Last week rating | SQL Exercises

May 16, 20:41 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: 12943

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Sajfullina E.F. (elena-fairy)	8	49	15	0	15	1012	16 May 2021
2	Mitroshin D.G. (d_mit)	9	59	12	0	12	765	13 May 2021
3	Yartsev Yu. (Yury66)	8	124	10	0	10	201	14 May 2021
4	plesca V.R. (vp111131)	5	5	7	0	7	6197	14 May 2021
5	Novikov (PNA921)	2	124	5	0	5	193	16 May 2021
6	Ignatyuk P.V. (Pavel_Ignatjuk)	3	3	4	3	7	6164	12 May 2021
7	bulkina I. (irina1972)	3	16	4	0	4	3528	16 May 2021
8	Fedorova M.A. (Est_Sov)	3	5	4	0	4	6260	11 May 2021
9	Shatalin A.A. (Shaa)	3	64	3	0	3	565	15 May 2021
10	Kuznetsov K.V. (Neznajka na Lune)	2	2	3	0	3	8291	15 May 2021
11	Lyaschenko S.N. (pimen78)	1	67	2	0	2	608	14 May 2021
12	Yarovaya Yu.V. (YuliyaYar)	2	53	2	0	2	1018	12 May 2021
13	Lisajchuk D.M. (Lisou)	2	3	2	0	2	3515	14 May 2021
14	Kuritsyn V.N. (ValNick)	1	7	2	0	2	5342	10 May 2021
15	Klabukova (Master_Nagibaster)	1	1	1	0	1	12811	10 May 2021
16	Naumov (snaumov)	1	1	1	0	1	12880	10 May 2021
17	1212 (usvfasva1)	0		0	25	25		13 May 2021
18	Yu L.D. (leraYu14)	0		0	23	23		14 May 2021
19	Gadulvaleev T. (Garretoys)	0		0	23	23		13 May 2021
20	Yakovlev (sorry_lapki)	0		0	23	23		14 May 2021
21	Haliatsina (kengaby)	0		0	23	23		14 May 2021
22	Khamzin R. (MoNNoX)	0		0	21	21	4954	16 May 2021
23	Timoshin A. (aleksandr.timoshin)	0		0	19	19		12 May 2021
24	Sergey K.V. (Sergey01)	0		0	19	19		14 May 2021
25	Bagrova K. (baggybag)	0		0	17	17		14 May 2021
26	dadasheva D.D. (dadasheva)	0		0	13	13		14 May 2021
27	Istomin V. (JamesBomzh)	0		0	11	11	5393	16 May 2021
28	teslichenko A.V. (anna-anna)	0		0	11	11	8427	15 May 2021
29	EvgenijaS (EvgenijaSemenchenko)	0		0	11	11		12 May 2021
30	omgjulie (omgjulie)	0		0	11	11		11 May 2021
31	Ilnicka (Katerina_Ilnicka)	0		0	11	11		11 May 2021
32	Sokolov D.A. (Demonstels)	0		0	11	11		16 May 2021
33	Zenin M.A. (mzenin)	0		0	11	11		16 May 2021
34	Mel'nichenko D.S. (MasterDemetrius)	0		0	11	11		12 May 2021
35	Lopatina (Tata_Lopatina)	0		0	11	11		14 May 2021
36	Poida O. (Oleg_Poida)	0		0	11	11		11 May 2021
37	D'yachenko K.N. (gsusha)	0		0	11	11		14 May 2021
38	Kadukalo (sanakad)	0		0	11	11		11 May 2021
39	Ozerova E.O. (Elena1992)	0		0	11	11		13 May 2021
40	Lozovoj I.G. (Illarion_Lozovoi)	0		0	11	11		14 May 2021
41	Hura Z. (Zakhar Hura)	0		0	11	11		14 May 2021
42	Bobrikova (AnastasiiaBobrikova)	0		0	10	10	9374	15 May 2021
43	Dobrin E.A. (Dobrin10)	0		0	10	10		14 May 2021
44	luc (luckys)	0		0	10	10		11 May 2021
45	Kryuchkova (Orokodan)	0		0	9	9	5868	16 May 2021
46	terrignnn (terrignn)	0		0	9	9		13 May 2021
47	Volodin B. (vlbogdan)	0		0	9	9		11 May 2021
48	Gapijchuk V.V. (Vaddrummer)	0		0	9	9		12 May 2021
49	Helena (Helena_SH)	0		0	9	9		12 May 2021
50	Minzer V. (VladislavMinzer)	0		0	9	9		12 May 2021
51	Ponomaryov (VLSDV)	0		0	9	9		12 May 2021
52	Kozachuk A. (anyuta.kozachuk)	0		0	9	9		12 May 2021
53	Rupich I.O. (iryna_rupich)	0		0	9	9		11 May 2021
54	Lysyuk V.V. (Vadim1977)	0		0	9	9		11 May 2021
55	vlad965 (vladyslav1917)	0		0	9	9		12 May 2021
56	Sosnovaya S.A. (Sofia96)	0		0	9	9		13 May 2021
57	Yurii P.I. (Yurii_Prym)	0		0	9	9		12 May 2021
58	Velychko (OksanaVelychko)	0		0	9	9		13 May 2021
59	Bulgakova (KateSQL_123)	0		0	9	9		12 May 2021
60	Pushkar' S.P. (Sergii2305)	0		0	8	8		12 May 2021
61	Hapchuk (Kolya8989)	0		0	8	8		10 May 2021
62	Il'inykh O.G. (olga2128)	0		0	8	8		12 May 2021
63	Gordievskikh V.B. (vgord)	0		0	7	7		13 May 2021
64	Semiuglov N.S. (N.Semiuglov)	0		0	6	6		12 May 2021
65	Sergienko I.A. (k_Hart)	0		0	6	6		13 May 2021
66	Shykhov D. (DmitriyShykhov)	0		0	6	6		10 May 2021
67	Kuz' V. (KuzVitalii)	0		0	5	5	7410	16 May 2021
68	Java (prolga_feed1)	0		0	5	5	7411	14 May 2021
69	Ermolaev M.K. (ermolmak)	0		0	5	5		16 May 2021
70	Ruzakov (Ruzakov)	0		0	5	5		12 May 2021
71	Dimande M. (ME77O)	0		0	5	5		14 May 2021
72	KATES (KATESATOR)	0	1	0	4	4	6302	16 May 2021
73	Vyrovchikov D. (RVDakaSk8er)	0		0	4	4		13 May 2021
74	Okhotnikov M.M. (Albuquerque_maks)	0		0	4	4		10 May 2021
75	Tsapkin (jarblj)	0		0	4	4		10 May 2021
76	Tishkova N. (orangeapple)	0		0	4	4		12 May 2021
77	CH I.O. (MammaMia)	0		0	4	4		14 May 2021
78	Garoju A.V. (codingPenguin)	0		0	4	4		12 May 2021
79	Zaslavskyi A. (Ark_z)	0		0	4	4		14 May 2021
80	Vitvitskij M.V. (Max Vit)	0		0	4	4		11 May 2021
81	Gorbachev (Cerg0)	0		0	4	4		14 May 2021
82	Dzhanglpaj (JUNglePy)	0		0	4	4		15 May 2021
83	Valyas O.A. (SQLStudentV)	0		0	4	4		13 May 2021
84	Bondarenko (MiraBond)	0		0	4	4		13 May 2021
85	Mametayeva A. (Aidana Mametayeva)	0		0	4	4		14 May 2021
86	Lomako S. (Sofiiiiiiiiiia)	0		0	4	4		14 May 2021
87	Prisiazhniuk I. (FF123456)	0		0	4	4		11 May 2021
88	Levchenko M. (marcizza)	0		0	4	4		12 May 2021
89	Zherebin (@zherebin)	0		0	3	3	8421	15 May 2021
90	Ignatyuk D. (d-EN)	0		0	3	3	8422	14 May 2021
91	student (student044)	0		0	3	3	8423	15 May 2021
92	Sibireva A. (Crisalida)	0		0	3	3	8424	15 May 2021
93	KS (Quin)	0		0	3	3	8425	16 May 2021
94	Petrov I.I. (GeraGena)	0		0	3	3	8426	15 May 2021
95	Plex (Zoreks)	0		0	3	3	8428	15 May 2021
96	KOkokok (KOkokok0)	0		0	3	3	9375	15 May 2021
97	S A. (art24ru)	0		0	3	3		15 May 2021
98	Bizyaev E. (Egorth)	0		0	3	3		13 May 2021
99	Ognev E.P. (nemox_sql)	0		0	3	3		10 May 2021
100	Kormilin A.A. (A.A.Kormilin)	0		0	3	3		14 May 2021
101	shipilov (yuryshipilov)	0		0	3	3		15 May 2021
102	Shynal Yu.Yu. (YuliiaShynal01)	0		0	3	3		12 May 2021
103	Mikhajlenko A.G. (AGMikhaylenko)	0		0	3	3		12 May 2021
104	Makarov (Igor2323)	0		0	3	3		16 May 2021
105	Smetanov N. (nikitko2567)	0		0	3	3		10 May 2021
106	Tkachenko O. (zalikovka2)	0		0	2	2		11 May 2021
107	Chirnov A... (Merzlak)	0		0	2	2		16 May 2021
108	Bojko I.G. (BoykoTOP)	0		0	2	2		14 May 2021
109	Mizernov E.R. (egor_romanovich)	0		0	2	2		14 May 2021
110	Akmatova N. (Nargiza)	0		0	2	2		15 May 2021
111	Moiseenko S.I. (Serge I)	0	14	0	1	1	2844	16 May 2021
112	Vasilikhin V.V. (VadimV.)	0		0	1	1	12937	14 May 2021
113	Makarov V. (controlyourself)	0		0	1	1	12938	15 May 2021
114	Drutse (MaxfD)	0		0	1	1	12939	15 May 2021
115	Zhulin E.V. (zheca)	0		0	1	1	12940	15 May 2021
116	Ivanova (Dochka)	0		0	1	1	12941	16 May 2021
117	Trebunskij A.Yu. (nekrofleks)	0		0	1	1	12942	16 May 2021
118	Danilenko S. (Apprentice8)	0		0	1	1	12943	16 May 2021
119	Sivtseva (sivalien)	0		0	1	1		09 May 2021
120	Klyuev A.P. (thatsartem)	0		0	1	1		09 May 2021
121	Vibe (Filimoshka)	0		0	1	1		16 May 2021
122	Nemiro (TichonSergeevich)	0		0	1	1		10 May 2021
123	Ivanov I.I. (phil ivan)	0		0	1	1		12 May 2021
124	Narimanov N. (nurdauletnarimanov)	0		0	1	1		13 May 2021
125	Burzum B. (burzexcon)	0		0	1	1		10 May 2021
126	Tkachenko B.I. (Boris84)	0		0	1	1		12 May 2021
127	Belemenko M. (mbel)	0		0	1	1		13 May 2021

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