TOP 100 at "SQL Exercises"

September 29, 04:19 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.

Ratings

  • Top 100
  • Top 100 on latest exercises
  • "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 (average)
  • Rating of 2nd-stage exercises (median)
  • 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

  • Site rules
  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
  • Transact-SQL tests
  • Data simulation
  • Visual simulation (painting)
  • Exercises voting

Forums

  • Learning stage
  • Rating stages
  • Favorites
  • Search
  • Blogs

Certification

  • Certified professionals
  • Statistics
  • Statistics over regions (map)
  • Confirm certificate

HELP

Query optimization

For employers

Support SQL-EX.RU

Дизайн криотерапия здесь
lantanclinic.ru
Гидра онион
гидра онион
hydras-onion.com
Акустический поролон
Скупим отходы поролона от производителя. Обрезки поролона. Дорого
acousticshop.ru

Top 100	Candidates How the rating position is calculated
Involved in rating: 12701 Involved in second stage rating: 3363

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	271	303	43	677	1335	1602.291	1710.766	251	2020-07-01	2020-09-29
2	Doschenko V.N. (mcrain)¹	254	234	43	644	3188	2043.013	524.573	251	2020-06-24	2020-06-25
3	Krasovskij E.A. (pegoopik)¹	267	262	42	671	3441	210.532	14.367	248	2019-12-09	2020-09-21
4	Kostomarov A.V. (al29)¹	258	112	38	646	3029	4143.639	2280.824	248	2020-08-10	2020-08-25
5	Kreslavskij O.M. (Arcan)¹	269	112	43	674	4961	284.393	225.461	245	2020-09-01	2020-09-27
6	Boiko D. (Angellore)¹	262	12	40	653	4303	5238.023	3825.743	237	2019-05-23	2020-09-21
7	Bezhaev A.Yu. (Baser)¹	258	227	34	638	2924	201.488	178.821	233	2018-05-04	2020-08-01
8	Dubinskij A.V. (_velial)¹	258	112	43	650	3940	2797.503	3371.376	227	2020-08-27	2020-09-05
9	Karasyova N.V. (vlksm)¹	260	262	42	648	5095	291.709	242.771	224	2020-04-25	2020-09-21
10	Kurochkin P.A. (qwrqwr)¹	256	303	40	631	3888	257.762	164.392	211	2020-07-03	2020-09-28
11	Vyazovetskov A.S. (alex_v)⁹	236	161	23	558	4361	177.355	94.196	204	2018-05-17	2020-03-11
12	Filippkin D.V. (_dimon_)¹	250	306	43	629	4156	195.555	127.909	202	2020-06-08	2020-07-02
13	Movlyanov A.P. (Oct)⁷	240	10	29	584	1307	2353.691	2448.847	193	2017-01-23	2018-08-27
14	Sal'nikov S.A. ($erges)¹	223	206	25	547	2533	17.491	14.498	181	2015-02-02	2020-09-24
15	Kukushkin S.A. (smog)⁹	221	163	29	523	2368	1054.543	1122.181	153	2017-10-03	2020-06-04
16	Yatsuk A.A. (Faust_zp)¹	183	255	24	455	1984	144.082	108.840	137	2012-07-12	2019-02-15
17	Kuznetsov V.S. (herrRo)¹	168	260	23	414	1167	478.499	73.335	122	2012-02-08	2013-06-18
18	Varenikov D.M. (Dmitriy Varenikov)¹⁸	218	207	43	514	3574	4764.168	3072.061	112	2020-08-08	2020-08-22
19	Grinkevich D.L. (Dmitrij Grinkevich)¹³	200	10	27	463	2059	367.105	932.343	109	2017-05-31	2020-08-24
20	Drozdkov A.N. (anddros)⁵	188	16	24	441	2244	12.313	11.091	108	2014-07-21	2020-06-05
21	Shindin A.V. (AlShin)¹	155	44	23	383	3621	409.179	777.457	99	2018-09-18	2018-10-06
22	Zajtsev V.S. (Sleeping)¹⁹	205	184	27	455	3601	1040.028	1327.686	98	2018-04-17	2019-03-04
23	Timofeeva E.V. (Umrikhina)¹	205	40	41	496	4234	50.497	47.237	96	2019-11-27	2019-12-30
24	Aliev R. (y4nzi)²¹	208	187	33	485	236	64.701	37.753	95	2018-01-25	2019-03-24
25	Tarasov D.B. (Gavrila)⁹	161	15	23	389	2427	150.508	99.710	95	2012-04-23	2018-01-08
26	Orlov M.V. (Eagleoff)⁹	148	258	23	365	952	138.434	106.466	92	2011-11-10	2019-12-05
27	Pusev D.V. (Pusev_Denis)²⁶	182	207	40	447	939	955.696	1019.754	91	2020-07-14	2020-07-18
28	Zotov P.G. (Ozzy)¹	146	-16	23	362	1412	212.430	187.364	83	2012-02-05	2016-08-18
29	Derzhal'tsev V.A. (MadVet)³	135	100	22	335	2073	142.798	99.698	81	2010-12-29	2015-10-14
30	Sigankov V.I. (vasilyvanc)³⁰	200	-15	43	472	2314	128.494	47.002	71	2020-07-22	2020-09-26
31	Koptel'tsev V. (selber)³¹	203	150	43	492	2933	1959.156	748.724	70	2020-09-01	2020-09-28
32	Agapov V. (KERBEROS)¹	158	253	24	382	2409	35.539	27.703	69	2013-04-02	2016-09-24
33	Fedevych V.I. (labuch_fedev)³⁰	196	167	40	455	2241	866.378	1557.429	65	2020-04-20	2020-04-20
34	Shkarednyj I.N. (Gosha)³¹	192	112	43	455	5285	1097.035	486.249	64	2020-07-16	2020-09-28
35	Petrov Y. (YuriPetrov)²¹	195	12	40	453	3061	63.401	24.005	64	2019-07-04	2019-09-15
36	Williams B. (BW)³¹	199	12	41	460	4001	4685.057	2394.036	63	2020-02-20	2020-08-27
37	Chebykin D.N. (GriGrim)²⁵	199	40	34	459	3849	815.921	380.694	62	2019-12-29	2020-02-12
38	Shaymardanov M.M. (xLiSPirit)¹⁹	177	203	34	426	2792	426.847	528.104	62	2018-05-18	2018-12-20
39	Kalinin K.A. (kalinin_k)¹⁶	151	169	23	356	391	26.197	36.659	60	2012-06-30	2014-11-19
40	Dvoryaninov V. (Valdaj)¹⁶	150	2	23	348	1499	405.517	329.316	55	2013-08-14	2020-04-28
41	Fokin A. (Vizitor )³³	182	261	41	451	2904	60.511	1133.759	52	2019-08-17	2019-09-06
42	Murashkin I.V. (lepton)¹	93	90	21	217	2188	131.332	645.720	51	2012-03-20	2014-03-10
43	Halushka B. (halushka)³³	155	35	20	362	284	131.287	58.407	46	2015-10-19	2016-01-22
44	Titovskij P.S. (kli3ma)²³	166	45	28	397	1903	27.470	17.959	45	2016-06-15	2016-06-15
45	Utyonkov M.N. (=Maxim=)²⁰	173	95	24	386	4533	47.193	11.750	42	2018-10-08	2018-12-11
46	Sysoev A.V. (Sysa)³⁸	120	174	22	255	3225	6162.689	2114.921	39	2016-09-07	2017-11-30
47	Sviridov K.Yu. (orange)¹⁹	122	-16	23	299	1591	62.207	31.081	38	2012-05-17	2012-05-22
48	Senkevich S.V. (GreyC)¹	89	-7	21	220	392	54.541	23.321	38	2009-10-06	2014-03-15
49	Seleznyov A.S. (Artyom S.)¹	86	106	21	212	444	46.358	30.368	38	2009-01-25	2010-09-08
50	Latyntsev N.G. (aks_nsk)⁴⁵	186	174	40	438	2640	35.025	7.501	37	2019-05-21	2019-11-24
51	Vakhrameev A. (WY)³⁴	169	52	25	389	1445	38.991	9.069	36	2015-01-18	2020-06-28
52	Pechatnov V.V. (pvv)¹	117	15	21	276	1992	40.055	15.512	33	2013-04-05	2016-10-29
53	Martynyuk (Wiedzmen)²¹	153	120	23	348	2189	1691.974	1692.363	32	2015-03-10	2016-02-08
54	Nikotin V.M. (@Nikotin)¹	87	4	21	214	235	7.665	3.541	32	2009-04-23	2012-11-08
55	Pyatiletov A. (MontaG)⁵⁴	178	12	39	410	2480	95.242	28.667	30	2019-06-30	2019-06-30
56	Pavlov A.V. (Anton)⁵⁰	177	228	40	413	5011	3237.818	1187.402	29	2019-06-11	2019-08-18
57	Nashyn E. (O.o)²³	124	2	23	288	1159	183.100	77.876	29	2013-09-13	2014-11-28
58	Zin4uk V. (Zin4uk Vadim)³³	143	103	24	339	1334	154.661	42.752	28	2014-06-24	2014-09-02
59	X D. (railgun3r)²⁸	150	104	24	350	1369	320.228	750.766	26	2014-08-16	2015-11-03
60	Mullakhanov R.Kh. (rem)⁹	89	-6	22	214	238	14.311	9.679	26	2009-06-20	2010-02-02
61	F (uff)⁵¹	175	69	31	403	1504	1067.635	952.124	25	2018-01-22	2018-08-20
62	Sivoglazov M.A. (Gaizenberg)⁵¹	156	142	24	354	801	288.636	35.424	24	2015-11-10	2020-08-10
63	Vas'kov E.V. (Johan)²	139	58	24	326	2582	544.101	1034.271	24	2013-08-16	2020-06-11
64	Sukhnev D.A. (mz)²²	130	44	23	307	2468	62.067	13.009	23	2013-05-05	2015-10-17
65	Lyubchenko V.A. (IAS56)⁶	98	84	22	233	1454	647.583	138.580	23	2010-09-14	2014-05-06
66	Anisimov D. (danilko)¹³	92	46	22	213	31	12.449	7.708	23	2009-08-12	2009-08-17
67	Egorov Yu.A. (Yury Egorov)⁴⁴	140	197	23	313	1772	19.754	13.689	21	2016-04-16	2016-04-16
68	Fajnberg M.L. (burnall)³⁶	122	185	23	281	1451	220.153	295.352	21	2013-06-05	2014-11-03
69	Golubin R.S. (Roman Golubin)³	78	4	21	186	1412	92.462	58.691	20	2009-07-01	2018-06-15
70	Kudryakov A.I. (AKudrakov)¹⁹	97	85	22	228	756	100.367	52.909	18	2010-02-05	2010-05-05
71	Suprun D. (TimonSP)⁴²	153	115	29	373	3033	11.911	1.721	15	2017-01-09	2019-02-26
72	Azbel' E.G. (enull)⁶⁹	143	143	25	348	3439	1146.201	1004.908	15	2018-02-21	2020-05-05
73	Skorohod I. (Dracul4ik)⁶⁵	143	52	25	344	2295	712.625	584.009	15	2017-09-12	2019-09-10
74	Grishin (alvigr)⁵⁵	141	140	24	321	1095	89.625	756.898	15	2014-12-10	2015-01-19
75	Grecha (grecha)⁵³	138	185	24	315	150	8.806	1.612	15	2014-02-26	2016-03-11
76	Frolov (dr.shtopor)⁶⁶	139	148	28	346	705	306.777	49.878	14	2016-04-05	2019-12-31
77	Egorov A.B. (ABEgorov)²⁰	97	140	22	231	750	15.236	8.506	14	2010-02-26	2011-05-17
78	Nikolaenko A.V. (Shadow77)¹²	88	116	22	208	761	66.333	7.673	14	2009-09-13	2019-10-11
79	Soldatenkov Yu.S. (SolYUtor)²	75	-7	21	177	1413	20.060	4.954	14	2010-04-07	2012-11-08
80	Vojnov P.E. (paparome)¹	96	252	23	221	1923	4.431	.562	13	2010-12-01	2019-05-30
81	Belogurova K. (Katy_Ekb)¹	69	1	21	166	550	10.200	3.593	13	2008-11-27	2015-03-20
82	iglbeat (iglbeat)²³	99	75	21	221	1880	31.817	15.741	12	2012-10-19	2012-10-25
83	Proskurin Yu.N. (Xonner)⁷¹	156	95	29	363	2057	51.079	7.973	11	2018-06-23	2020-07-11
84	Maslyaev V.S. (Velmont)⁶¹	158	45	27	362	2168	131.626	42.061	11	2018-02-02	2019-07-02
85	Donskikh A.V. (Ridan)²⁸	99	71	22	227	1511	699.517	31.402	11	2012-05-09	2017-04-28
86	Grishunin M.F. (MikhailFG)⁸⁵	143	40	38	365	765	113.532	3.897	10	2019-01-25	2019-12-18
87	Polyakov S.G. (Ivanoff Alex)³¹	137	135	24	319	1700	186.996	14.537	10	2013-11-29	2020-08-07
88	Kabanets E.G. (azkaban)⁵⁴	148	43	25	337	2227	1921.760	5.246	9	2015-12-30	2015-12-31
89	Bryzgunov V.A. (lorins_)⁶¹	132	153	23	302	1121	183.066	366.226	9	2013-10-23	2017-11-10
90	Bazavluk M. (DoNotLook)⁶⁶	115	2	23	271	3153	695.519	2966.369	9	2019-07-30	2019-07-30
91	Rybkina T.V. (Rybka)³⁷	105	145	22	246	156	107.455	18.281	9	2010-08-30	2020-05-31
92	Makarov I.A. (_Bkmz_)³¹	96	85	22	225	741	7.481	.499	9	2010-03-23	2015-04-04
93	Kurbanoff N.I. (Nariman Kurbanoff)³⁸	89	-14	22	203	798	203.910	141.899	9	2010-07-13	2020-07-21
94	Perfilov B.V. (B o r i s)³³	85	252	22	195	666	923.127	561.220	9	2010-03-31	2018-08-13
95	Milenkov (wqer)⁹³	146	-13	43	376	1525	122.328	13.022	8	2020-07-12	2020-09-28
96	Ilyasov V. (VadimI)⁸⁸	147	148	29	358	251	24.741	.546	8	2017-03-13	2017-04-03
97	Valuev D.I. (Fiolent)¹	103	100	23	247	2714	200.382	69.243	8	2011-02-09	2020-06-03
98	Borisenkov D.V. (xuser)²⁶	106	40	26	242	4309	5.123	.699	8	2019-11-22	2020-09-24
99	Vil'danov M. (mar_vi)²⁹	96	36	21	224	1154	107.374	3.028	8	2011-08-23	2012-11-05
100	Glazyrin D.S. (glassman)²⁴	95	-16	22	222	1731	445.786	.420	8	2013-03-14	2018-01-22

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References

Top 100

Involved in rating: 12701 Involved in second stage rating: 3363

Involved in rating: 12701
Involved in second stage rating: 3363