Last week rating | SQL Exercises

September 20, 23:51 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: 12728

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Ladanov N.V. (XAKEP_BBC)	5	59	10	0	10	853	20 Sep 2020
2	Alekseenko L.A. (5Stuff5)	5	43	9	0	9	1498	19 Sep 2020
3	>Nosov S.S. (Nosov S.S.)	4	110	7	0	7	210	20 Sep 2020
4	Markov (yaroslavv)	6	53	7	0	7	963	20 Sep 2020
5	Antunez Garcia F. (antunez)	4	44	7	0	7	1120	17 Sep 2020
6	Ryabov V.E. (vlal)	4	50	7	0	7	1286	17 Sep 2020
7	Borodin A.V. (Cyberbydlo)	5	5	7	0	7	6154	18 Sep 2020
8	>Kasumov M.M. (Marat@dag05)	3	55	6	0	6	832	20 Sep 2020
9	Yarovaya Yu.V. (YuliyaYar)	4	19	6	0	6	2117	19 Sep 2020
10	Lakalov D. (Meilleur_NG)	3	80	5	2	7	498	20 Sep 2020
11	Zhelezov E.A. (Zhelezov)	4	15	4	0	4	2264	17 Sep 2020
12	>Chernyj Zh. (chijik)	3	3	4	0	4	7943	20 Sep 2020
13	Novikov (PNA921)	2	112	3	0	3	231	20 Sep 2020
14	Zelentsov I.A. (Overcomzi)	1	36	3	0	3	1282	14 Sep 2020
15	Ushakov N.V. (donutWorry)	2	8	3	0	3	2838	16 Sep 2020
16	Kokunina M.V. (Liss-miss)	3	14	3	0	3	4598	18 Sep 2020
17	>Gubarev L.I. (Livan)	2	2	3	0	3	8204	20 Sep 2020
18	>Ostrovskij A.A. (aleost)	1	95	2	0	2	333	20 Sep 2020
19	Kostyushko Yu.V. (kostushko)	1	75	2	0	2	420	16 Sep 2020
20	>Petrova K.O. (Lanelia)	1	57	2	0	2	888	20 Sep 2020
21	Grigigyan E.A. (grigerik)	1	6	2	0	2	3115	16 Sep 2020
22	Kuz'mitskij Ya.O. (YaroslavYaroslav)	1	65	1	0	1	1041	16 Sep 2020
23	Kurbanaliev (Grazz)	1	19	1	0	1	1948	15 Sep 2020
24	Lisajchuk D.M. (Lisou)	1	1	1	0	1	3590	20 Sep 2020
25	Nikolabaj A. (Kop6eH_gaJlJlac)	1	1	1	0	1	12449	16 Sep 2020
26	Nadez (tat-nad)	1	1	1	0	1	12664	18 Sep 2020
27	Tumanskaya A. (Tumanskaya)	0		0	27	27		18 Sep 2020
28	gls G.G. (gls52)	0		0	26	26		20 Sep 2020
29	Romanenko (Tata_R)	0		0	25	25		18 Sep 2020
30	Kislitsyn S.A. (skislits)	0		0	23	23		18 Sep 2020
31	Martirosov S.S. (Shershavelik)	0		0	17	17	4658	20 Sep 2020
32	Mel'nikova Zh.A. (Jannetta)	0		0	15	15	7995	20 Sep 2020
33	Melnychuk N. (natanata91)	0		0	13	13	9231	20 Sep 2020
34	Suvorin I.A. (learntocode)	0		0	12	12		18 Sep 2020
35	bokarova (olya144)	0		0	11	11	5324	19 Sep 2020
36	Nikolaenko (nikolya1992)	0		0	11	11	5326	19 Sep 2020
37	Maltsev A. (hotredmen)	0		0	11	11	5328	20 Sep 2020
38	Vishnevs'ka І. (Inha_V)	0		0	11	11	5329	20 Sep 2020
39	Khokhlukhina E.N. (kate-niki)	0		0	11	11	5330	20 Sep 2020
40	Shishniak A. (shishniak)	0		0	11	11	5640	19 Sep 2020
41	Fetischeva L.A. (Lorisas)	0		0	11	11	5641	20 Sep 2020
42	Z (ovrs)	0		0	11	11	5852	20 Sep 2020
43	Donetsk S. (SergejDonetsk)	0		0	11	11	6062	20 Sep 2020
44	skilkova (Tilena)	0		0	11	11	6598	20 Sep 2020
45	Diakowa I. (IrenkaD)	0		0	11	11	9229	18 Sep 2020
46	Buchneva I. (Irunchik.06)	0		0	11	11	9232	20 Sep 2020
47	Izmest'eva Yu. (YUliIzM)	0		0	11	11		17 Sep 2020
48	Ivanov (lsl2004)	0		0	11	11		14 Sep 2020
49	Lebedenko N. (nata_lbd)	0		0	11	11		18 Sep 2020
50	Yakubovska (yatoma_)	0		0	11	11		18 Sep 2020
51	Podolski (Dnepr26)	0		0	11	11		18 Sep 2020
52	Stoyan T. (Yanut)	0		0	11	11		17 Sep 2020
53	Valyonkova Ya.V. (yana_valenkova)	0		0	11	11		17 Sep 2020
54	Samets S.V. (SerjSamets)	0		0	9	9	5848	20 Sep 2020
55	Grebenko (Marie Grebenko)	0		0	9	9	5849	19 Sep 2020
56	Misotchenko E.M. (Alena_Misotchenko)	0		0	9	9	5850	19 Sep 2020
57	Klesova E. (mrs_klesova)	0		0	9	9	5851	20 Sep 2020
58	Mishkorudnyj M.I. (arbuz)	0		0	9	9	5853	20 Sep 2020
59	Halahan V.I. (ExcellenceUA)	0		0	9	9	5854	20 Sep 2020
60	Voynov D. (dmitryvoynov)	0		0	9	9	5855	20 Sep 2020
61	Mysyk M. (Mykhailo Mysyk)	0		0	9	9	5856	20 Sep 2020
62	Ishtiaq N. (TALUSHA)	0		0	9	9	6596	20 Sep 2020
63	Leshkevich D. (Dimaaan)	0		0	9	9	7312	20 Sep 2020
64	Velikanovich Ya.B. (Yaroslav Podіl's'kij)	0		0	9	9	7996	20 Sep 2020
65	Derkach A. (Arkadennnn)	0		0	9	9	9230	19 Sep 2020
66	Stepanenko I. (devochk4)	0		0	9	9		20 Sep 2020
67	Skrypka T.A. (Vestka)	0		0	9	9		17 Sep 2020
68	Burlacu (Igor_Chisinau)	0		0	9	9		20 Sep 2020
69	Pasternak Y.H. (YelysavetaPasternak)	0		0	9	9		18 Sep 2020
70	Afanas'ev M.O. (afo_nya00)	0		0	9	9		16 Sep 2020
71	Khafizova D.P. (dilyarOchka)	0		0	9	9		16 Sep 2020
72	Chizh B. (Bonnie13)	0		0	9	9		18 Sep 2020
73	Nemtsev N.S. (Bicheval'di)	0		0	9	9		20 Sep 2020
74	Zotova (Alena006)	0		0	9	9		15 Sep 2020
75	Postnykh D.O. (de_postnykh)	0		0	9	9		17 Sep 2020
76	Hohol R. (RomanHohol)	0		0	9	9		16 Sep 2020
77	Kovalchuk A.K. (Ramirez03045)	0		0	8	8	6064	20 Sep 2020
78	Tomkovich І.M. (Irina26)	0		0	8	8	6281	20 Sep 2020
79	Popova N. (natalka13)	0		0	8	8	9233	20 Sep 2020
80	Ship (VicUK)	0		0	8	8		17 Sep 2020
81	Khasanshin (Meeki)	0		0	8	8		15 Sep 2020
82	Prokhorov K. (Stiko)	0		0	8	8		17 Sep 2020
83	Laptenok D.M. (LapaMan)	0		0	7	7	6280	19 Sep 2020
84	Baranov I.S. (ukrainskij pespelotnik)	0		0	7	7		16 Sep 2020
85	-- (waasaaw)	0		0	7	7		14 Sep 2020
86	derkach (archy123)	0		0	6	6	6595	19 Sep 2020
87	Gritsaj I.F. (TanatosMiro)	0		0	6	6	6597	19 Sep 2020
88	Dabizha (mechanic__)	0		0	6	6	7315	20 Sep 2020
89	Per K. (justkasper)	0		0	6	6		19 Sep 2020
90	Khafizova D.V. (DilyaraKh)	0		0	6	6		16 Sep 2020
91	Shegirbay S.K. (sanduuu)	0		0	6	6		18 Sep 2020
92	grebenkom (mng092020)	0		0	5	5	7310	19 Sep 2020
93	Milyuta A.V. (AlexanderVM)	0		0	5	5	7311	20 Sep 2020
94	ZVOVA (ZVOVA)	0		0	5	5	7313	20 Sep 2020
95	Prozapas N.O. (ProsaSov12)	0		0	5	5	7314	20 Sep 2020
96	Zamyshlyaev D. (dz-jazz)	0		0	5	5	8312	20 Sep 2020
97	Lit M.O. (Maxpower1910)	0		0	5	5	9228	18 Sep 2020
98	Pimkin O. (OlehPimkin)	0		0	5	5		17 Sep 2020
99	Kulibaba (LongerV)	0		0	5	5		17 Sep 2020
100	Kobzeva Yu. (VestaAvesta)	0		0	5	5		17 Sep 2020
101	Khlevnoy O. (Oksana.Kh)	0		0	5	5		18 Sep 2020
102	Makukhova (Karyn)	0		0	5	5		17 Sep 2020
103	Botobaev R.M. (daijoubu)	0		0	5	5		16 Sep 2020
104	Balagurov L. (Nevaka)	0		0	5	5		16 Sep 2020
105	Kazantsev A. (and__rew_)	0		0	5	5		18 Sep 2020
106	Drobot Y. (s9ail)	0		0	4	4	7997	20 Sep 2020
107	O A. (Andy_O)	0		0	4	4	7998	20 Sep 2020
108	dfdgdf D.D. (wrwerewew)	0		0	4	4		15 Sep 2020
109	Ivanchenkov (Alexven)	0		0	4	4		17 Sep 2020
110	mereuta M.T. (lucaslev)	0		0	4	4		19 Sep 2020
111	Mironov (iliatander)	0		0	4	4		16 Sep 2020
112	Pavlov P.S. (powergore)	0		0	4	4		15 Sep 2020
113	Ivanov (d1etologg)	0		0	4	4		20 Sep 2020
114	patil V.T. (vishalpatil)	0		0	4	4		18 Sep 2020
115	Kolіnets' S.B. (sergiiH)	0		0	3	3	8309	18 Sep 2020
116	Kaliuzhnyi (vakarian)	0		0	3	3	8310	19 Sep 2020
117	Peter (alexpppppppppp)	0		0	3	3	8311	20 Sep 2020
118	Nokhrina (Liandrinn)	0		0	3	3	8313	20 Sep 2020
119	Pistoletov (rexxard1)	0		0	3	3	8314	20 Sep 2020
120	Ivanova (Natallliahi28)	0		0	3	3	12726	19 Sep 2020
121	Kononov N. (kononov)	0		0	3	3		20 Sep 2020
122	Panasiuk A. (P@nd)	0		0	3	3		15 Sep 2020
123	Ryabov I.A. (Kotopokalipsis)	0		0	3	3		15 Sep 2020
124	Berezin (BerezinD)	0		0	3	3		17 Sep 2020
125	Voronenko (ermiy)	0		0	3	3		17 Sep 2020
126	Gaevoj A.Yu. (Riddick17)	0		0	3	3		19 Sep 2020
127	Makkormik K.A. (Kenni Makkormik)	0		0	3	3		18 Sep 2020
128	Belousova V.R. (Viktoriia_Ruslanovna)	0		0	3	3		16 Sep 2020
129	Poly (PolyPolyPoly)	0		0	3	3		20 Sep 2020
130	Konov D. (yshi)	0		0	3	3		14 Sep 2020
131	Kurin C. (st_k)	0		0	3	3		14 Sep 2020
132	Dzyuba V.A. (Viktror)	0		0	3	3		17 Sep 2020
133	Iva V.I. (Snork4594)	0		0	3	3		16 Sep 2020
134	Korma L.V. (Lyudmila1309)	0		0	3	3		19 Sep 2020
135	Sedov A. (Simple2)	0		0	3	3		16 Sep 2020
136	bitsadze K.R. (furie)	0	103	0	2	2	265	20 Sep 2020
137	Aleksandr G.S. (Mantinne)	0		0	2	2	9227	18 Sep 2020
138	Streltsova I. (irinastreltsova)	0		0	2	2	9234	20 Sep 2020
139	REMIZOVA A. (smwhisper)	0		0	2	2	9235	20 Sep 2020
140	Skvortsova V. (Viktoriya_S)	0		0	2	2	9236	20 Sep 2020
141	Skorobogatykh O.V. (Vladislove1397)	0		0	2	2		16 Sep 2020
142	Sabirov (agile_tiger)	0		0	2	2		17 Sep 2020
143	Kalugin A.E. (PittON)	0		0	2	2		16 Sep 2020
144	Yakovleva T.A. (tatyskya)	0		0	2	2		19 Sep 2020
145	Kravchuk (julia12345kr)	0		0	2	2		18 Sep 2020
146	Ilkiv (misha111333)	0		0	2	2		18 Sep 2020
147	Romanchenko M.S. (Mr.EragoH)	0		0	2	2		18 Sep 2020
148	Levina A.O. (Anna_Levina)	0		0	1	1	12727	19 Sep 2020
149	Paevskij B. (MalusWolf)	0		0	1	1	12728	20 Sep 2020
150	Chernenko S.S. (ymnica)	0		0	1	1		18 Sep 2020
151	Lazarev (Il'ya331)	0		0	1	1		17 Sep 2020
152	Budar A.S. (Amit33)	0		0	1	1		17 Sep 2020
153	Guz (shelpen)	0		0	1	1		18 Sep 2020
154	Salavatov S.M. (grimmessor)	0		0	1	1		14 Sep 2020
155	Tikhonov M.A. (makstikhonov)	0		0	1	1		14 Sep 2020
156	Dem'yanyuk G.Yu. (german999)	0		0	1	1		14 Sep 2020
157	Senchenya A. (A.Sen)	0		0	1	1		16 Sep 2020
158	MVO (MVO)	0		0	1	1		18 Sep 2020
159	Kucheryavij (KostiaCurly)	0		0	1	1		20 Sep 2020
160	abramov F.A. (fido)	0		0	1	1		18 Sep 2020
161	Sivitskij I. (GNineteen)	0		0	1	1		15 Sep 2020

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