Last week rating | SQL Exercises

May 18, 05:28 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: 12964

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Sajfullina E.F. (elena-fairy)	8	50	15	0	15	1005	17 May 2021
2	Mitroshin D.G. (d_mit)	9	59	12	0	12	765	17 May 2021
3	Yartsev Yu. (Yury66)	8	124	10	0	10	201	17 May 2021
4	Ignatyuk P.V. (Pavel_Ignatjuk)	3	3	4	3	7	6169	12 May 2021
5	bulkina I. (irina1972)	3	16	4	0	4	3528	16 May 2021
6	Shatalin A.A. (Shaa)	3	64	3	0	3	565	15 May 2021
7	Kuznetsov K.V. (Neznajka na Lune)	2	2	3	0	3	8301	15 May 2021
8	Novikov (PNA921)	1	124	2	0	2	193	17 May 2021
9	Lyaschenko S.N. (pimen78)	1	67	2	0	2	608	17 May 2021
10	Yarovaya Yu.V. (YuliyaYar)	2	53	2	0	2	1018	12 May 2021
11	Nemtinova A. (golden_tigra)	1	28	2	0	2	1373	17 May 2021
12	Poltorakin (poltorakin)	1	27	2	0	2	1555	16 May 2021
13	1212 (usvfasva1)	0		0	25	25		13 May 2021
14	Khamzin R. (MoNNoX)	0		0	23	23	4800	16 May 2021
15	Yu L.D. (leraYu14)	0		0	23	23		17 May 2021
16	Gadulvaleev T. (Garretoys)	0		0	23	23		13 May 2021
17	Yakovlev (sorry_lapki)	0		0	23	23		14 May 2021
18	Sergey K.V. (Sergey01)	0		0	19	19		14 May 2021
19	Timoshin A. (aleksandr.timoshin)	0		0	19	19		12 May 2021
20	Bagrova K. (baggybag)	0		0	17	17		17 May 2021
21	dadasheva D.D. (dadasheva)	0		0	13	13		14 May 2021
22	Istomin V. (JamesBomzh)	0		0	11	11	5395	16 May 2021
23	Vasil'ev V. (vasilev.v)	0		0	11	11	5396	17 May 2021
24	teslichenko A.V. (anna-anna)	0		0	11	11	8436	15 May 2021
25	Lopatina (Tata_Lopatina)	0		0	11	11		14 May 2021
26	D'yachenko K.N. (gsusha)	0		0	11	11		14 May 2021
27	Ozerova E.O. (Elena1992)	0		0	11	11		13 May 2021
28	Lozovoj I.G. (Illarion_Lozovoi)	0		0	11	11		14 May 2021
29	Kadukalo (sanakad)	0		0	11	11		11 May 2021
30	Hura Z. (Zakhar Hura)	0		0	11	11		14 May 2021
31	Ilnicka (Katerina_Ilnicka)	0		0	11	11		11 May 2021
32	Dobrin E.A. (Dobrin10)	0		0	10	10		14 May 2021
33	Kryuchkova (Orokodan)	0		0	9	9	5871	17 May 2021
34	VADIMUSEN (Vadilauio)	0		0	9	9	5872	17 May 2021
35	Mametayeva A. (Aidana Mametayeva)	0		0	9	9	7418	17 May 2021
36	Sergienko I.A. (k_Hart)	0		0	9	9	8439	17 May 2021
37	terrignnn (terrignn)	0		0	9	9		13 May 2021
38	Rupich I.O. (iryna_rupich)	0		0	9	9		11 May 2021
39	Lysyuk V.V. (Vadim1977)	0		0	9	9		11 May 2021
40	vlad965 (vladyslav1917)	0		0	9	9		12 May 2021
41	Bulgakova (KateSQL_123)	0		0	9	9		12 May 2021
42	Sosnovaya S.A. (Sofia96)	0		0	9	9		13 May 2021
43	Helena (Helena_SH)	0		0	9	9		12 May 2021
44	Ponomaryov (VLSDV)	0		0	9	9		12 May 2021
45	Kozachuk A. (anyuta.kozachuk)	0		0	9	9		12 May 2021
46	Minzer V. (VladislavMinzer)	0		0	9	9		12 May 2021
47	Zhuravleva (Yelena_Zhuravleva)	0		0	8	8	6087	16 May 2021
48	Pushkar' S.P. (Sergii2305)	0		0	8	8		12 May 2021
49	Il'inykh O.G. (olga2128)	0		0	8	8		12 May 2021
50	Tarasenko (delirium.da)	0		0	7	7	6358	17 May 2021
51	Ermolaev M.K. (ermolmak)	0		0	7	7	9397	17 May 2021
52	Gordievskikh V.B. (vgord)	0		0	7	7		13 May 2021
53	Java (prolga_feed1)	0		0	6	6	6682	17 May 2021
54	Krivoruchko N. (GasenkoWife)	0		0	6	6	6683	17 May 2021
55	Haliatsina (kengaby)	0		0	6	6		17 May 2021
56	EvgenijaS (EvgenijaSemenchenko)	0		0	6	6		12 May 2021
57	Poida O. (Oleg_Poida)	0		0	6	6		11 May 2021
58	Kuz' V. (KuzVitalii)	0		0	5	5	7417	16 May 2021
59	KS (Quin)	0		0	5	5	7419	17 May 2021
60	Soldatova (n.s.1)	0		0	5	5	7420	17 May 2021
61	Dimande M. (ME77O)	0		0	5	5		17 May 2021
62	Ruzakov (Ruzakov)	0		0	5	5		12 May 2021
63	KATES (KATESATOR)	0	1	0	4	4	6306	16 May 2021
64	Nemiro (TichonSergeevich)	0		0	4	4	8112	18 May 2021
65	Bobrikova (AnastasiiaBobrikova)	0		0	4	4	9389	17 May 2021
66	Garoju A.V. (codingPenguin)	0		0	4	4		12 May 2021
67	CH I.O. (MammaMia)	0		0	4	4		14 May 2021
68	Zaslavskyi A. (Ark_z)	0		0	4	4		14 May 2021
69	Gorbachev (Cerg0)	0		0	4	4		14 May 2021
70	Dzhanglpaj (JUNglePy)	0		0	4	4		15 May 2021
71	Lomako S. (Sofiiiiiiiiiia)	0		0	4	4		14 May 2021
72	Levchenko M. (marcizza)	0		0	4	4		12 May 2021
73	Valyas O.A. (SQLStudentV)	0		0	4	4		13 May 2021
74	Bondarenko (MiraBond)	0		0	4	4		17 May 2021
75	Velychko (OksanaVelychko)	0		0	4	4		13 May 2021
76	Mel'nichenko D.S. (MasterDemetrius)	0		0	4	4		12 May 2021
77	Zherebin (@zherebin)	0		0	3	3	8431	17 May 2021
78	Ignatyuk D. (d-EN)	0		0	3	3	8432	14 May 2021
79	student (student044)	0		0	3	3	8433	15 May 2021
80	Sibireva A. (Crisalida)	0		0	3	3	8434	15 May 2021
81	Petrov I.I. (GeraGena)	0		0	3	3	8435	15 May 2021
82	Plex (Zoreks)	0		0	3	3	8437	15 May 2021
83	Buranov A.S. (Buranoff2021)	0		0	3	3	8438	17 May 2021
84	Konkina (Lyupin)	0		0	3	3	8440	17 May 2021
85	Panush A.E. (Redbirds)	0		0	3	3	8441	17 May 2021
86	Golovastik (Zhenek Minsky)	0		0	3	3	8442	17 May 2021
87	Chizhov (chijov_an)	0		0	3	3	8443	17 May 2021
88	KOkokok (KOkokok0)	0		0	3	3	9390	15 May 2021
89	S A. (art24ru)	0		0	3	3		15 May 2021
90	Bizyaev E. (Egorth)	0		0	3	3		13 May 2021
91	Kormilin A.A. (A.A.Kormilin)	0		0	3	3		17 May 2021
92	Mikhajlenko A.G. (AGMikhaylenko)	0		0	3	3		12 May 2021
93	Makarov (Igor2323)	0		0	3	3		17 May 2021
94	Shynal Yu.Yu. (YuliiaShynal01)	0		0	3	3		12 May 2021
95	shipilov (yuryshipilov)	0		0	3	3		17 May 2021
96	Petrov Y. (YuriPetrov)	0	196	0	2	2	34	18 May 2021
97	Smirnov A.A. (Gurkin)	0		0	2	2	9391	17 May 2021
98	Ivanova (Dochka)	0		0	2	2	9392	17 May 2021
99	Chirnov A... (Merzlak)	0		0	2	2	9393	17 May 2021
100	Vasilikhin V.V. (VadimV.)	0		0	2	2	9394	17 May 2021
101	Danilenko S. (Apprentice8)	0		0	2	2	9395	17 May 2021
102	Zhulin E.V. (zheca)	0		0	2	2	9396	17 May 2021
103	Mizernov E.R. (egor_romanovich)	0		0	2	2		14 May 2021
104	Bojko I.G. (BoykoTOP)	0		0	2	2		14 May 2021
105	Tishkova N. (orangeapple)	0		0	2	2		12 May 2021
106	omgjulie (omgjulie)	0		0	2	2		11 May 2021
107	Prisiazhniuk I. (FF123456)	0		0	2	2		11 May 2021
108	Yurii P.I. (Yurii_Prym)	0		0	2	2		12 May 2021
109	Gapijchuk V.V. (Vaddrummer)	0		0	2	2		12 May 2021
110	Moiseenko S.I. (Serge I)	0	14	0	1	1	2844	17 May 2021
111	Makarov V. (controlyourself)	0		0	1	1	12959	16 May 2021
112	Drutse (MaxfD)	0		0	1	1	12960	15 May 2021
113	Trebunskij A.Yu. (nekrofleks)	0		0	1	1	12961	16 May 2021
114	Senin (Vadim11111)	0		0	1	1	12962	17 May 2021
115	Vibe (Filimoshka)	0		0	1	1	12963	17 May 2021
116	Tsapkin (jarblj)	0		0	1	1	12964	18 May 2021
117	Semiuglov N.S. (N.Semiuglov)	0		0	1	1		12 May 2021
118	Ivanov I.I. (phil ivan)	0		0	1	1		12 May 2021
119	Narimanov N. (nurdauletnarimanov)	0		0	1	1		13 May 2021
120	Tkachenko B.I. (Boris84)	0		0	1	1		12 May 2021
121	Belemenko M. (mbel)	0		0	1	1		13 May 2021

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