Last week rating | SQL Exercises

March 21, 18:20 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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SQL exercises

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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: 14018

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Ershov I. (qzva)	9	70	14	0	14	736	21 Mar 2023
2	>Ermakov D.S. (ErmakOFF)	4	8	7	0	7	2786	21 Mar 2023
3	>Kul'shin A.A. (GrafSobakin)	5	5	7	0	7	6718	21 Mar 2023
4	Hsu (Zeta_poki)	4	4	6	10	16	3375	16 Mar 2023
5	>Daschinskij I. (ivan dasch)	4	6	6	0	6	3072	21 Mar 2023
6	>Naumov A.D. (diishappiness)	2	35	5	0	5	1855	21 Mar 2023
7	Markov I.E. (SleepwalkerCoder)	2	17	4	0	4	2065	14 Mar 2023
8	Frolov K.A. (Murderface_)	1	99	3	0	3	268	15 Mar 2023
9	Turpetko R. (Turpetko Roman)	1	98	3	0	3	270	17 Mar 2023
10	Ustinova (Sforza)	1	93	3	0	3	289	18 Mar 2023
11	Bredikhin M. (maxim_bredikhin)	1	60	3	0	3	860	21 Mar 2023
12	Timonin D.E. (DmiTim)	1	19	3	0	3	1507	20 Mar 2023
13	>Tymchuk D. (Dimetrini)	1	5	2	4	6	3238	21 Mar 2023
14	Tatsyuk A. (alexnav)	1	45	2	0	2	1472	21 Mar 2023
15	Ivanov N. (not4heiter)	1	1	2	0	2	9948	17 Mar 2023
16	>mpe (Maple4)	1	1	2	0	2	10162	21 Mar 2023
17	Fajzullin D.K. (D^Mir)	1	4	1	2	3	3978	20 Mar 2023
18	Kislekov A.M. (Panzerkampfwagen)	1	74	1	0	1	441	21 Mar 2023
19	Petrovich D.V. (dpiatrovich)	1	2	1	0	1	3772	20 Mar 2023
20	Yanina O. (Olga_Ianina)	1	11	1	0	1	5074	19 Mar 2023
21	Arakelov A. (alexed26)	1	1	1	0	1	14009	19 Mar 2023
22	>Pogorelov (pogorelovant)	1	1	1	0	1	14014
23	>Efimov (Amorant655)	1	1	1	0	1	14015
24	>Panov R. (Amorant)	1	1	1	0	1	14017	21 Mar 2023
25	>Kolikov E.V. (gekow293)	1	1	1	0	1	14018	21 Mar 2023
26	Antonov V.P. (adept1337)	0		0	27	27	5268	18 Mar 2023
27	Shan'gin (Lless.spb)	0		0	22	22	4482	19 Mar 2023
28	Lialikova (IrinaLialikova)	0		0	22	22	4483	20 Mar 2023
29	Materukhin E.V. (sobako)	0		0	21	21	7981	21 Mar 2023
30	Kovylyaeva (annkov)	0		0	17	17		20 Mar 2023
31	Shamin D.P. (Shamin89)	0		0	15	15		17 Mar 2023
32	Soskin A.I. (Capybarka)	0		0	13	13	5432	20 Mar 2023
33	Kraus A.V. (Artem2204)	0		0	12	12		16 Mar 2023
34	Chudikov D. (Daniil0909)	0		0	11	11	5751	20 Mar 2023
35	wrwer W.S. (notSQL_enjoyer)	0		0	11	11	5752	20 Mar 2023
36	Tuganbaeva D. (Dariga Tuganbaeva)	0		0	11	11		18 Mar 2023
37	Lutsenko K. (klutsenko)	0		0	11	11		15 Mar 2023
38	L N.L. (Nick11123)	0		0	11	11		16 Mar 2023
39	Rizzlerburg R.R. (rizzosif)	0		0	11	11		15 Mar 2023
40	Shul'zhik D.N. (abbsgng)	0		0	11	11		15 Mar 2023
41	Trofimov E.A. (Hemingway)	0		0	9	9	6277	18 Mar 2023
42	Paramonova E.Yu. (Katetetete)	0		0	9	9	6278	19 Mar 2023
43	Kanaev (guguzig)	0		0	9	9	6279	20 Mar 2023
44	Petrenko V.M. (Gorbachow)	0		0	9	9	6280	21 Mar 2023
45	Kaminskaya (Helen0909)	0		0	9	9	6477	17 Mar 2023
46	Ivanova (morskaya_sqlka)	0		0	9	9	9090	21 Mar 2023
47	Timoshenko A.S. (Jemva)	0		0	9	9		20 Mar 2023
48	Churikov V.I. (scanlav)	0		0	9	9		20 Mar 2023
49	Gulyaev A.V. (AlexandrQA)	0		0	9	9		21 Mar 2023
50	Yushkevich (Serge1508)	0		0	9	9		15 Mar 2023
51	lol (ZYUZYAZYA)	0		0	9	9		15 Mar 2023
52	Shlyakhov A.M. (Sfedu_shlyahov)	0		0	9	9		16 Mar 2023
53	Sirazetdinov A.N. (Azat2222)	0		0	8	8	6478	20 Mar 2023
54	Skirda M.K. (Sayorineko)	0		0	8	8	6479	21 Mar 2023
55	Elland I.S. (Ilya190)	0		0	8	8		16 Mar 2023
56	F (eatmeta)	0		0	7	7	6881	20 Mar 2023
57	kiselev (Toni69)	0		0	7	7	6882	21 Mar 2023
58	Uryupkina E.V. (Uryupkina ekaterina)	0		0	6	6	9088	20 Mar 2023
59	xghfgh F.F. (hfgfhf)	0		0	6	6
60	hch Y. (hhh26)	0		0	5	5	7979
61	Prosto I. (fyva)	0		0	5	5	7980	20 Mar 2023
62	Alimbekova (DiN`)	0		0	5	5	8723	21 Mar 2023
63	Yumkin P.A. (Groon)	0		0	5	5	10157	20 Mar 2023
64	pushkin V.A. (vpushkin1)	0		0	5	5		15 Mar 2023
65	Yerkin Y. (Yerkin Yelina)	0		0	5	5		17 Mar 2023
66	Ab Y.Y. (yerzvatt)	0		0	5	5		17 Mar 2023
67	Rubashevskaya A.A. (Nacy_TG)	0		0	4	4	8720	20 Mar 2023
68	Skorobogatov D.I. (ZeePLeeN)	0		0	4	4	8721	20 Mar 2023
69	Bogatova (degrezer00)	0		0	4	4	8722	21 Mar 2023
70	Zharko T.S. (tanyazharko)	0		0	4	4		15 Mar 2023
71	Gribovsky P. (SqlTranee)	0		0	4	4		15 Mar 2023
72	Komov K.N. (zigmund1)	0	125	0	3	3	135	18 Mar 2023
73	Vdovin S. (Rujan)	0	63	0	3	3	616	19 Mar 2023
74	Bojchenko S.A. (Serega_1988_boich)	0	1	0	3	3	6777	20 Mar 2023
75	Moiseeva A. (Stacy729)	0		0	3	3	9086	18 Mar 2023
76	Belyaev (StariyPes)	0		0	3	3	9087	19 Mar 2023
77	Budilin (DaimondHD)	0		0	3	3	9091	21 Mar 2023
78	Myagkov N.A. (Dr.Soft)	0		0	3	3	10154	18 Mar 2023
79	Temirkhan A.M. (Bt21)	0		0	3	3		17 Mar 2023
80	Amanzhol A.A. (Aidanaxd)	0		0	3	3		17 Mar 2023
81	Goldshtein (The Henry)	0		0	3	3		15 Mar 2023
82	Ovsepyan S.R. (SEDAIRON)	0		0	3	3		16 Mar 2023
83	Kuznetsov Yu.K. (Obern)	0		0	3	3		16 Mar 2023
84	Marchenko L. (Lorimar)	0		0	3	3		14 Mar 2023
85	Babanskykh A. (Andrii198705)	0		0	3	3
86	Golubchikov (_1dmitry1_)	0		0	3	3		17 Mar 2023
87	Ryazantsev D.R. (Regets)	0		0	3	3		21 Mar 2023
88	Sobol (Sobo1)	0		0	3	3		15 Mar 2023
89	Golovin I.N. (CapybaraSwim)	0		0	2	2	10155	20 Mar 2023
90	Artyom E.S. (Evsev)	0		0	2	2	10156	20 Mar 2023
91	Sizov P. (pawJunior)	0		0	2	2	10158
92	Khaliullin A. (Azat0110)	0		0	2	2	10159	20 Mar 2023
93	Kalabin K.S. (KnKalab)	0		0	2	2	10160	20 Mar 2023
94	Uchenik (Uchenik61)	0		0	2	2	10161	21 Mar 2023
95	Belokopytova P.O. (poliusik)	0		0	2	2		16 Mar 2023
96	- -.-. (RINAaa3200)	0		0	2	2		16 Mar 2023
97	V (Tenyva)	0	109	0	1	1	233	20 Mar 2023
98	Sandakov Y.N. (Yarosalvmillion)	0		0	1	1	14006	18 Mar 2023
99	Meleeva U.A. (athosfry)	0		0	1	1	14007
100	Merzakhmetov I.T. (isl)	0		0	1	1	14008	19 Mar 2023
101	Bol'shakov N. (Galge)	0		0	1	1	14010	19 Mar 2023
102	Kholodkov P.A. (Holodz)	0		0	1	1	14013	21 Mar 2023
103	Sajdalin A. (Aslan Say)	0		0	1	1	14016	21 Mar 2023
104	Mel'yanovskaya E. (melena5)	0		0	1	1		15 Mar 2023
105	Smirnov I. (Swen)	0		0	1	1		17 Mar 2023
106	Anfalov V.S. (wrtx)	0		0	1	1		21 Mar 2023
107	Shirokozhukhov (DKRusty)	0		0	1	1		17 Mar 2023
108	Polozov (Gatchin)	0		0	1	1

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