Last week rating | SQL Exercises

June 17, 21:53 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 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

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  • Results' chart

SQL exercises

  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
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Last-week results

n_sel - number of select exercises solved this week;
sel_all - total number of solved select exercises;
sel_scores - sum of points on select exercises earned this week;
dml_scores - sum of points on dml exercises earned this week;
scores - total sum of points earned this week;

Involved in rating: 12407

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Litvinov V.V. (NewsMan)	15	51	28	0	28	935	17 Jun 2019
2	Kisselev D. (ryan9)	15	42	28	0	28	1098	16 Jun 2019
3	Bajkov A.V. (Andrew89)	10	66	20	0	20	678	16 Jun 2019
4	>Sajgakova A.V. (Ametist)	8	84	17	0	17	357	17 Jun 2019
5	>Yartsev Yu. (Yury66)	10	32	15	2	17	2115	17 Jun 2019
6	>Kopylov A.V. (alegzey)	5	38	13	0	13	1163	17 Jun 2019
7	>Potovin N.N. (cabal trainee)	10	10	12	27	39	4988	17 Jun 2019
8	>Revyako A.A. (Anton_msk_2018)	10	19	12	0	12	1872	17 Jun 2019
9	Kon'kov D. (training123)	5	42	9	0	9	1472	17 Jun 2019
10	Abdulmanapov A. (Dvarik)	3	41	8	0	8	1121	17 Jun 2019
11	>Morgunova L. (amfisbena)	7	19	8	0	8	1847	17 Jun 2019
12	>Shabanov R.R. (Vertel)	4	40	7	0	7	1137	17 Jun 2019
13	>yakovlev V. (wyt)	3	90	6	2	8	301	17 Jun 2019
14	G (HPavel)	3	17	5	0	5	1984	16 Jun 2019
15	Kavkajkin N.V. (nikolay2106)	1	72	4	27	31	487	17 Jun 2019
16	>Gapanovich (drestar1)	3	3	4	27	31	7613	17 Jun 2019
17	Chernov D.V. (Kursist)	1	248	4	2	6	11	17 Jun 2019
18	Novikov (PNA921)	2	81	4	0	4	410	16 Jun 2019
19	Pavlyuk (Pashka_T)	3	31	4	0	4	1385	14 Jun 2019
20	>www W.W. (5252)	3	6	4	0	4	3068	17 Jun 2019
21	Norlin P.L. (Pezza)	2	2	3	1	4	7642	16 Jun 2019
22	Dubchak V. (dva2)	1	78	3	0	3	420	11 Jun 2019
23	>Grebla A.I. (A1412)	3	52	3	0	3	931	17 Jun 2019
24	Shablya A. (Ondresh)	2	21	3	0	3	1805	17 Jun 2019
25	>Zemlyanukhin (NIKITA123321)	2	2	3	0	3	7875	17 Jun 2019
26	Vasilevskaya E.A. (kattiks)	1	127	2	0	2	139	16 Jun 2019
27	alex (alex882)	2	77	2	0	2	421	14 Jun 2019
28	Lupakov V.I. (Lupakov V.I.)	1	45	2	0	2	1196	14 Jun 2019
29	Burdenko Ya. (Bsl)	1	29	2	0	2	1412	14 Jun 2019
30	Pavlov A.V. (Anton)	1	179	1	0	1	55	17 Jun 2019
31	Krayukhin D. (dkr2)	1	28	1	0	1	2682	11 Jun 2019
32	Seraklimov (Zomboyashik)	1	8	1	0	1	5448	12 Jun 2019
33	Kugach (kuga14)	1	2	1	0	1	8026	14 Jun 2019
34	Pass (Parasonic)	1	1	1	0	1	12377	17 Jun 2019
35	sabessabes S.S. (sabes)	1	1	1	0	1	12380	17 Jun 2019
36	>Shmigirev A.E. (Shmigirev)	1	1	1	0	1	12406	17 Jun 2019
37	>Bosinzon G.A. (Bosinzon)	1	1	1	0	1	12407	17 Jun 2019
38	Vadim Sh.A. (Bystryj_oryol)	0		0	27	27	3604	16 Jun 2019
39	Plotnikov A.V. (Nuance08)	0		0	18	18		13 Jun 2019
40	S (Elena S)	0		0	14	14	4752	17 Jun 2019
41	Egorov V.V. (Trizoon)	0		0	12	12	6393	17 Jun 2019
42	Alad'ev I.Yu. (ilyaalaadev)	0		0	11	11	8975	17 Jun 2019
43	Espinosa J.L. (Luchitoxxx)	0		0	11	11		12 Jun 2019
44	Vejarano R. (rod_ri3)	0		0	11	11		12 Jun 2019
45	Garibaldi J.A. (Nathonus)	0		0	11	11		12 Jun 2019
46	ChrisPi M.J. (Varela507)	0		0	11	11		12 Jun 2019
47	Hernandez N. (nabilhrnandez)	0		0	11	11		12 Jun 2019
48	Gutierrez F. (Thanatos1999)	0		0	11	11		12 Jun 2019
49	Castillo J. (xJosue)	0		0	11	11		12 Jun 2019
50	marin R.J. (somblaugrana)	0		0	11	11		12 Jun 2019
51	Nurekenov (shakedatass4megirl)	0		0	9	9	5688	16 Jun 2019
52	Arkhandeev (arhandeev)	0		0	9	9	5689	17 Jun 2019
53	Vardugina S.Yu. (SnejanaV)	0		0	9	9	5690	17 Jun 2019
54	Bychkov S.A. (TeaInTheCup)	0		0	9	9	5691	17 Jun 2019
55	Rodriguez D. (couto)	0		0	9	9	5692	17 Jun 2019
56	Hilya (vovchan1291)	0		0	9	9	5693	17 Jun 2019
57	Arkhandeev (GGW)	0		0	9	9	7735	16 Jun 2019
58	Rodriguez A. (sadboi)	0		0	9	9		12 Jun 2019
59	Gavrilov A.M. (AndreqG)	0		0	8	8		15 Jun 2019
60	Robinson Y.A. (Yael)	0		0	6	6		11 Jun 2019
61	gargamel (gargamel09876)	0		0	5	5		13 Jun 2019
62	Mosyagin A.A. (mosyaginandrey)	0		0	5	5		14 Jun 2019
63	Alex G.A. (lunaxuvro)	0		0	5	5		11 Jun 2019
64	Diaz E.S. (TheKingSaul)	0		0	5	5		11 Jun 2019
65	Calderon J.D. (Jei)	0		0	5	5		11 Jun 2019
66	Saenko I. (NickValentine)	0		0	5	5		13 Jun 2019
67	Selezen' A.N. (Artny)	0	63	0	4	4	557	17 Jun 2019
68	ratbek S.A. (shokan)	0		0	4	4	7734	15 Jun 2019
69	Davydov M.V. (Ma_xim)	0		0	4	4	7736	17 Jun 2019
70	Kyryk Y. (julkrk)	0		0	4	4	8043	14 Jun 2019
71	yaroh Y.O. (yliayaroh1)	0		0	4	4		13 Jun 2019
72	Ryzhkina I. (ILONA_RED)	0		0	4	4		14 Jun 2019
73	belikov A. (aleksey03)	0		0	4	4		14 Jun 2019
74	Mikheev I.D. (mikhey)	0		0	3	3	8044	16 Jun 2019
75	Vasileva A. (Vasyanya)	0		0	3	3	8045	16 Jun 2019
76	Ivanov A. (artyomivSQL)	0		0	3	3	8046	16 Jun 2019
77	Somova M. (marysom)	0		0	3	3	8047	16 Jun 2019
78	Che (vladdiev)	0		0	3	3	8048	17 Jun 2019
79	Ershov (AJlxuM)	0		0	3	3	8049	17 Jun 2019
80	besp V. (nonahu)	0		0	3	3	8050	17 Jun 2019
81	Persen (Snorbeorn)	0		0	3	3	8051	17 Jun 2019
82	M N. (NVM)	0		0	3	3		11 Jun 2019
83	Klochko A. (Enka26)	0		0	3	3		12 Jun 2019
84	Vagapova A.I. (alinashechka)	0		0	3	3		13 Jun 2019
85	pena R.A. (R1rapper14)	0		0	3	3		12 Jun 2019
86	i L. (Lexa_550)	0		0	3	3		11 Jun 2019
87	Kors M. (Tigrpoghf)	0		0	3	3		14 Jun 2019
88	Yakovlev A.S. (ssCRUSADERss)	0		0	3	3		11 Jun 2019
89	Gulenkin I. (FiSami)	0		0	3	3		17 Jun 2019
90	Karpenko (kobalt57)	0		0	3	3		13 Jun 2019
91	Kipernik I.A. (kipernik)	0		0	3	3		14 Jun 2019
92	Uyliia (PocomaxaPo)	0		0	3	3		14 Jun 2019
93	Zhopin (Zhopin)	0		0	3	3		11 Jun 2019
94	Bagirov E. (bagirov)	0		0	3	3		11 Jun 2019
95	rahimov (KinGR)	0		0	3	3		16 Jun 2019
96	Sigankov V.I. (vasilyvanc)	0	187	0	2	2	45	17 Jun 2019
97	Vestnikov D.A. (letsstudybegin)	0	64	0	2	2	599	13 Jun 2019
98	Neboronov M.M. (maksoooun)	0	64	0	2	2	664	16 Jun 2019
99	Zholudeva A. (Anya111)	0		0	2	2	8976	17 Jun 2019
100	Lovyanniko I.I. (Qufa)	0		0	2	2	8977	17 Jun 2019
101	Kudusov R.R. (remrem)	0		0	2	2	8978	17 Jun 2019
102	stalmakov (alexander_stalmakov)	0		0	2	2		13 Jun 2019
103	fghgfhgh F.F. (otaky111)	0		0	2	2		17 Jun 2019
104	Prokopiv N. (ProNik)	0		0	2	2		17 Jun 2019
105	Nemidko (MRLiKoKo)	0		0	2	2		14 Jun 2019
106	Petrov A.V. (Artifelse)	0		0	2	2		14 Jun 2019
107	Boldyrev G.V. (zuylamer)	0	9	0	1	1	3085	17 Jun 2019
108	Malashenko A.P. (bysidby)	0	1	0	1	1	3978	15 Jun 2019
109	Babenko A.A. (Programist2000)	0		0	1	1	12404	17 Jun 2019
110	Costa T.C. (TeresaCosta)	0		0	1	1	12405	16 Jun 2019
111	Mukhametzhanov (makeinstall)	0		0	1	1		11 Jun 2019
112	Korol'kov D.K. (krlkv)	0		0	1	1		11 Jun 2019
113	Samirkhanova A. (AlinaWell)	0		0	1	1		17 Jun 2019
114	Ursu D. (Dianna-26)	0		0	1	1		13 Jun 2019
115	Bekh S.V. (BekhSergey)	0		0	1	1		17 Jun 2019
116	arauz A.R. (angie29)	0		0	1	1		12 Jun 2019
117	BARIN B.B. (!BARIN!)	0		0	1	1		17 Jun 2019
118	Guschina A.A. (anny_diamond)	0		0	1	1		11 Jun 2019

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