Last week rating | SQL Exercises

July 05, 13:32 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: 13636

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Shishkin D. (Shinuz)	12	118	25	0	25	187	05 Jul 2022
2	>Zakharov S. (sad_shrink)	13	67	20	0	20	733	05 Jul 2022
3	Firstova A.O. (FAO)	4	63	8	3	11	730	05 Jul 2022
4	Pankratov V.V. (viktor_pankratov)	4	6	7	22	29	3511	04 Jul 2022
5	Frolov K.A. (Murderface_)	3	52	7	0	7	1106	05 Jul 2022
6	Ustinova (Sforza)	4	56	6	0	6	948	04 Jul 2022
7	Zelenov (Zelyonyj)	3	52	6	0	6	1057	30 Jun 2022
8	Kuritsyn V.N. (ValNick)	3	95	5	0	5	345	04 Jul 2022
9	Khropunova S.P. (sony24)	3	40	5	0	5	1234	01 Jul 2022
10	>Ivanov A. (AlexIv)	4	32	5	0	5	2308	04 Jul 2022
11	Dolya P. (rokorok)	3	5	5	0	5	3266	02 Jul 2022
12	Azarova (YamamotoShockers)	3	8	5	0	5	5453	04 Jul 2022
13	Levis (mishlenchik)	4	5	5	0	5	6565	01 Jul 2022
14	Koposov (Fall Fox)	3	3	5	0	5	7275	03 Jul 2022
15	Gmar' D.V. (dimervvsu)	1	159	4	0	4	42	05 Jul 2022
16	Shumilova (spring2020)	2	39	4	0	4	1248	04 Jul 2022
17	>Belyakov M.Ya. (Mat_Original)	2	73	3	0	3	545	05 Jul 2022
18	>Borzov V.V. (simulacrum)	2	126	2	28	30	165	05 Jul 2022
19	Podol A.P. (Darnil)	2	2	2	0	2	9798	04 Jul 2022
20	Lanskikh K.A. (ko$)	1	86	1	0	1	361	04 Jul 2022
21	Khomutova (anzhela6660)	1	64	1	0	1	731	04 Jul 2022
22	>Kulikov (Fulham_road_sw6)	1	28	1	0	1	2600	05 Jul 2022
23	Parkhomenko D.V. (frozenPanda)	1	1	1	0	1	3730	30 Jun 2022
24	Laiho A. (lexerx)	1	1	1	0	1	13635	04 Jul 2022
25	Goncharov (ledentimi16)	0		0	27	27		05 Jul 2022
26	Kurakina S. (svvk)	0		0	23	23		30 Jun 2022
27	Moroz D. (Unicorn24)	0		0	22	22	4403	04 Jul 2022
28	Psareva V. (psarevav)	0		0	22	22	4729	05 Jul 2022
29	Volkov (dz1rt)	0		0	22	22		01 Jul 2022
30	ntaklive N.N. (ntaklive_)	0		0	15	15	5087	03 Jul 2022
31	Kondrikov A.A. (alkondrikov)	0	6	0	14	14	4023	05 Jul 2022
32	Dudov (c0g1to)	0		0	12	12	5953	04 Jul 2022
33	Hladka N. (nataniko)	0		0	11	11	5638	03 Jul 2022
34	Efimov A.A. (djinnfantazy)	0		0	9	9	6151	05 Jul 2022
35	Toropchin E.Yu. (Evgeniy_Toropchin)	0		0	9	9	6152	03 Jul 2022
36	Osipov I.A. (Riernish)	0		0	9	9	6153	04 Jul 2022
37	Trubnikov I.I. (MrFar)	0		0	9	9	6154	05 Jul 2022
38	mar'ina (mariamarina)	0		0	9	9	8522	04 Jul 2022
39	Piskova Yu. (kuljul)	0		0	9	9	8523	04 Jul 2022
40	Rashektaeva (Luybov)	0		0	9	9		01 Jul 2022
41	Kovzik (Veronika4)	0		0	9	9
42	Kvachan A. (Markaros)	0		0	9	9		30 Jun 2022
43	Tyutyunnikov M.A. (LPartia5_10)	0		0	8	8	6346	02 Jul 2022
44	Ajdaev M.N. (Muslim030)	0		0	8	8	6347	04 Jul 2022
45	Mochalova S.V. (Svetlana_1992)	0		0	8	8		28 Jun 2022
46	Lakomov V.S. (Zarako8)	0		0	8	8		02 Jul 2022
47	Zemskov (Zemya)	0		0	7	7		30 Jun 2022
48	Apatchenko A.A. (Apatcha)	0		0	7	7		04 Jul 2022
49	Lebedev A. (gretta_007)	0		0	6	6		03 Jul 2022
50	Sosnov G.R. (Sosnov)	0		0	5	5		30 Jun 2022
51	Kolomytseva (Ghostledi)	0		0	5	5		30 Jun 2022
52	Belousov I.P. (Astrowa)	0		0	4	4	8524	04 Jul 2022
53	Kalenyuk (Xenia_pwr)	0		0	4	4	8525	05 Jul 2022
54	M (trewqQt)	0		0	4	4	8526	05 Jul 2022
55	Tarasov (Stas1337)	0		0	4	4	13629	02 Jul 2022
56	Romasyov A.A. (NewSQLGod)	0		0	4	4		30 Jun 2022
57	Petrov (Dmytro80)	0		0	4	4		28 Jun 2022
58	Kamysheva M.V. (MarushkaKamy)	0		0	4	4		29 Jun 2022
59	Perekin D.S. (Rondo2112)	0		0	4	4		01 Jul 2022
60	Levitin (Levitin)	0		0	4	4		01 Jul 2022
61	Murav'ev A. (AndreyETL)	0		0	3	3	8870	01 Jul 2022
62	Shabahov Z.T. (Zhanibok)	0		0	3	3	8871	04 Jul 2022
63	Shajkhutdinova A.A. (alina01)	0		0	3	3	8872	04 Jul 2022
64	R J.A. (liovina)	0		0	3	3	8873	05 Jul 2022
65	tavkhelidze S. (Sandrotav01)	0		0	3	3	8874	05 Jul 2022
66	Kaspar (Kasparski)	0		0	3	3		28 Jun 2022
67	Kuydinov D. (sh4rk717)	0	69	0	2	2	565	03 Jul 2022
68	Olejnik A.Yu. (annette.oley_)	0		0	2	2		30 Jun 2022
69	Kangin (DorothyHaze)	0		0	2	2		03 Jul 2022
70	Kiyamov R.R. (Railovik)	0		0	2	2		03 Jul 2022
71	Chernyshkov A.E. (DNOokeanaFISH)	0		0	1	1	13628	05 Jul 2022
72	Meshkov M.M. (awshaolin)	0		0	1	1	13631	02 Jul 2022
73	Dzenik M.D. (MDzen)	0		0	1	1	13632	04 Jul 2022
74	Petukhova A. (LinaRin)	0		0	1	1	13633	04 Jul 2022
75	Pukhov O.E. (zeroleg)	0		0	1	1	13634	05 Jul 2022
76	Baranova (katstar21)	0		0	1	1	13636	05 Jul 2022
77	fokixos F.F. (fokixos)	0		0	1	1
78	Putta C. (Charith)	0		0	1	1		01 Jul 2022

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