Last week rating | SQL Exercises

January 18, 16:16 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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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: 12315

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Tymochko T. (Sunny_boy)	18	50	37	0	37	1253	17 Jan 2020
2	Kvochkin V. (ASEVlad)	14	38	25	0	25	1198	14 Jan 2020
3	>Tyannikov V.P. (TVP)	15	21	20	0	20	3450	18 Jan 2020
4	>Bagirov R. (lord_potato)	11	31	16	0	16	1424	18 Jan 2020
5	Stepanov M. (matthewz)	4	36	10	0	10	1259	16 Jan 2020
6	Kirilov A.V. (Arbaiter)	4	79	9	0	9	502	17 Jan 2020
7	>Igumnov (HermanI)	4	49	8	0	8	1267	18 Jan 2020
8	Kirienko P.A. (KirPeter2020)	6	6	8	0	8	5717	17 Jan 2020
9	Solopov A.N. (alex_solo)	6	82	7	3	10	402	17 Jan 2020
10	Gnusov L.Yu. (Delan)	3	83	7	0	7	410	18 Jan 2020
11	Pavlyuk (Pashka_T)	3	76	7	0	7	427	17 Jan 2020
12	Todosiev N. (robot173)	5	5	6	9	15	4650	16 Jan 2020
13	Savin A.Yu. (mirovingin)	3	96	6	0	6	314	15 Jan 2020
14	Bichev K. (gdengam)	4	81	6	0	6	376	12 Jan 2020
15	Kiseleva E. (Kiselena)	2	37	6	0	6	1275	12 Jan 2020
16	>Pusev D.V. (Pusev_Denis)	5	148	5	0	5	70	18 Jan 2020
17	Gireiko E. (Zubryonok)	2	83	5	0	5	349	17 Jan 2020
18	>Fedakov (Aleks2019)	4	28	5	0	5	1498	17 Jan 2020
19	Pavlova N.S. (NS11)	4	12	5	0	5	2365	17 Jan 2020
20	Chernov D.V. (Kursist)	1	269	4	0	4	4	18 Jan 2020
21	Baskakova M. (baskak)	2	9	4	0	4	2596	17 Jan 2020
22	Barakovskij M.A. (Aintrivius)	2	5	4	0	4	3090	17 Jan 2020
23	Kovalev E.G. (ev-kov)	4	15	4	0	4	3401	18 Jan 2020
24	Zhilyakov M.M. (zhilyakov)	4	19	4	0	4	4043	15 Jan 2020
25	Koptel'tsev V. (selber)	1	197	3	0	3	36	17 Jan 2020
26	Komov K.N. (zigmund1)	1	71	3	0	3	497	15 Jan 2020
27	Alborov K.R. (albor)	1	65	3	0	3	561	18 Jan 2020
28	Litvinov V.V. (NewsMan)	1	83	2	0	2	362	16 Jan 2020
29	Egorov A.Yu. (Anthe)	1	62	2	0	2	703	14 Jan 2020
30	Yanin M.Yu. (Mikhkha)	1	46	2	0	2	1052	17 Jan 2020
31	>Gurin A.S. (SenyaGurin)	1	43	2	0	2	1113	18 Jan 2020
32	Petrov A.I. (gji)	1	20	2	0	2	1583	16 Jan 2020
33	Zubov D.Z. (Dmitrij84)	1	24	2	0	2	2421	13 Jan 2020
34	Kolesnikov (Pyotr)	1	1	2	0	2	8804	12 Jan 2020
35	Evgenij (reFoxxygen)	2	2	2	0	2	8824	17 Jan 2020
36	>Burov I.M. (Student_Ilya)	1	1	1	27	28	7066	18 Jan 2020
37	Goryacheva E.V. (elena_)	1	56	1	0	1	714	14 Jan 2020
38	Zmeev A.V. (Aleksandp)	1	28	1	0	1	1336	17 Jan 2020
39	Poltorakin (poltorakin)	1	21	1	0	1	3582	14 Jan 2020
40	Koroleva V.A. (viwhynot)	1	1	1	0	1	5404	16 Jan 2020
41	Tremsina J. (tynx)	1	1	1	0	1	11031	17 Jan 2020
42	Panin I. (SoulDancer27)	1	1	1	0	1	12306	13 Jan 2020
43	Sankhere M.S. (zer0_co0l)	1	1	1	0	1	12307	17 Jan 2020
44	Balashov (VV2)	1	1	1	0	1	12310	11 Jan 2020
45	Shyla P. (Salt95)	0		0	27	27	6058	18 Jan 2020
46	Rudnev D.V. (DmitrijWS)	0		0	27	27		18 Jan 2020
47	Chuvilina O. (lamamami)	0		0	25	25	5854	18 Jan 2020
48	Sergienya L. (IQ68)	0		0	23	23	4782	18 Jan 2020
49	Kotsyura D.A. (DenisAK)	0		0	23	23		17 Jan 2020
50	Vodoleeva M.S. (Mariya2829)	0		0	21	21		13 Jan 2020
51	Voloshenko (Voloshenko)	0		0	20	20	4291	18 Jan 2020
52	Palaguta A. (Palaguta Aleksandr)	0		0	19	19		13 Jan 2020
53	Ivanov (Sam1934)	0		0	18	18		11 Jan 2020
54	Mitsengendler A. (rum)	0		0	17	17		17 Jan 2020
55	Mamasaliev A.I. (azikodron)	0		0	17	17		14 Jan 2020
56	Tupikin N. (Nikita Tupikin)	0		0	17	17		14 Jan 2020
57	Kizina (Crazy_Rick)	0		0	15	15	4712	18 Jan 2020
58	Popov M.V. (MikhailPopov)	0		0	15	15	5195	18 Jan 2020
59	Krejnin A. (intelgral)	0		0	15	15	5502	17 Jan 2020
60	Kritsky D. (Danila.)	0		0	14	14		17 Jan 2020
61	Leschuk M.A. (mary_leschuk)	0		0	13	13	4924	18 Jan 2020
62	Dolya V. (Gumanist)	0		0	12	12		17 Jan 2020
63	Buyanov D.S. (Buyanov1032172544)	0		0	11	11	5194	18 Jan 2020
64	Eliseeva P.E. (poly05012)	0		0	11	11	5196	18 Jan 2020
65	Shvets D. (DmitryShv07)	0		0	11	11	5671	17 Jan 2020
66	Mizaushev A.T. (1032172548 MizAT)	0		0	11	11	8899	18 Jan 2020
67	Verich A.M. (anaaaeee)	0		0	11	11	8902	18 Jan 2020
68	Panova (STUD2549)	0		0	11	11		17 Jan 2020
69	Nekhoroshikh A.K. (Anastasiya57)	0		0	11	11		12 Jan 2020
70	Kornyukhina M.A. (pampusyatina)	0		0	11	11		17 Jan 2020
71	Maatuk V. (WisamMA)	0		0	11	11		17 Jan 2020
72	Kalimullin R.A. (Der_Graf)	0		0	11	11		15 Jan 2020
73	Vedernykov I. (Garick)	0		0	11	11		15 Jan 2020
74	Kutuzova T. (tatiasha)	0		0	11	11		15 Jan 2020
75	Starovojtov E.S. (Starichok)	0		0	11	11		14 Jan 2020
76	Sob (dimaarsik)	0		0	10	10		15 Jan 2020
77	Volkova E.A. (zamaj)	0		0	9	9	5672	18 Jan 2020
78	Edelsa S. (Edelsa)	0		0	9	9		17 Jan 2020
79	Senin A. (ArtemSenin)	0		0	9	9		17 Jan 2020
80	Kashko A.I. (IQ69)	0		0	8	8		14 Jan 2020
81	Golovach A.L. (AlGolus)	0		0	8	8		18 Jan 2020
82	Markelov D.S. (satt)	0		0	8	8		15 Jan 2020
83	Chernyavskij (IT_ZP_December)	0		0	7	7		14 Jan 2020
84	Khafizov (ilnar19)	0		0	7	7		13 Jan 2020
85	Scherbakov (tyyu)	0		0	7	7		17 Jan 2020
86	Dmitriev V. (Arrrr)	0		0	6	6	8897	17 Jan 2020
87	Vetlugina N. (hna1)	0		0	6	6		17 Jan 2020
88	Osipov I.S. (ois193)	0		0	6	6		18 Jan 2020
89	Volobuev M.S. (Mikhail...)	0		0	5	5		18 Jan 2020
90	Bychkova A.Yu. (Bychkova)	0		0	5	5		12 Jan 2020
91	Milenkov (wqer)	0	143	0	4	4	95	14 Jan 2020
92	Kostin A.A. (alex.kostin)	0		0	4	4		15 Jan 2020
93	Mutali E. (Geroi)	0		0	4	4		17 Jan 2020
94	Petrov A.A. (AlexDurin)	0		0	4	4		13 Jan 2020
95	Mikhailov S. (curiouser)	0	84	0	3	3	345	14 Jan 2020
96	Gorobets (korovka)	0		0	3	3	8013	18 Jan 2020
97	Goncharenko (S4DC0MA)	0		0	3	3	8896	17 Jan 2020
98	Pa P. (RussDragon)	0		0	3	3	8898	18 Jan 2020
99	Khalilov A.Z. (Harakkosha)	0		0	3	3		17 Jan 2020
100	Jaga V.K. (VofrVendetta)	0		0	3	3		17 Jan 2020
101	Novosad (Nata2708)	0		0	3	3		13 Jan 2020
102	Potapov D. (Kono)	0		0	3	3		14 Jan 2020
103	Ulasevich Y. (yura1231997)	0		0	3	3		12 Jan 2020
104	Bezrodny (KrasnyPriypat)	0		0	3	3		13 Jan 2020
105	Arsent'ev (and38)	0		0	3	3		18 Jan 2020
106	Pippo T.P. (Rayanor)	0		0	3	3		17 Jan 2020
107	Matrosov A. (Nightmare16)	0		0	3	3		15 Jan 2020
108	Brovchuk S.U. (Svitlana98)	0		0	3	3		15 Jan 2020
109	Svintsitskaya E.B. (katya_svincickaya)	0		0	3	3		15 Jan 2020
110	Zakharov (serzah1)	0		0	3	3		17 Jan 2020
111	Popov P.S. (LOSK_MAN)	0		0	3	3		14 Jan 2020
112	Dorofeev (dorofeich)	0		0	3	3		17 Jan 2020
113	Nikandrov A.A. (Leks_Nikson)	0		0	3	3		14 Jan 2020
114	Lukashevich M. ((usa)tikz)	0		0	3	3		17 Jan 2020
115	VINOGRADOV A. (zhullex)	0		0	3	3		17 Jan 2020
116	zELENOVA (briiz)	0		0	3	3		16 Jan 2020
117	Popov M.A. (sellsword)	0		0	3	3		16 Jan 2020
118	Kokorev V.V. (Vvk125)	0		0	3	3		12 Jan 2020
119	Bochkov S.D. (SergeyBo)	0		0	3	3		16 Jan 2020
120	Fomina M.V. (Marsianka999)	0		0	3	3		15 Jan 2020
121	Pogorelov (sqlQualifier)	0		0	3	3		17 Jan 2020
122	Galanda Ya. (YakubGalanda)	0		0	2	2	8900	18 Jan 2020
123	Matievskiy V.K. (ValeryMBSU)	0		0	2	2	8901	18 Jan 2020
124	Bukatsova (FoxyDeveloper)	0		0	2	2		14 Jan 2020
125	Kapusta A.S. (kapusta_3121)	0		0	2	2		16 Jan 2020
126	Lebedev A.S. (Kudesnik1971)	0		0	2	2		15 Jan 2020
127	No (SpI)	0		0	2	2		13 Jan 2020
128	Kokorev V.V. (oznob)	0		0	2	2		13 Jan 2020
129	Boldakova Ya.A. (YanaBoldakova)	0		0	2	2		12 Jan 2020
130	Mel'nikova A.I. (yoursun)	0		0	2	2		14 Jan 2020
131	Coder S. (Q_Coder)	0		0	1	1	12313	17 Jan 2020
132	Sok M. (mitya77)	0		0	1	1	12314	17 Jan 2020
133	Buslova E. (troonsply)	0		0	1	1	12315	18 Jan 2020
134	B A.A. (abcdew)	0		0	1	1		16 Jan 2020
135	Pr G. (Grig21)	0		0	1	1		18 Jan 2020
136	Klymyuk (chigorilla)	0		0	1	1		17 Jan 2020
137	Singh R.K. (SimplyRks)	0		0	1	1		17 Jan 2020
138	Valiullin A. (unclamer)	0		0	1	1		13 Jan 2020
139	Turekulov (Turekulov1)	0		0	1	1		17 Jan 2020
140	Metelkin S.P. (shadeag33)	0		0	1	1		16 Jan 2020
141	Medvedev (tour_rv)	0		0	1	1		16 Jan 2020
142	Abdurakhmanov E.T. (elman.elman)	0		0	1	1		15 Jan 2020
143	keana7 (keana7)	0		0	1	1		17 Jan 2020
144	Xolodniuk E.O. (Kroft747)	0		0	1	1		16 Jan 2020
145	Dautov Sh.G. (KainarAsh)	0		0	1	1		17 Jan 2020
146	Ilinykh V. (Justvit)	0		0	1	1		12 Jan 2020

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