TOP 100 at "SQL Exercises"

August 10, 05:39 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: 13716 Involved in second stage rating: 3462

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	275	238	55	708	2081	1602.454	1710.888	256	2022-07-17	2022-08-09
2	Doschenko V.N. (mcrain)¹	258	236	54	671	3878	2042.876	525.210	252	2022-05-15	2022-05-15
3	Kostomarov A.V. (al29)¹	258	234	38	648	3279	4333.782	2473.867	251	2021-04-17	2021-08-10
4	Kreslavskij O.M. (Arcan)¹	270	236	53	696	5467	284.494	225.498	248	2022-01-20	2022-07-17
5	Krasovskij E.A. (pegoopik)¹	264	262	42	670	3441	210.482	14.367	248	2019-12-09	2022-07-05
6	Bezhaev A.Yu. (Baser)¹	261	237	34	644	4394	201.442	178.822	239	2022-05-13	2022-06-14
7	Boiko D. (Angellore)¹	262	112	40	653	5138	5433.755	3825.743	237	2021-09-04	2022-07-29
8	Dubinskij A.V. (_velial)¹	257	303	44	653	4129	2797.520	3371.376	227	2021-03-04	2021-05-08
9	Karasyova N.V. (vlksm)¹	262	88	52	668	5809	291.872	242.855	225	2022-04-09	2022-07-30
10	Filippkin D.V. (_dimon_)¹	259	228	55	665	4947	196.067	128.330	211	2022-08-08	2022-08-09
11	Kurochkin P.A. (qwrqwr)¹	257	306	52	654	4563	257.629	164.392	211	2022-05-09	2022-08-09
12	Vyazovetskov A.S. (alex_v)⁹	233	161	23	555	4361	177.332	94.196	204	2018-05-17	2020-03-11
13	Movlyanov A.P. (Oct)⁷	237	10	29	581	1307	2353.653	2448.847	193	2017-01-23	2017-01-23
14	Sal'nikov S.A. ($erges)¹	220	206	25	544	2533	17.464	14.498	181	2015-02-02	2022-06-11
15	Kukushkin S.A. (smog)⁹	218	163	29	520	2368	1054.438	1122.181	153	2017-10-03	2021-11-23
16	Yatsuk A.A. (Faust_zp)¹	180	255	24	452	1984	144.005	108.840	137	2012-07-12	2019-02-15
17	Pusev D.V. (Pusev_Denis)¹⁷	196	178	40	487	1203	1184.729	1248.848	134	2021-04-04	2022-08-08
18	Varenikov D.M. (Dmitriy Varenikov)¹⁸	225	308	55	552	4286	5846.388	4154.678	125	2022-07-21	2022-07-20
19	Kuznetsov V.S. (herrRo)¹	165	260	23	411	1167	478.456	73.335	122	2012-02-08	2012-02-08
20	Grinkevich D.L. (Dmitrij Grinkevich)¹³	197	10	27	460	2059	367.063	932.343	109	2017-05-31	2020-08-24
21	Drozdkov A.N. (anddros)⁵	185	16	24	438	2244	12.278	11.091	108	2014-07-21	2020-06-05
22	Zajtsev V.S. (Sleeping)¹⁹	214	221	27	469	5029	1407.175	1354.662	104	2022-03-15	2022-04-25
23	Shindin A.V. (AlShin)¹	152	44	23	380	3621	409.057	777.457	99	2018-09-18	2018-09-18
24	Timofeeva E.V. (Umrikhina)¹	202	40	41	493	4234	50.475	47.237	96	2019-11-27	2021-12-03
25	Aliev R. (y4nzi)²¹	205	187	33	482	236	64.651	37.753	95	2018-01-25	2019-03-24
26	Tarasov D.B. (Gavrila)⁹	158	15	23	386	2427	150.447	99.710	95	2012-04-23	2012-04-23
27	Orlov M.V. (Eagleoff)⁹	145	258	23	362	952	138.355	106.466	92	2011-11-10	2022-03-15
28	Koptel'tsev V. (selber)²⁸	211	238	55	532	3621	2641.058	1430.093	84	2022-07-21	2022-08-09
29	Zotov P.G. (Ozzy)¹	143	-16	23	359	1412	212.251	187.364	83	2012-02-05	2012-02-05
30	Derzhal'tsev V.A. (MadVet)³	132	100	22	332	2073	142.708	99.698	81	2010-12-29	2010-12-29
31	Sigankov V.I. (vasilyvanc)³⁰	201	88	49	485	2941	129.277	47.788	74	2022-04-10	2022-07-29
32	Agapov V. (KERBEROS)¹	155	253	24	379	2409	35.521	27.703	69	2013-04-02	2013-04-02
33	Fedevych V.I. (labuch_fedev)³⁰	196	112	49	467	2893	866.442	1557.429	65	2022-02-01	2022-02-03
34	Petrov Y. (YuriPetrov)²¹	196	7	54	483	4011	63.477	24.005	64	2022-02-08	2022-02-23
35	Shkarednyj I.N. (Gosha)³¹	192	88	54	475	6014	1102.041	486.249	64	2022-07-15	2022-08-09
36	Williams B. (BW)³¹	196	12	41	458	4001	4684.193	2394.036	63	2020-02-20	2022-03-16
37	Chebykin D.N. (GriGrim)²⁵	199	112	41	467	4716	815.976	380.694	62	2022-05-14	2022-05-14
38	Shaymardanov M.M. (xLiSPirit)¹⁹	174	203	34	423	2792	426.798	528.104	62	2018-05-18	2018-05-18
39	Kalinin K.A. (kalinin_k)¹⁶	148	169	23	353	391	26.168	36.659	60	2012-06-30	2012-06-30
40	Dvoryaninov V. (Valdaj)¹⁶	147	2	23	345	1499	405.432	329.316	55	2013-08-14	2022-02-22
41	Gmar' D.V. (dimervvsu)⁴¹	160	155	54	451	4138	27.507	29.958	54	2022-07-19	2022-08-05
42	Fokin A. (Vizitor )³³	179	261	41	449	2904	60.494	1133.759	52	2019-08-17	2019-09-06
43	Murashkin I.V. (lepton)¹	90	90	21	214	2188	131.298	645.720	51	2012-03-20	2021-07-17
44	Halushka B. (halushka)³³	152	35	20	359	284	131.252	58.407	46	2015-10-19	2015-10-19
45	Titovskij P.S. (kli3ma)²³	163	45	28	394	1903	27.437	17.959	45	2016-06-15	2016-06-15
46	Utyonkov M.N. (=Maxim=)²⁰	170	95	24	383	4533	47.159	11.750	42	2018-10-08	2018-10-08
47	Sysoev A.V. (Sysa)³⁸	117	174	22	252	3225	6161.768	2114.921	39	2016-09-07	2021-12-10
48	Sviridov K.Yu. (orange)¹⁹	119	-16	23	296	1591	62.137	31.081	38	2012-05-17	2012-05-17
49	Senkevich S.V. (GreyC)¹	86	-7	21	217	392	54.495	23.321	38	2009-10-06	2020-12-28
50	Seleznyov A.S. (Artyom S.)¹	83	106	21	209	444	46.068	30.368	38	2009-01-25	2009-01-25
51	Latyntsev N.G. (aks_nsk)⁴⁵	187	88	51	458	3642	35.044	7.501	37	2022-02-16	2022-03-19
52	Vakhrameev A. (WY)³⁴	166	52	25	386	1445	38.965	9.069	36	2015-01-18	2021-02-11
53	Pechatnov V.V. (pvv)¹	114	15	21	273	1992	39.993	15.512	33	2013-04-05	2013-04-05
54	Martynyuk (Wiedzmen)²¹	150	120	23	345	2189	1691.942	1692.363	32	2015-03-10	2015-03-10
55	Nikotin V.M. (@Nikotin)¹	84	4	21	211	235	7.620	3.541	32	2009-04-23	2009-04-23
56	Pyatiletov A. (MontaG)⁵⁴	175	12	39	407	2480	95.205	28.667	30	2019-06-30	2019-06-30
57	Pavlov A.V. (Anton)⁵⁰	178	112	49	426	6043	3237.875	1187.402	29	2022-04-08	2022-04-10
58	Nashyn E. (O.o)²³	121	2	23	285	1159	183.032	77.876	29	2013-09-13	2013-09-13
59	Zin4uk V. (Zin4uk Vadim)³³	140	103	24	336	1334	154.426	42.752	28	2014-06-24	2014-06-24
60	X D. (railgun3r)²⁸	147	104	24	347	1369	319.903	750.766	26	2014-08-16	2021-07-13
61	Mullakhanov R.Kh. (rem)⁹	86	-6	22	211	238	14.293	9.679	26	2009-06-20	2009-06-20
62	Komarov A.N. (Shveda Saulya)⁶²	146	146	55	412	920	57.741	77.551	25	2022-08-06	2022-08-08
63	F (uff)⁵¹	172	69	31	400	1504	1067.548	952.124	25	2018-01-22	2018-01-22
64	Sivoglazov M.A. (Gaizenberg)⁵¹	153	142	24	351	801	288.588	35.424	24	2015-11-10	2021-06-05
65	Vas'kov E.V. (Johan)²	136	58	24	323	2582	544.064	1034.271	24	2013-08-16	2020-06-11
66	Sukhnev D.A. (mz)²²	127	44	23	304	2468	61.933	13.009	23	2013-05-05	2013-05-05
67	Lyubchenko V.A. (IAS56)⁶	95	84	22	230	1454	646.832	138.580	23	2010-09-14	2010-09-14
68	Anisimov D. (danilko)¹³	89	46	22	210	31	12.430	7.708	23	2009-08-12	2009-08-12
69	Egorov Yu.A. (Yury Egorov)⁴⁴	137	197	23	310	1772	19.702	13.689	21	2016-04-16	2021-03-05
70	Fajnberg M.L. (burnall)³⁶	119	185	23	278	1451	220.130	295.352	21	2013-06-05	2013-06-05
71	Golubin R.S. (Roman Golubin)³	75	4	21	183	1412	92.379	58.691	20	2009-07-01	2009-07-01
72	Kudryakov A.I. (AKudrakov)¹⁹	94	85	22	225	756	99.553	52.909	18	2010-02-05	2010-02-05
73	Suprun D. (TimonSP)⁴²	160	-17	55	427	5052	12.477	1.721	15	2022-07-21	2022-07-22
74	Azbel' E.G. (enull)⁶⁹	140	143	25	345	3439	1146.032	1004.908	15	2018-02-21	2021-01-11
75	Skorohod I. (Dracul4ik)⁶⁵	140	52	25	341	2295	708.666	584.009	15	2017-09-12	2019-09-10
76	Grishin (alvigr)⁵⁵	138	140	24	318	1095	89.600	756.898	15	2014-12-10	2014-12-10
77	Grecha (grecha)⁵³	135	185	24	312	150	8.760	1.612	15	2014-02-26	2014-02-26
78	Frolov (dr.shtopor)⁶⁶	136	148	28	343	705	306.512	49.878	14	2016-04-05	2021-03-17
79	Egorov A.B. (ABEgorov)²⁰	94	140	22	228	750	15.158	8.506	14	2010-02-26	2022-04-10
80	Nikolaenko A.V. (Shadow77)¹²	85	116	22	205	761	66.252	7.673	14	2009-09-13	2019-10-11
81	Soldatenkov Yu.S. (SolYUtor)²	72	-7	21	174	1413	20.029	4.954	14	2010-04-07	2010-04-07
82	Vojnov P.E. (paparome)¹	93	252	23	218	1923	4.415	.562	13	2010-12-01	2019-05-30
83	Belogurova K. (Katy_Ekb)¹	66	1	21	163	550	10.052	3.593	13	2008-11-27	2021-12-29
84	iglbeat (iglbeat)²³	96	75	21	218	1880	31.167	15.741	12	2012-10-19	2012-10-19
85	Proskurin Yu.N. (Xonner)⁷¹	153	95	29	360	2057	51.017	7.973	11	2018-06-23	2021-05-31
86	Maslyaev V.S. (Velmont)⁶¹	155	45	27	359	2168	131.599	42.061	11	2018-02-02	2019-07-02
87	Donskikh A.V. (Ridan)²⁸	96	71	22	224	1511	699.489	31.402	11	2012-05-09	2012-05-09
88	Grishunin M.F. (MikhailFG)⁸⁵	140	40	38	362	765	113.401	3.897	10	2019-01-25	2021-09-09
89	Polyakov S.G. (Ivanoff Alex)³¹	134	135	24	316	1700	186.940	14.537	10	2013-11-29	2022-04-25
90	Kabanets E.G. (azkaban)⁵⁴	145	43	25	334	2227	1921.730	5.246	9	2015-12-30	2015-12-30
91	Bryzgunov V.A. (lorins_)⁶¹	129	153	23	299	1121	183.010	366.226	9	2013-10-23	2013-10-23
92	Bazavluk M. (DoNotLook)⁶⁶	112	2	23	268	3153	695.452	2966.369	9	2019-07-30	2019-07-30
93	Rybkina T.V. (Rybka)³⁷	102	145	34	258	4334	107.401	18.281	9	2022-02-06	2022-07-02
94	Makarov I.A. (_Bkmz_)³¹	93	85	22	222	741	7.414	.499	9	2010-03-23	2010-03-23
95	Kurbanoff N.I. (Nariman Kurbanoff)³⁸	86	-14	22	200	798	203.593	141.899	9	2010-07-13	2022-04-18
96	Perfilov B.V. (B o r i s)³³	82	252	22	192	666	917.064	561.220	9	2010-03-31	2010-03-31
97	Milenkov (wqer)⁹³	148	88	44	381	2189	124.765	13.022	8	2022-05-07	2022-08-09
98	Ilyasov V. (VadimI)⁸⁸	144	148	29	355	251	24.695	.546	8	2017-03-13	2017-03-13
99	Valuev D.I. (Fiolent)¹	100	100	24	246	6895	200.286	69.243	8	2022-07-22	2022-07-22
100	Borisenkov D.V. (xuser)²⁶	103	40	26	239	4309	5.082	.699	8	2019-11-22	2022-04-02

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Involved in rating: 13716 Involved in second stage rating: 3462

Involved in rating: 13716
Involved in second stage rating: 3462