TOP 100 at "SQL Exercises"

October 24, 10:44 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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SQL exercises

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Top 100	Candidates How the rating position is calculated
Involved in rating: 11872 Involved in second stage rating: 3033

No	Person	Number of Sel_ex	Last_Sel	Number of DML_ex	Scores	Days	Days_2	Days_3	S_3	LastSolved	LastVisit
1	>Krasovskij E.A. (pegoopik)¹	260	226	32	638	2665	209.864	13.752	233	2017-10-24	2017-10-24
2	Kreslavskij O.M. (Arcan)¹	258	225	32	632	3915	265.524	207.908	227	2017-10-21	2017-10-24
3	Bezhaev A.Yu. (Baser)¹	258	225	31	630	2636	199.973	177.310	227	2017-07-20	2017-10-23
4	Dubinskij A.V. (_velial)¹	255	220	32	627	2899	2793.390	3368.369	225	2017-10-21	2017-10-23
5	Boiko D. (Angellore)¹	252	305	29	615	3512	4677.333	3268.236	218	2017-03-23	2017-05-03
6	Karasyova N.V. (vlksm)¹	254	222	32	621	4179	276.039	227.502	216	2017-10-22	2017-10-23
7	Kostomarov A.V. (al29)⁷	235	223	30	578	1919	1835.782	1403.144	205	2017-07-27	2017-10-23
8	Filippkin D.V. (_dimon_)¹	245	115	29	598	2737	194.624	127.909	202	2016-07-20	2016-09-29
9	Kurochkin P.A. (qwrqwr)¹	246	305	32	598	2904	250.449	159.315	195	2017-10-23	2017-10-24
10	Movlyanov A.P. (Oct)⁷	245	10	29	589	1307	2353.751	2448.847	193	2017-01-23	2017-04-03
11	Sal'nikov S.A. ($erges)¹	228	206	25	552	2533	17.533	14.498	181	2015-02-02	2017-04-13
12	Kukushkin S.A. (smog)⁹	226	163	29	528	2368	1054.869	1122.181	153	2017-10-03	2017-10-21
13	Yatsuk A.A. (Faust_zp)¹	187	255	24	460	1984	144.150	108.840	137	2012-07-12	2012-07-30
14	Kuznetsov V.S. (herrRo)¹	172	260	23	419	1167	478.511	73.335	122	2012-02-08	2013-06-18
15	Grinkevich D.L. (Dmitrij Grinkevich)¹³	205	10	27	468	2059	367.305	932.343	109	2017-05-31	2017-09-09
16	Drozdkov A.N. (anddros)⁵	193	16	24	446	2244	12.341	11.091	108	2014-07-21	2015-01-29
17	Shindin A.V. (AlShin)¹	148	252	23	367	928	408.505	777.457	99	2011-05-05	2014-05-18
18	Vyazovetskov A.S. (alex_v)¹⁵	178	10	23	407	4152	123.365	42.620	97	2017-10-20	2017-10-20
19	Timofeeva E.V. (Umrikhina)¹	206	10	31	480	3381	50.380	47.237	96	2017-07-27	2017-10-20
20	Tarasov D.B. (Gavrila)⁹	165	15	23	394	2427	151.343	99.710	95	2012-04-23	2012-05-25
21	Varenikov D.M. (Dmitriy Varenikov)²¹	204	169	31	465	2414	2062.344	1200.260	93	2017-06-05	2017-10-24
22	Orlov M.V. (Eagleoff)⁹	152	258	23	370	952	138.468	106.466	92	2011-11-10	2017-08-30
23	Zotov P.G. (Ozzy)¹	150	-16	23	367	1412	213.524	187.364	83	2012-02-05	2016-08-18
24	Derzhal'tsev V.A. (MadVet)³	138	100	22	339	2073	143.349	99.698	81	2010-12-29	2015-10-14
25	Doschenko V.N. (mcrain)²⁵	189	226	30	437	2206	1755.032	238.290	75	2017-10-16	2017-10-24
26	Agapov V. (KERBEROS)¹	162	253	24	387	2409	35.562	27.703	69	2013-04-02	2016-09-24
27	Petrov Y. (YuriPetrov)²¹	196	304	31	440	2360	63.679	24.005	64	2017-08-02	2017-08-04
28	Zajtsev V.S. (Sleeping)²⁷	187	77	24	408	3167	683.748	971.765	64	2017-02-07	2017-06-29
29	Chebykin D.N. (GriGrim)²⁵	200	306	28	446	3045	811.021	380.694	62	2017-10-16	2017-10-17
30	Shaymardanov M.M. (xLiSPirit)¹⁹	165	135	24	376	1166	346.869	525.165	61	2013-12-04	2016-11-28
31	Kalinin K.A. (kalinin_k)¹⁶	155	169	23	361	391	26.206	36.659	60	2012-06-30	2014-11-19
32	Dvoryaninov V. (Valdaj)¹⁶	154	9	23	353	1499	405.533	329.316	55	2013-08-14	2017-05-31
33	Williams B. (BW)³³	193	306	31	432	3097	3348.545	1236.046	52	2017-08-30	2017-10-17
34	Aliev R. (y4nzi)³⁴	174	252	31	419	142	37.213	12.863	51	2017-10-23	2017-10-24
35	Murashkin I.V. (lepton)¹	96	90	21	221	2188	131.386	645.720	51	2012-03-20	2014-03-10
36	Fedevych V.I. (labuch_fedev)³⁴	184	174	29	418	1103	855.777	1547.280	46	2017-03-07	2017-03-07
37	Fokin A. (Vizitor )³³	177	35	27	417	1569	53.871	1127.337	46	2015-12-21	2016-05-11
38	Halushka B. (halushka)³³	160	35	20	367	284	131.480	58.407	46	2015-10-19	2016-01-22
39	Titovskij P.S. (kli3ma)²³	170	45	28	402	1903	27.647	17.959	45	2016-06-15	2016-06-15
40	Utyonkov M.N. (=Maxim=)²⁰	170	77	24	378	3406	48.718	11.750	42	2015-09-07	2015-10-28
41	Sysoev A.V. (Sysa)³⁸	124	174	22	260	3225	6163.368	2114.921	39	2016-09-07	2017-06-05
42	Sviridov K.Yu. (orange)¹⁹	126	-16	23	304	1591	62.221	31.081	38	2012-05-17	2012-05-22
43	Senkevich S.V. (GreyC)¹	92	2	21	224	393	55.287	23.321	38	2009-10-07	2014-03-15
44	Seleznyov A.S. (Artyom S.)¹	88	106	21	215	444	46.448	30.368	38	2009-01-25	2010-09-08
45	Vakhrameev A. (WY)³⁴	174	52	25	394	1445	39.128	9.069	36	2015-01-18	2016-07-01
46	Pechatnov V.V. (pvv)¹	121	15	21	281	1992	40.086	15.512	33	2013-04-05	2016-10-29
47	Latyntsev N.G. (aks_nsk)⁴⁵	171	144	29	396	1601	26.376	5.030	32	2016-07-16	2017-03-25
48	Martynyuk (Wiedzmen)²¹	157	120	23	353	2189	1695.661	1692.363	32	2015-03-10	2016-02-08
49	Nikotin V.M. (@Nikotin)¹	90	2	21	218	467	7.697	3.541	32	2009-12-11	2012-11-08
50	Nashyn E. (O.o)²³	128	9	23	293	1159	183.142	77.876	29	2013-09-13	2014-11-28
51	Chernov D.V. (Kursist)⁵¹	167	201	31	391	344	279.873	121.360	28	2017-10-14	2017-10-23
52	Zin4uk V. (Zin4uk Vadim)³³	147	103	24	344	1334	154.722	42.752	28	2014-06-24	2014-09-02
53	F (uff)⁵¹	179	162	31	407	1268	1069.628	952.124	26	2017-05-31	2017-10-24
54	Pavlov A.V. (Anton)⁵⁰	173	164	29	392	4136	2081.441	31.027	26	2017-01-17	2017-01-19
55	X D. (railgun3r)²⁸	154	104	24	355	1369	320.237	750.766	26	2014-08-16	2015-11-03
56	Mullakhanov R.Kh. (rem)⁹	91	-6	22	217	238	14.329	9.679	26	2009-06-20	2010-02-02
57	Sivoglazov M.A. (Gaizenberg)⁵¹	160	142	24	359	801	288.674	35.424	24	2015-11-10	2017-07-17
58	Vas'kov E.V. (Johan)²	143	58	24	331	2582	544.122	1034.271	24	2013-08-16	2014-01-03
59	Sukhnev D.A. (mz)²²	134	44	23	312	2468	62.106	13.009	23	2013-05-05	2015-10-17
60	Lyubchenko V.A. (IAS56)⁶	101	84	22	237	1454	649.209	138.580	23	2010-09-14	2014-05-06
61	Anisimov D. (danilko)¹³	95	46	22	217	31	12.467	7.708	23	2009-08-12	2009-08-17
62	Egorov Yu.A. (Yury Egorov)⁴⁴	144	197	23	318	1772	19.759	13.689	21	2016-04-16	2016-04-16
63	Fajnberg M.L. (burnall)³⁶	126	185	23	286	1451	220.161	295.352	21	2013-06-05	2014-11-03
64	Golubin R.S. (Roman Golubin)³	81	2	21	190	1714	92.685	58.691	20	2010-04-29	2017-08-10
65	Koptel'tsev V. (selber)⁶⁵	176	141	32	406	1887	890.233	120.839	18	2017-10-21	2017-10-24
66	Kudryakov A.I. (AKudrakov)¹⁹	100	85	22	232	756	101.131	52.909	18	2010-02-05	2010-05-05
67	Pyatiletov A. (MontaG)⁶⁰	168	115	31	383	1767	76.775	10.426	16	2017-07-17	2017-10-12
68	Suprun D. (TimonSP)⁴²	157	115	29	378	3033	11.979	1.721	15	2017-01-09	2017-09-05
69	Skorohod I. (Dracul4ik)⁶⁵	147	52	25	349	2297	713.613	584.009	15	2017-09-12	2017-09-15
70	Grishin (alvigr)⁵⁵	145	140	24	326	1095	89.639	756.898	15	2014-12-10	2015-01-19
71	Grecha (grecha)⁵³	142	185	24	320	151	8.813	1.612	15	2014-02-26	2016-03-11
72	Frolov (dr.shtopor)⁶⁶	143	148	28	351	707	307.920	49.878	14	2016-04-05	2016-04-10
73	Egorov A.B. (ABEgorov)²⁰	100	140	22	235	750	15.262	8.506	14	2010-02-26	2011-05-17
74	Nikolaenko A.V. (Shadow77)¹²	91	116	22	212	761	66.350	7.673	14	2009-09-13	2010-03-24
75	Soldatenkov Yu.S. (SolYUtor)²	77	-7	21	180	1413	21.067	4.954	14	2010-04-07	2012-11-08
76	Vojnov P.E. (paparome)¹	99	252	23	225	1923	4.448	.562	13	2010-12-01	2011-04-21
77	Belogurova K. (Katy_Ekb)¹	71	1	21	169	550	10.225	3.593	13	2008-11-27	2015-03-20
78	iglbeat (iglbeat)²³	103	75	21	226	1880	37.093	15.741	12	2012-10-19	2012-10-25
79	Proskurin Yu.N. (Xonner)⁷¹	158	10	29	365	1724	51.301	7.973	11	2017-07-25	2017-10-09
80	Maslyaev V.S. (Velmont)⁶¹	163	45	26	364	1591	131.696	42.061	11	2016-07-05	2017-10-13
81	Donskikh A.V. (Ridan)²⁸	102	71	22	231	1511	699.561	31.402	11	2012-05-09	2017-04-28
82	Azbel' E.G. (enull)⁶⁹	146	127	25	348	2446	156.457	12.136	10	2015-06-04	2016-01-11
83	Polyakov S.G. (Ivanoff Alex)³¹	141	135	24	324	1700	187.082	14.537	10	2013-11-29	2017-10-19
84	Kabanets E.G. (azkaban)⁵⁴	153	43	25	342	2227	1921.772	5.246	9	2015-12-30	2015-12-31
85	Bryzgunov V.A. (lorins_)⁶¹	136	153	23	307	1121	183.078	366.226	9	2013-10-23	2013-10-23
86	Rybkina T.V. (Rybka)³⁷	108	145	22	250	156	107.472	18.281	9	2010-08-30	2017-06-27
87	Makarov I.A. (_Bkmz_)³¹	99	85	22	229	741	7.517	.499	9	2010-03-23	2015-04-04
88	Kurbanoff N.I. (Nariman Kurbanoff)³⁸	92	-14	22	207	798	204.959	141.899	9	2010-07-13	2017-03-12
89	Perfilov B.V. (B o r i s)³³	88	252	22	199	666	923.158	561.220	9	2010-03-31	2017-09-13
90	Ilyasov V. (VadimI)⁸⁸	151	148	29	363	251	24.775	.546	8	2017-03-13	2017-04-03
91	Valuev D.I. (Fiolent)¹	106	100	23	251	2714	201.205	69.243	8	2011-02-09	2017-02-13
92	Borisenkov D.V. (xuser)²⁶	108	35	26	245	3514	5.074	.699	8	2017-09-18	2017-10-16
93	Vil'danov M. (mar_vi)²⁹	99	36	21	228	1154	107.382	3.028	8	2011-08-23	2012-11-05
94	Glazyrin D.S. (glassman)²⁴	99	-16	22	227	1731	445.793	.420	8	2013-03-14	2017-05-04
95	Mishin S.A. (CepbIu)²⁷	73	96	21	171	294	9.468	1.708	8	2009-02-12	2009-02-16
96	Bulanov P.A. (rage)³⁶	74	54	21	171	105	3.012	1.944	8	2008-10-29	2008-10-29
97	Kuvalkin K.S. (Cyrilus)¹	70	54	21	163	1434	12.526	2.380	8	2008-11-04	2017-05-24
98	Severyukhin Yu.A. (Venser)¹	68	128	21	160	200	4.500	.374	8	2007-09-19	2009-05-18
99	Sheptunov P.P. (Dzen)³	68	128	21	160	278	7.876	.411	8	2007-10-02	2007-11-15
100	Mal'tsev A.V. (Palkin)⁶	68	128	21	160	412	47.838	7.633	8	2007-10-13	2011-11-29

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Top 100

Involved in rating: 11872 Involved in second stage rating: 3033

Involved in rating: 11872
Involved in second stage rating: 3033