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March 03, 11:07 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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Today statistics

nLog - number of logins;
nSelEx - number of select exercises solved today;
lastEx - number of last select exercise solved;
nDmlEx - number of dml exercises solved today;
Scores - sum of points on the exercises solved today (select and dml);
numLrnEx, LrnScores - number of exercises solved today and sum of points on learning stage

No	Surname	nLog	nSelEx	lastEx	nDmlEx	Scores	numLrnEx	LrnScores
1	Vasev A.V. (Vasev_Aleksey)	1			6	8	1	1
2	Nov I. (indels)	1			2	3	ban	ban
3	Teteryatnik A.D. (Nastya0903)	1			2	2
4	Odnokurtsev (AlFochino)	2	1	40		1
5	Kad V.Y. (s108)	1	1	40		1
6	Chernov A.A. (acq)	1					15	27
7	Khalym D.N. (daynkhn)	1					ban	ban
8	Evtushenko I.D. (mrjevt17)	1					15	25
9	Erm (Dama_)	2					ban	ban
10	Zhuk V.R. (loniloum)	1					15	24
11	Akhmetov K.R. (harosh)	2					14	24
12	Bakbergenova A.B. (bakbergenova)	4					14	22
13	Bakal'skaya E.D. (Elina Kallin)	1					13	21
14	Tashmatova (kuzmich14)	1					9	15
15	Tembhurne P.P. (prajkta)	1					8	15
16	Siyanko D.S. (Danil Siaynko)	2					8	14
17	Moiseev R.T. (Ruslan135)	1					8	13
18	Tulyakov A. (AlexTull)	1					8	13
19	dsa C.A. (vxv)	2					9	12
20	Fan (F.Artyom)	1					6	10
21	Zhemchuzhnova (eirka)	1					6	9
22	Arzumanova M.V. (marasql13)	1					5	9
23	Oseposhvili V.V. (clasz)	1					5	9
24	Gumerov I.I. (Flexus_yfff)	1					4	8
25	Son (Nesuschestvuet)	2					6	7
26	Goldobin E.G. (prm259)	1					5	7
27	Kovalev M.A. (Maxiiiiiiiiiii)	1					ban	ban
28	Nazarov D. (Denis_Nazarov)	1					4	7
29	Yanyuk (matia20)	1					6	6
30	Shebnev (si.shebnev)	1					4	6
31	P N.V. (Kolianio)	1					ban	ban
32	Nur A. (nurass)	4					3	6
33	Petrov (DaurLurk)	1					3	6
34	Dmitriev I.D. (MangoMangoMango)	2					5	5
35	Zotova (AngZ)	1					5	5
36	Ivliev M.Yu. (TyroneSlothrop)	1					5	5
37	R (aaahzhz)	2					4	5
38	Nenov A.I. (Vismus)	2					4	5
39	Chragyan K.Zh. (krisssssstina)	1					ban	ban
40	dollycons (con99009)	2					3	5
41	Peresetskaya S.A. (sssofi)	1					3	5
42	Britvina (llyuba_bri)	1					3	5
43	Evtushenko (eid24)	1					4	4
44	Nasonova Yu.A. (julia_nas)	1					4	4
45	Kozyreva (Ottima)	1					4	4
46	Sosnovets M.I. (mashassnvts)	1					4	4
47	Kondrashova N.E. (Natalia24111983)	2					3	4
48	Bogolyub I.S. (Iulianiya)	2					2	4
49	Ivanov A.N. (prometeyyy)	2					2	4
50	Minnigaliev D.D. (damir_dm)	1					2	4
51	Oblomkov (ptr734876)	1					2	4
52	Osipov A.A. (AlexL2000)	1					2	4
53	Martynenko A.V. (Laditops)	1					2	4
54	Shil'nikoa M. (ShilMS)	1					3	3
55	Zhgir (alizhgir)	1					3	3
56	K D.I. (LK_)	1					3	3
57	maksimov N. (tihiyH)	3					2	3
58	Revenko A.I. (LokiX7)	1					2	3
59	Konovalov (JustUty1)	2					2	2
60	Bykov V. (Skotic)	1					2	2
61	Mazlov I.I. (Lucky Star)	1					2	2
62	Kostyuk A.I. (Drant)	3					1	2
63	Produktovyj (Ded_Baruk)	2					1	2
64	Edosha228 (Edosha228)	2					1	2
65	Petukhov G.A. (gap2006)	2					1	2
66	Woland (Wolandd)	1					1	2
67	Khomich D.L. (Tipelllo)	1					1	2
68	Pakkanen (Antti_Pakkanen)	1					1	2
69	Khalueva M.A. (miomiosy)	1					1	2
70	Zajtseva M.Yu. (ritaz93)	1					1	2
71	Nikulina L.S. (Leo1994)	1					ban	ban
72	Kupriyanov V.A. (Vladuck)	1					1	2
73	Pyatkova Yu.V. (Yuksik)	1					1	2
74	Satek S.A. (Sendium)	1					1	2
75	Alikhan A. (Alikhan77)	1					ban	ban
76	Dyachenko (std_s)	1					1	2
77	Viktorov N.A. (Zelebebrik)	1					1	2
78	Shedko (tyomashe0)	1					1	2
79	Efremova (eda_shhha)	1					1	2
80	Shemyakov D. (happy_d)	1					1	2
81	Harainava S.G. (SueGor)	1					1	2
82	Sadokhin K.P. (xchanskiy)	1					1	2
83	Gusev D.D. (dimenorm)	1					1	2
84	Kokhovets A. (angelina1599)	1					1	2
85	Kolenko S.S. (Denitsa)	1					1	2
86	Lazarev D.D. (Lazarev)	1					1	1
87	Nanava D.B. (1ucky_Num83r_13)	1					ban	ban
88	Darkov (Sxrry)	1					1	1
89	Zhakanov A. (AlmasZh)	1					1	1
90	Fil'ko Yu.G. (1ns@)	1					1	1
91	Vostrikova I. (Risha V)	1					1	1
92	Kataeva A. (naasteeeen)	1					1	1
93	Li (Mynnn)	1					1	1
94	Bibus B.A. (ABOBUS543543)	1					1	1
95	Khurdakov K.M. (khurdakov)	1					1	1
96	P I.*. (IrinaPetr)	3
97	Grechishnikova L.M. (Lidiya0512)	3
98	Krasovskij E.A. (pegoopik)	2
99	Novikov S.V. (@Ser589QA)	2
100	Mazanov (Cepnoj)	2
101	Abubakarov T.R. (DoubleT)	2
102	Safaralieva U.N. (queenss)	2
103	Izatov D.A. (diasizatov)	2
104	Grebe P. (p1kers)	2
105	Spitsin V.V. (Vitaly699)	2
106	askarov A.N. (amiraskarov)	2
107	Medvedev S.A. (Noso4ek_)	2
108	Kislov D.D. (Lime33)	2
109	Sokolov A.S. (zokky17)	2
110	Makhmudov A.V. (BeautyBoy)	2
111	Ermachkov A.O. (Nividimka)	1
112	Petrov Y. (YuriPetrov)	1
113	Koptel'tsev V. (selber)	1
114	Polyakov V.M. (rock_4)	1
115	Gorbunkov M.S. (gms)	1
116	Mamedov (gidMAD)	1
117	Grishina T. (Tatyana Grishina)	1					ban	ban
118	Litvinov M.N. (Maxim_Lit)	1					ban	ban
119	Simonyan D. (di.si)	1
120	Stepanov K. (Crystal_0wl)	1
121	Vajtsekhovskij (Slava222)	1
122	Komarov A.N. (Shveda Saulya)	1
123	Ivanov I.I. (vlad91)	1
124	souglobov (alexander1212)	1
125	jack (jacksusaev91)	1
126	AAA A.A. (4537648)	1
127	Sergey (Floony.by)	1
128	Lukanov I.L. (Iriska0611)	1
129	Sapegina E.A. (Letiana)	1
130	Aldor (aldori)	1
131	Meltonyan E.S. (erik111)	1					ban	ban
132	Erzhanov E.E. (erzhan1981)	1
133	Kachalov Z.A. (love_kach)	1
134	Khazhaev R.R. (mythysicist)	1
135	Krivonogov E.S. (e_s_krivonogov)	1
136	Panicheva V.D. (_Vika_)	1
137	Evgenij (JekaQL)	1
138	Karnachev S.L. (mrSergei)	1
139	fioletovaya (fioletovaya2)	1
140	Mitrukhina E. (Lena444ka)	1
141	Bukovshyn V. (quickybrains)	1
142	Luzin (nikitasyan)	1
143	Kovaleva A.S. (akova)	1
144	Ivanov (userTest1)	1
145	Prakop V.V. (VladPrakop)	1
146	Il'dyukhin A.A. (indralan)	1
147	Skobelev A.S. (lekha228745)	1
148	R. (Wra1th)	1
149	P Y. (blacter)	1
150	Doroshevich A.R. (Alexei2019)	1
151	Bejtans Ya.E. (Onis Spirit)	1
152	Kolenko S.S. (Ned_)	1
153	Fromet (1amy1)	1
154	Geirby A.A. (Naranchika)	1
155	ASI (asi_sql)	1
156	Lysykh V.K. (Usilitel')	1
157	Mishin E.P. (zpendik)	1
158	Ilyichev (ralpem)	1
159	Sairanbek D. . (sairanbek_darkhan)	1
160	jj (evgenyyyya)	1
161	Afanevich E. (Ketra)	1
162	Safronov P.A. (Paulus73)	1
163	Chistova D.A. (BoBikk_001)	1					ban	ban
164	Lysakova (Svet Amur)	1
165	Smol'nikov F.A. (_smolnikov_)	1
166	Yakimenko (Nikita9kimenko)	1
167	Lobanova M.L. (lobanovamariya)	1
168	B (f1nupogodi)	1
169	Guliyev P. (Perviz)	1
170	Malakhov (dimmal)	1					ban	ban
171	Golubnichaya D.R. (DariaGol29)	1
172	Appaskhozha E.E. (Erton)	1
173	Kiyas L.B. (plsnotagainzzzz)	1					ban	ban
174	Orazbay I.M. (Imoshii)	1
175	Sejіlkhanov M.B. (Murrat)	1
176	Kamalidin N. (Nurzhigit_Kamalidin)	1
177	Zeinolla E.B. (elzh22n)	1
178	Khairikhan S.-. (parz1vAl)	1
179	Pelepelin A. (ToniMekh)	1
180	Novitskaya (Katinn)	1					ban	ban
181	kkk K.K. (Yulya123352)	1
182	Krasnolobov A.A. (supporter1101)	1
183	Akilbekuly A. (AikynAkilbek)	1
184	Andromedov (Andromeda12)	1
185	Magomedalizade O.V. (OrikMelancholic)	1
186	moon (__moon__)	1
187	Aksenov (NomenChok)	1
188	Khajzatova V.O. (Veronika18067777)	1
189	Grigor'ev (AFxAster)	1
190	Orekhov L. (lyo)	1
191	Taroyan (lkasjdfh)	1
192	Saprykin A.A. (Asaprykin5)	1
193	Sharapanov R.Ya. (klemira)	1
194	Pozdnyakov N. (K0F1ST)	1
195	Smirnov V.A. (vla___d)	1
196	Safonov A.A. (toni.85)	1
197	Tkacheva K.A. (krissttik)	1
198	Smirnov V.V. (Sylvodor)	1
199	Simonyan D.S. (DIANAS200111)	1
200	Ponomarenko N.G. (FLENDSPACE)	1
201	Orekhov (Quizzle)	1
202	Lebedev K.V. (Kirill_K3_47B)	1
203	Koval'chuk (gigtop)	1
204	Shlyk D.A. (Danishl)	1
205	Mironov (Neuhov)	1
206	))) A. (Alesiaal)	1
207	Salamatov (Asali)	1
208	Dent (ayrit)	1
209	Bartley D. (colonel_amiga)	1
210	Kovalev A.A. (godota)	1
211	Voronkova A.V. (lilrussiangirl)	1
212	xie (hangrywombat)	1
213	V (artikor)	1
214	Chakileva (Rediskra)	1
215	Rusakovіch U.M. (Ulad)	1
216	Savchenko V.E. (vvv4)	1
217	Noskova D.I. (daho_n)	1
218	Sovetkina E. (esovetkina_neo)	1
219	Unregistered	7

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