Last week rating | SQL Exercises

October 21, 14:02 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: 12796

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Il'in A.N. (Ilin Andrey)	22	36	32	0	32	1323	20 Oct 2020
2	>Pravdyuk R.M. (Pro100geniy)	13	24	19	0	19	3167	21 Oct 2020
3	Filippov A.V. (Silencer)	8	22	11	0	11	1795	20 Oct 2020
4	Kokunina M.V. (Liss-miss)	7	33	9	0	9	1386	18 Oct 2020
5	Kurbanaliev (Grazz)	4	25	8	0	8	1599	19 Oct 2020
6	Slepnev S.V. (SergSlep)	6	32	7	0	7	1423	21 Oct 2020
7	Sh (Prokastinatsiya)	5	5	7	0	7	6219	19 Oct 2020
8	Malashkina (MalIng)	4	4	5	27	32	6840	20 Oct 2020
9	ZVOVA (ZVOVA)	4	16	5	0	5	2152	18 Oct 2020
10	>SmirnOFF (select0r)	4	32	5	0	5	2378	21 Oct 2020
11	Gireiko E. (Zubryonok)	1	102	4	0	4	233	20 Oct 2020
12	Savin A.Yu. (mirovingin)	1	101	4	0	4	257	19 Oct 2020
13	Nikolaj (Bulocka_c_izumom)	1	100	4	0	4	345	20 Oct 2020
14	Sidoruk (Avrora)	2	2	3	0	3	8232	20 Oct 2020
15	Chernikova D.D. (darya_chernikova)	1	77	2	0	2	354	20 Oct 2020
16	Zelentsov I.A. (Overcomzi)	1	38	2	0	2	1226	20 Oct 2020
17	Mel'nikova Zh.A. (Jannetta)	2	11	2	0	2	2476	18 Oct 2020
18	Litvinov V.V. (NewsMan)	1	103	1	0	1	236	14 Oct 2020
19	Matveev M. (Matveev Maksim)	1	32	1	0	1	2362	20 Oct 2020
20	Chernyj Zh. (chijik)	1	22	1	0	1	3544	18 Oct 2020
21	Aleksandrov (Sergey.AA)	1	14	1	0	1	4654	18 Oct 2020
22	Yakovlev D.V. (D14ARA)	1	1	1	0	1	12790	19 Oct 2020
23	N M.Y. (Stevebob)	1	1	1	0	1	12791	20 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	20 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	Buzenko A. (evanescco)	0		0	11	11	5352	20 Oct 2020
36	Dmitrij E.S. (dmyr)	0		0	11	11	5353	20 Oct 2020
37	Zhidkov (V4d1m_)	0		0	11	11	5354	20 Oct 2020
38	Sokolov (fenix_nix)	0		0	11	11	5355	20 Oct 2020
39	Kravtsov (Kravtsow744)	0		0	11	11	5356	20 Oct 2020
40	Lavrent'eva A.V. (AniLav)	0		0	11	11	5357	21 Oct 2020
41	Litvinenko N. (Zilark)	0		0	11	11	5668	20 Oct 2020
42	Korovenkova O. (farmmix)	0		0	11	11	5878	21 Oct 2020
43	Pupkin V. (Vasya Pupkin)	0		0	11	11	6636	19 Oct 2020
44	sdfsdfsdf (Kronge)	0		0	11	11	6637	19 Oct 2020
45	Grynyk V. (ViGrey)	0		0	11	11	7354	19 Oct 2020
46	Maz O. (OlehMaz)	0		0	11	11	8037	17 Oct 2020
47	Bogataya Yu. (Yulia Bogata)	0		0	11	11		18 Oct 2020
48	Andriy S.D. (NaVi_SiMa)	0		0	11	11		16 Oct 2020
49	Reznichenko O.A. (Rezollg)	0		0	11	11		15 Oct 2020
50	Pytlyk M. . (marutest)	0		0	11	11		19 Oct 2020
51	Yurchak V.O. (Geck0)	0		0	11	11		16 Oct 2020
52	Neznaiomaia V. (1varvara1)	0		0	11	11		18 Oct 2020
53	Denisenko D.A. (Mefis)	0		0	11	11		15 Oct 2020
54	Zinnatullin (Danis_2020)	0		0	9	9	5875	16 Oct 2020
55	Bondar (WSXCDE17102020)	0		0	9	9	5876	18 Oct 2020
56	isikova E.I. (makovka12)	0		0	9	9	5877	19 Oct 2020
57	Morhun A. (AlyaM)	0		0	9	9	5879	18 Oct 2020
58	Khudiakova (Kseniia_11)	0		0	9	9	5880	18 Oct 2020
59	Maslyokha O.A. (Oleg Maslyokha)	0		0	9	9	5881	19 Oct 2020
60	Kurseeva R.Yu. (kursieieva)	0		0	9	9	5882	19 Oct 2020
61	Olefirenko (Simferopol)	0		0	9	9	5883	19 Oct 2020
62	Vydmysh A.A. (Vudmushka)	0		0	9	9	5884	20 Oct 2020
63	Glavan V.F. (vic123vic)	0		0	9	9	5885	20 Oct 2020
64	Skorokhod V.Yu. (SkVet)	0		0	9	9	5886	20 Oct 2020
65	Lavryk P. (Lavryk_Pavlo)	0		0	9	9	5887	20 Oct 2020
66	Olefirenko (Andronegik)	0		0	9	9	5888	21 Oct 2020
67	Ivanova E. (katyara87)	0		0	9	9	5889	21 Oct 2020
68	Berezhok A. (Berezhok1)	0		0	9	9	6097	21 Oct 2020
69	Makoveenko A. (Annmala)	0		0	9	9	6639	20 Oct 2020
70	Holyk Y.S. (Yurec0770)	0		0	9	9	9288	19 Oct 2020
71	Pshenichnaya Yu. (Pshenychna)	0		0	9	9		19 Oct 2020
72	zival (parzival__)	0		0	9	9		15 Oct 2020
73	Pavlukova S.A. (Sabi_pavlukova)	0		0	9	9		20 Oct 2020
74	Evenko N. (soyssause04)	0		0	9	9		16 Oct 2020
75	Muzyrya A.S. (SashaM090580)	0		0	8	8	6095	20 Oct 2020
76	Tolstenko (AlexBugsHanter)	0		0	8	8	6096	19 Oct 2020
77	Chudakova (Manchot)	0		0	8	8		21 Oct 2020
78	Jay (re-sqler)	0		0	7	7	6314	17 Oct 2020
79	Zaverukha A.S. (Mortiarion)	0		0	7	7	6315	18 Oct 2020
80	Bolbat R.A. (RamzesKun)	0		0	7	7	6316	20 Oct 2020
81	Colesnic O. (OlgaColesnic)	0		0	7	7	6317	20 Oct 2020
82	gls G.G. (gls52)	0	63	0	6	6	572	19 Oct 2020
83	Khmel V. (bravier)	0		0	6	6	6632	18 Oct 2020
84	Dovbysh (CommanderOysterr)	0		0	6	6	6633	19 Oct 2020
85	Hordii (Yarosl)	0		0	6	6	6634	19 Oct 2020
86	Kim P. (PLC)	0		0	6	6	6635	19 Oct 2020
87	Zheglov A. (Zheg)	0		0	6	6	6638	19 Oct 2020
88	Gaevaya (mrslv)	0		0	6	6	6640	20 Oct 2020
89	Zarakhovych D. (DenysZ)	0		0	6	6	8363	19 Oct 2020
90	Anisimova V.S. (cvhjioz)	0		0	6	6		19 Oct 2020
91	Sidorov Yu.O. (qAYura)	0		0	6	6		16 Oct 2020
92	Pashkovskaya E.A. (Koshka Katja)	0		0	6	6		15 Oct 2020
93	Tyukhteev A. (discofan)	0		0	6	6		15 Oct 2020
94	Barabanov (Barabok)	0		0	5	5	7353	19 Oct 2020
95	Kondratkov A.A. (AntonKondratkov)	0		0	5	5	7355	17 Oct 2020
96	Ser (hedgehog11)	0		0	5	5	7356	18 Oct 2020
97	Lychman S. (Lychman S.)	0		0	5	5	7357	19 Oct 2020
98	Golubeva (golubeva yul)	0		0	5	5		16 Oct 2020
99	Ivkina N. (Ivkina)	0		0	4	4	8038	18 Oct 2020
100	Sidorenko M. (AviaMarina)	0		0	4	4	8039	20 Oct 2020
101	Zaev D.A. (DrPavelCIA)	0		0	4	4	8040	20 Oct 2020
102	Kiyasov K. (FeedDeluxe)	0		0	4	4	8041	21 Oct 2020
103	Bykovskaya D. (kosmolet)	0		0	4	4		16 Oct 2020
104	Ponyatovskaya (diana229)	0		0	4	4		16 Oct 2020
105	Dzyuba (Tata L)	0		0	3	3	8355	20 Oct 2020
106	Polyakova I. (abracad)	0		0	3	3	8356	19 Oct 2020
107	Bazhenova (SvetlanaBazhenova)	0		0	3	3	8357	18 Oct 2020
108	Ryabova K. (Kseniam.r)	0		0	3	3	8358	18 Oct 2020
109	Erokhina (Esteltari)	0		0	3	3	8359	18 Oct 2020
110	Konovalova P. (polina_kon)	0		0	3	3	8360	18 Oct 2020
111	Repchenko L. (lili_spark97)	0		0	3	3	8361	19 Oct 2020
112	Polischukov R.M. (Roman009)	0		0	3	3	8362	20 Oct 2020
113	Tsikisov T.Kh. (tsikis)	0		0	3	3	8364	20 Oct 2020
114	yasmin (Yasmin123)	0		0	3	3	8365	20 Oct 2020
115	Alexandr (Graf0609)	0		0	3	3	8366	20 Oct 2020
116	Forsyuk P.D. (Secret player)	0		0	3	3	8367	21 Oct 2020
117	Prokop'ev S. (pstein)	0		0	3	3	8368	21 Oct 2020
118	Yatsukhnenko (lolitoop)	0		0	3	3		16 Oct 2020
119	Kurtova K.K. (KurtovaE)	0		0	3	3		15 Oct 2020
120	Abushakhmanov (tilnu)	0		0	3	3		16 Oct 2020
121	Yermolayev A.D. (AlexanderYermolayev)	0		0	3	3		18 Oct 2020
122	Korosteleva E. (Shilohvost)	0		0	3	3		21 Oct 2020
123	Tlepbergenova D. (tlendarya)	0	1	0	2	2	4602	19 Oct 2020
124	Dorenkov D.S. (Wdi)	0		0	2	2	9287	16 Oct 2020
125	Peter (alexpppppppppp)	0		0	2	2	9289	17 Oct 2020
126	Petrov (Loork)	0		0	2	2	9290	19 Oct 2020
127	NeSkazhu (ex_mist)	0		0	2	2	9291	19 Oct 2020
128	Khaschanov N. (NKhashchanov)	0		0	2	2	9292	19 Oct 2020
129	Starkova E.O. (Malvina_S_Ol)	0		0	2	2	9293	21 Oct 2020
130	Baranov I.S. (ukrainskij pespelotnik)	0		0	2	2	9294	21 Oct 2020
131	Yunusova (adelbina)	0		0	2	2		16 Oct 2020
132	Yarullin R.M. (ren_ren)	0		0	2	2		14 Oct 2020
133	Zagrebnev A.S. (stoff)	0		0	2	2		15 Oct 2020
134	Graevskiy (_kg)	0		0	2	2		21 Oct 2020
135	Kasumov M.M. (Marat@dag05)	0	71	0	1	1	489	20 Oct 2020
136	Treskunova E. (Elen_ka13)	0		0	1	1	12788	20 Oct 2020
137	Garanin N.A. (Ikitakita)	0		0	1	1	12789	18 Oct 2020
138	Mironov E.A. (EG-Step)	0		0	1	1	12792	20 Oct 2020
139	Odnol'ko A. (drewldhz777)	0		0	1	1	12793	21 Oct 2020
140	Teranaj K.T. (Tutveli)	0		0	1	1	12794	21 Oct 2020
141	Borzova (Darya89)	0		0	1	1	12795	20 Oct 2020
142	ang A.A. (ahple)	0		0	1	1	12796	21 Oct 2020
143	Gavrilenko (Student 1)	0		0	1	1		14 Oct 2020
144	Zhurik (Innet)	0		0	1	1		15 Oct 2020

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