul4ik)⁶⁵	141	52	25	342	2295	712.619	584.009	15	2017-09-12	2019-09-10
75	Grishin (alvigr)⁵⁵	139	140	24	319	1095	89.619	756.898	15	2014-12-10
76	Grecha (grecha)⁵³	136	185	24	313	150	8.791	1.612	15	2014-02-26
77	Frolov (dr.shtopor)⁶⁶	137	148	28	344	705	306.716	49.878	14	2016-04-05	2021-03-17
78	Egorov A.B. (ABEgorov)²⁰	95	140	22	229	750	15.197	8.506	14	2010-02-26	2021-03-02
79	Nikolaenko A.V. (Shadow77)¹²	86	116	22	206	761	66.318	7.673	14	2009-09-13	2019-10-11
80	Soldatenkov Yu.S. (SolYUtor)²	73	-7	21	175	1413	20.053	4.954	14	2010-04-07
81	Vojnov P.E. (paparome)¹	94	252	23	219	1923	4.428	.562	13	2010-12-01	2019-05-30
82	Belogurova K. (Katy_Ekb)¹	67	1	21	164	550	10.144	3.593	13	2008-11-27	2021-02-10
83	iglbeat (iglbeat)²³	97	75	21	219	1880	31.215	15.741	12	2012-10-19
84	Proskurin Yu.N. (Xonner)⁷¹	154	95	29	361	2057	51.057	7.973	11	2018-06-23	2021-05-31
85	Maslyaev V.S. (Velmont)⁶¹	156	45	27	360	2168	131.620	42.061	11	2018-02-02	2019-07-02
86	Donskikh A.V. (Ridan)²⁸	97	71	22	225	1511	699.507	31.402	11	2012-05-09
87	Grishunin M.F. (MikhailFG)⁸⁵	141	40	38	363	765	113.481	3.897	10	2019-01-25	2021-09-09
88	Polyakov S.G. (Ivanoff Alex)³¹	135	135	24	317	1700	186.966	14.537	10	2013-11-29	2020-08-07
89	Kabanets E.G. (azkaban)⁵⁴	146	43	25	335	2227	1921.755	5.246	9	2015-12-30
90	Bryzgunov V.A. (lorins_)⁶¹	130	153	23	300	1121	183.046	366.226	9	2013-10-23
91	Bazavluk M. (DoNotLook)⁶⁶	113	2	23	269	3153	695.491	2966.369	9	2019-07-30	2019-07-30
92	Rybkina T.V. (Rybka)³⁷	103	145	22	244	156	107.418	18.281	9	2010-08-30	2021-11-11
93	Makarov I.A. (_Bkmz_)³¹	94	85	22	223	741	7.446	.499	9	2010-03-23
94	Kurbanoff N.I. (Nariman Kurbanoff)³⁸	87	-14	22	201	798	203.830	141.899	9	2010-07-13	2021-04-29
95	Perfilov B.V. (B o r i s)³³	83	252	22	193	666	917.091	561.220	9	2010-03-31
96	Milenkov (wqer)⁹³	147	-12	44	378	1768	124.431	13.022	8	2021-03-12	2021-03-17
97	Ilyasov V. (VadimI)⁸⁸	145	148	29	356	251	24.735	.546	8	2017-03-13
98	Valuev D.I. (Fiolent)¹	101	100	23	245	2714	200.362	69.243	8	2011-02-09	2021-11-01
99	Borisenkov D.V. (xuser)²⁶	104	40	26	240	4309	5.111	.699	8	2019-11-22	2021-09-27
100	Vil'danov M. (mar_vi)²⁹	94	36	21	222	1154	107.366	3.028	8	2011-08-23

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Involved in rating: 13290 Involved in second stage rating: 3356

Involved in rating: 13290
Involved in second stage rating: 3356