Last week rating | SQL Exercises

October 20, 06:28 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: 12775

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Pravdyuk R.M. (Pro100geniy)	17	23	24	0	24	3310	19 Oct 2020
2	Il'in A.N. (Ilin Andrey)	16	28	21	0	21	1530	19 Oct 2020
3	Kokunina M.V. (Liss-miss)	8	33	10	2	12	1385	18 Oct 2020
4	Filippov A.V. (Silencer)	7	20	9	0	9	1901	19 Oct 2020
5	Kurbanaliev (Grazz)	4	25	8	0	8	1599	19 Oct 2020
6	Sh (Prokastinatsiya)	5	5	7	0	7	6207	19 Oct 2020
7	Slepnev S.V. (SergSlep)	5	30	6	0	6	1452	19 Oct 2020
8	ZVOVA (ZVOVA)	5	16	6	0	6	2152	18 Oct 2020
9	Malashkina (MalIng)	4	4	5	27	32	6827	19 Oct 2020
10	Savin A.Yu. (mirovingin)	1	101	4	0	4	257	19 Oct 2020
11	Nikolaj (Bulocka_c_izumom)	1	100	4	0	4	345	20 Oct 2020
12	gls G.G. (gls52)	2	63	3	14	17	572	19 Oct 2020
13	Sidoruk (Avrora)	2	2	3	0	3	8217	18 Oct 2020
14	Zelentsov I.A. (Overcomzi)	1	38	2	0	2	1226	17 Oct 2020
15	Mel'nikova Zh.A. (Jannetta)	2	11	2	0	2	2475	18 Oct 2020
16	SmirnOFF (select0r)	1	29	2	0	2	2569	19 Oct 2020
17	N M.Y. (Stevebob)	1	1	1	14	15	12773	19 Oct 2020
18	Litvinov V.V. (NewsMan)	1	103	1	0	1	235	14 Oct 2020
19	Chernyj Zh. (chijik)	1	22	1	0	1	3544	18 Oct 2020
20	Aleksandrov (Sergey.AA)	1	14	1	0	1	4654	18 Oct 2020
21	troit (evgenia2020)	1	1	1	0	1	12760	14 Oct 2020
22	Yakovlev D.V. (D14ARA)	1	1	1	0	1	12771	19 Oct 2020
23	Pashkovskaya E.A. (Koshka Katja)	0		0	23	23		15 Oct 2020
24	Petrov P.P. (KViach)	0		0	11	11	5339	19 Oct 2020
25	Churakhin A.A. (Junal)	0		0	11	11	5340	18 Oct 2020
26	mir G.M. (genamir09)	0		0	11	11	5342	18 Oct 2020
27	Alifanov A.Yu. (Adrean)	0		0	11	11	5343	18 Oct 2020
28	Khmel A. (Asya1994)	0		0	11	11	5344	18 Oct 2020
29	Frolov K.N. (FroLove)	0		0	11	11	5345	18 Oct 2020
30	Chubenko S. (svch13)	0		0	11	11	5346	19 Oct 2020
31	Kirilin E. (grimmtheslayer)	0		0	11	11	5347	19 Oct 2020
32	Ser (iraaaaaaaaaaaaaaaaaaaaaaa)	0		0	11	11	5348	19 Oct 2020
33	Mir (15Ann15)	0		0	11	11	5349	19 Oct 2020
34	Perederiev S.S. (Spektra)	0		0	11	11	5350	20 Oct 2020
35	Korovenkova O. (farmmix)	0		0	11	11	5871	17 Oct 2020
36	Pupkin V. (Vasya Pupkin)	0		0	11	11	6623	19 Oct 2020
37	sdfsdfsdf (Kronge)	0		0	11	11	6624	19 Oct 2020
38	Grynyk V. (ViGrey)	0		0	11	11	7341	19 Oct 2020
39	Maz O. (OlehMaz)	0		0	11	11	8024	17 Oct 2020
40	Pytlyk M. . (marutest)	0		0	11	11		19 Oct 2020
41	Reznichenko O.A. (Rezollg)	0		0	11	11		15 Oct 2020
42	Bogataya Yu. (Yulia Bogata)	0		0	11	11		18 Oct 2020
43	Andriy S.D. (NaVi_SiMa)	0		0	11	11		16 Oct 2020
44	Neznaiomaia V. (1varvara1)	0		0	11	11		18 Oct 2020
45	Yurchak V.O. (Geck0)	0		0	11	11		16 Oct 2020
46	Denisenko D.A. (Mefis)	0		0	11	11		15 Oct 2020
47	Mitrokhin S.V. (TANK142)	0		0	11	11		14 Oct 2020
48	Zinnatullin (Danis_2020)	0		0	9	9	5868	16 Oct 2020
49	Bondar (WSXCDE17102020)	0		0	9	9	5869	18 Oct 2020
50	isikova E.I. (makovka12)	0		0	9	9	5870	19 Oct 2020
51	Sokolov (fenix_nix)	0		0	9	9	5872	18 Oct 2020
52	Morhun A. (AlyaM)	0		0	9	9	5873	18 Oct 2020
53	Khudiakova (Kseniia_11)	0		0	9	9	5874	18 Oct 2020
54	Maslyokha O.A. (Oleg Maslyokha)	0		0	9	9	5875	19 Oct 2020
55	Kurseeva R.Yu. (kursieieva)	0		0	9	9	5876	19 Oct 2020
56	Olefirenko (Simferopol)	0		0	9	9	5877	19 Oct 2020
57	Makoveenko A. (Annmala)	0		0	9	9	6626	19 Oct 2020
58	Holyk Y.S. (Yurec0770)	0		0	9	9	9271	19 Oct 2020
59	Treskunova E. (Elen_ka13)	0		0	9	9	12769	19 Oct 2020
60	Evenko N. (soyssause04)	0		0	9	9		16 Oct 2020
61	Pshenichnaya Yu. (Pshenychna)	0		0	9	9		19 Oct 2020
62	zival (parzival__)	0		0	9	9		15 Oct 2020
63	Pavlukova S.A. (Sabi_pavlukova)	0		0	9	9		19 Oct 2020
64	Muzyrya A.S. (SashaM090580)	0		0	8	8	6083	18 Oct 2020
65	Tolstenko (AlexBugsHanter)	0		0	8	8	6084	19 Oct 2020
66	Kravtsov (Kravtsow744)	0		0	8	8	6085	19 Oct 2020
67	Litvinenko N. (Zilark)	0		0	8	8	6304	19 Oct 2020
68	Hordii (Yarosl)	0		0	8	8	6621	19 Oct 2020
69	Chudakova (Manchot)	0		0	8	8		16 Oct 2020
70	Jay (re-sqler)	0		0	7	7	6302	17 Oct 2020
71	Zaverukha A.S. (Mortiarion)	0		0	7	7	6303	18 Oct 2020
72	Berezhok A. (Berezhok1)	0		0	7	7	8026	19 Oct 2020
73	Khmel V. (bravier)	0		0	6	6	6619	18 Oct 2020
74	Dovbysh (CommanderOysterr)	0		0	6	6	6620	19 Oct 2020
75	Kim P. (PLC)	0		0	6	6	6622	19 Oct 2020
76	Zheglov A. (Zheg)	0		0	6	6	6625	19 Oct 2020
77	Lavrent'eva A.V. (AniLav)	0		0	6	6	6627	19 Oct 2020
78	Zarakhovych D. (DenysZ)	0		0	6	6	8351	19 Oct 2020
79	Zaidens (Konst Nasassia)	0		0	6	6		17 Oct 2020
80	Anisimova V.S. (cvhjioz)	0		0	6	6		19 Oct 2020
81	Sidorov Yu.O. (qAYura)	0		0	6	6		16 Oct 2020
82	Tyukhteev A. (discofan)	0		0	6	6		15 Oct 2020
83	Kurtova K.K. (KurtovaE)	0		0	6	6		15 Oct 2020
84	Barabanov (Barabok)	0		0	5	5	7340	19 Oct 2020
85	Kondratkov A.A. (AntonKondratkov)	0		0	5	5	7342	17 Oct 2020
86	Ser (hedgehog11)	0		0	5	5	7343	18 Oct 2020
87	Lychman S. (Lychman S.)	0		0	5	5	7344	19 Oct 2020
88	Sidorenko M. (AviaMarina)	0		0	5	5	8347	19 Oct 2020
89	Golubeva (golubeva yul)	0		0	5	5		16 Oct 2020
90	Dyachenko M.I. (mi.diachenko)	0		0	5	5		13 Oct 2020
91	Ivkina N. (Ivkina)	0		0	4	4	8025	18 Oct 2020
92	Ponyatovskaya (diana229)	0		0	4	4		16 Oct 2020
93	Bykovskaya D. (kosmolet)	0		0	4	4		16 Oct 2020
94	Dzyuba (Tata L)	0		0	3	3	8340	19 Oct 2020
95	Polyakova I. (abracad)	0		0	3	3	8341	19 Oct 2020
96	Bazhenova (SvetlanaBazhenova)	0		0	3	3	8342	18 Oct 2020
97	Ryabova K. (Kseniam.r)	0		0	3	3	8343	18 Oct 2020
98	Erokhina (Esteltari)	0		0	3	3	8344	18 Oct 2020
99	Konovalova P. (polina_kon)	0		0	3	3	8345	18 Oct 2020
100	Repchenko L. (lili_spark97)	0		0	3	3	8346	19 Oct 2020
101	Polischukov R.M. (Roman009)	0		0	3	3	8348	19 Oct 2020
102	Vydmysh A.A. (Vudmushka)	0		0	3	3	8349	19 Oct 2020
103	Dmitrij E.S. (dmyr)	0		0	3	3	8350	19 Oct 2020
104	Tsikisov T.Kh. (tsikis)	0		0	3	3	8352	19 Oct 2020
105	Vovk D.S. (Marlon321)	0		0	3	3		15 Oct 2020
106	Yatsukhnenko (lolitoop)	0		0	3	3		16 Oct 2020
107	Korosteleva E. (Shilohvost)	0		0	3	3		19 Oct 2020
108	Zagrebnev A.S. (stoff)	0		0	3	3		15 Oct 2020
109	Rysev A. (Vincento)	0		0	3	3		17 Oct 2020
110	Abushakhmanov (tilnu)	0		0	3	3		16 Oct 2020
111	Yermolayev A.D. (AlexanderYermolayev)	0		0	3	3		18 Oct 2020
112	Seregin (sereginevgeny)	0		0	3	3		15 Oct 2020
113	Lazarev V.S. (Nolava)	0		0	3	3		19 Oct 2020
114	Zhurik (Innet)	0		0	3	3		15 Oct 2020
115	Tlepbergenova D. (tlendarya)	0	1	0	2	2	4602	19 Oct 2020
116	Dorenkov D.S. (Wdi)	0		0	2	2	9270	16 Oct 2020
117	Peter (alexpppppppppp)	0		0	2	2	9272	17 Oct 2020
118	Petrov (Loork)	0		0	2	2	9273	19 Oct 2020
119	NeSkazhu (ex_mist)	0		0	2	2	9274	19 Oct 2020
120	Khaschanov N. (NKhashchanov)	0		0	2	2	9275	19 Oct 2020
121	Graevskiy (_kg)	0		0	2	2		20 Oct 2020
122	Yarullin R.M. (ren_ren)	0		0	2	2		14 Oct 2020
123	Nazarova A.V. (anna9758)	0		0	2	2		13 Oct 2020
124	Yunusova (adelbina)	0		0	2	2		16 Oct 2020
125	Kondrashin Yu. (Iurk8008)	0		0	2	2		20 Oct 2020
126	Kasumov M.M. (Marat@dag05)	0	71	0	1	1	489	19 Oct 2020
127	Garanin N.A. (Ikitakita)	0		0	1	1	12770	18 Oct 2020
128	Mironov E.A. (EG-Step)	0		0	1	1	12774	19 Oct 2020
129	Odnol'ko A. (drewldhz777)	0		0	1	1	12775	19 Oct 2020
130	dhq (l_dhq42)	0		0	1	1		14 Oct 2020
131	Kist (kikist)	0		0	1	1		14 Oct 2020
132	babu N. (nandhinie)	0		0	1	1		14 Oct 2020
133	Gavrilenko (Student 1)	0		0	1	1		14 Oct 2020
134	Flegontova T. (TuTuShan)	0		0	1	1		14 Oct 2020

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