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May 19, 13:34 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	Khakimova Ya.A. (yanixhaki)	2			5	5	12	15
2	Safronov P.A. (Paulus73)	2	1	107		2
3	DO R.M. (danchikPi)	1	1	25		2
4	olegpsh (oleg1909)	1			1	2	11	22
5	Zubov D.Z. (Dmitrij84)	4			1	2
6	Borschovetskij I.N. (Igor2.0)	1	1	15		1
7	Skokov B.S. (leks$$)	1	1	30		1
8	Stepanov D.V. (dimkanehall)	1			1	1
9	Moroz A.I. (frostanast)	1					ban	ban
10	Voronina E.A. (MalushkaTmy)	1					15	26
11	Kuchkin I.V. (Keyblast)	2					15	25
12	Eleusuzov H.B. (aweaseed)	1					15	24
13	Petrov D.A. (Ast1mel)	1					15	23
14	Kotyalrov M.V. (GUSb)	1					13	23
15	Abbasov A.A. (azizabbasov)	1					ban	ban
16	sakhiashvili A. (yo mama)	1					15	19
17	Bezuglova M.G. (Mariya Bezuglova 2.6)	1					11	19
18	Sergienko K. (k.i.sergienko)	1					15	18
19	Dzyuba A.D. (artem5231)	1					10	18
20	Kim D.I. (kimxwq)	2					ban	ban
21	el (elili)	1					8	15
22	Lampieva P.S. (Lampieva Polina)	1					11	14
23	Nevazhno Z.P. (DRDRStepa)	1					11	14
24	Krasnoschekov (PavelPavelK)	1					ban	ban
25	D B. (bulka26)	1					9	11
26	Vittman M. (DarkWatcher)	3					8	11
27	Q (ala4ste)	2					ban	ban
28	Popopo (ASergeev111)	1					5	10
29	Oliveira D.R. (Danilo101)	2					7	9
30	FEJODECASINE F.J. (Neto2026)	1					7	9
31	Zubkov D. (Dm54)	2					5	8
32	Vasil'ev (GudiniMoonlight)	1					4	8
33	Voterk'yu (voterque1)	2					6	7
34	mannanov M.R. (Stra1D3)	2					6	7
35	Fedorov M.V. (femakc)	1					6	7
36	Morozov G.A. (Morozz2222)	2					4	7
37	Poselentseva D.Yu. (kurochka_kurlik)	1					4	7
38	Matyuhanov D.A. (Lineagi4)	1					4	7
39	Tulaikin V. (tulaikinv)	1					4	6
40	Ganiyev A. (lernanto)	1					4	6
41	Lipin E. (Junior2222)	2					5	5
42	Tsakhilova T.K. (tamats)	1					5	5
43	Kirillova (yo_elv)	1					5	5
44	Ogaj A.K. (AO19)	1					5	5
45	Staftsev E.A. (Jeguarko)	1					5	5
46	Kulikov A.Yu. (Ondrata)	1					4	5
47	Ivanova (molecule-_-)	3					3	5
48	Artsyshevskaya I. (esc_del)	1					3	5
49	Sivolozskii (kirill_szz)	1					3	5
50	Frolov V. (Lanovarian)	1					4	4
51	zhiltsov (flugersql)	1					4	4
52	Turichenko I.A. (theror)	1					4	4
53	Degovtsov K.A. (brazilian.pdf)	1					3	4
54	Shevtsov K. (KonstantinXL)	2					2	4
55	Ivanov I.I. (sql_svinger_double_finger)	1					2	4
56	Komyakov Yu.V. (dreamersleet)	1					2	4
57	K S.B. (SvetA23.)	1					2	4
58	Berekenov D.I. (DaniilB99)	1					2	4
59	Zubrinkina A.S. (Anastasiya05-209)	1					2	4
60	Kairatov Y. (yernaty)	4					3	3
61	Lago G.S. (neyDoSql10)	2					ban	ban
62	Belikov V.S. (VBS_)	2					2	3
63	Govorov S. (serggv)	1					2	3
64	Oliveira J.L. (Jean Lucas)	1					2	3
65	Ivakhno D.O. (likaabos)	1					2	2
66	squirrel (squir_el)	1					2	2
67	Marar A.S. (16_capybara_02)	2					1	2
68	K A.Yu. (Mad Harper)	1					ban	ban
69	Biktagirov R.I. (biktag1)	1					1	2
70	solovev A.A. (otom4ik53)	1					1	2
71	Stepanov (LexFrom)	1					1	2
72	Gamalevv D.O. (DenisJavaJunior)	1					1	2
73	Sten'kova V.S. (BarabashkaV)	1					1	2
74	Zakharov (Ave_Asuka)	1					1	2
75	Novitskaya (Katinn)	1					ban	ban
76	Skorenko D.Yu. (sozdatell)	1					ban	ban
77	Sobolev N.A. (NickolaySobolev)	1					1	2
78	Popov (Kuningas)	1					1	2
79	Krechetov D.V. (Rugby)	3					1	1
80	Metal'nikov (crox78)	2					1	1
81	Golovenko M. (gomotya)	2					1	1
82	Kovalenko P.S. (pskovalenko)	2					ban	ban
83	Perekalov I.V. (Anino3333)	2					1	1
84	Kachkaev A. (alevaka)	1					1	1
85	Lysenko R.A. (Ruslan+)	1					1	1
86	Khomich D.L. (Tipelllo)	1					1	1
87	Shablinskiy M. (puqupu)	1					1	1
88	darak A. (OrganicJuice8)	1					1	1
89	Koptel'tsev V. (selber)	4
90	Kish (Zhkish)	4
91	Krasnov M. (Max903)	3
92	Kurochkin P.A. (qwrqwr)	2
93	Batnasunov (Alatriste)	2					ban	ban
94	Butnaru M.V. (775.nn)	2
95	Katashevskij (YaUstalPridumyvat'Nik)	2					ban	ban
96	Kirkilan A.E. (AionK)	2
97	santos A.C. (blackghost666)	2
98	Savitskij D.V. (Savacool2212)	2					ban	ban
99	Blokhin (Blokhin Aleksandr)	2
100	Sagunov N.S. (Ksywka)	2
101	KLIMOVa (Amorrr)	2
102	Vyazovetskov A.S. (alex_v)	1
103	Yudin A.A. (AlexeusCrasher)	1
104	Shibaev (saah)	1
105	Nyachoto M. (Mancaps)	1
106	Gorbunov M.S. (gms)	1
107	Grigorovich S.G. (Sergej Grrrr)	1
108	Abdulmanapov A. (Dvarik)	1
109	Sudlenkova N. (sudlik)	1
110	Lakalov D. (Meilleur_NG)	1
111	Anand R. (rosty)	1
112	Gudinochkin O.S. (Synxis)	1
113	Nikol'skij I.Yu. (igoryun)	1
114	Suslova Yu.S. (kotefox)	1
115	Kiselev D.A. (jsabinaa)	1
116	Mops U. (UporotuyMops)	1
117	kochetov I. (ilyaali)	1
118	Merkel V.P. (Merkel)	1
119	Osipenko M.O. (Nezhit)	1					ban	ban
120	Kolodijchuk O. (Nova54)	1
121	Chibisov S. (ss_chibisov)	1
122	Alina (Meyhe)	1
123	Gemazudinov D.R. (DimonLemon)	1
124	vktory369 (vk1991)	1
125	Simonov V.A. (Vasilij84)	1
126	Belova (ququ900)	1
127	Strukov (StrukovSA)	1
128	Potemkin (Yazon_79)	1
129	Markova (Irena280880)	1
130	Sarkis'yan G. (gennadi_s)	1
131	Zheleznov (zhelezzyaka)	1
132	Popov D. (linklib.web)	1
133	Aniskovich E. (evgeniyaniskovich)	1
134	P I.*. (IrinaPetr)	1
135	tsoy (hznikdima123)	1
136	Way B. (wayback)	1					ban	ban
137	Kanatova L.E. (LILIKANLC)	1
138	R. (Wra1th)	1
139	Komov S.M. (Komov S. M.)	1
140	Skibin V.V. (SQL_vvs)	1
141	Zhandarov A. (Leshka_1322)	1
142	Gromov E. (JekaLegenda)	1
143	Volkov S.A. (Servol)	1
144	Soloviov (DanilaSS)	1
145	Alekseev A.S. (Andser)	1
146	Zakrzhevskaya D.R. (DuduZak)	1
147	Shingireev M. (Mastaz)	1
148	Grechishnikova L.M. (Lidiya0512)	1
149	Peresetskaya S.A. (sssofi)	1
150	Koval'chuk (gigtop)	1
151	Ponomarenko (Artem1337h4ck3r)	1
152	Bulgakov A.S. (temchik30)	1
153	Popovich N.S. (Popovich Nikita)	1
154	Konovalov (JustUty1)	1
155	Bogatyrev N.V. (BNV2873)	1					ban	ban
156	Lastochkina (0Mak0)	1
157	. (danya123456789)	1					ban	ban
158	Kast M. (MarkusKast)	1					ban	ban
159	Kast M. (MarkusKast228)	1					ban	ban
160	Sivakova (anna666)	1					ban	ban
161	Makashov (Duke_Nukem1983)	1
162	Markevich A.A. (Nastyayaya)	1					ban	ban
163	Khanipov R. (gotlib_bbb)	1
164	Novikov (includepornostream)	1
165	Baboshina E.S. (lizoch_ka)	1
166	Schegol' Yu. (JulyaSchegol)	1
167	- -.-. (Khlebushek2)	1
168	Duisenbayev (3UMF)	1
169	Nakonechnaya V.S. (Zarela)	1
170	Sharshenbekova N.E. (Snazira245)	1
171	Romanov (JerseyDevil)	1
172	Soboleva I.Yu. (Matreshka_)	1
173	Boudoux A. (ayran)	1
174	Venas M.P. (MatTzZ)	1
175	ana A.B. (eyeaaka)	1
176	menezes L.S. (Lz171)	1
177	Joao V.N. (victornerves)	1
178	Amorim A.M. (Xann1)	1
179	Souza E.M. (lk2003)	1
180	Mota E.S. (Eduardo Mota)	1
181	Souza B. (b1nho)	1
182	heat (rodrigo142)	1
183	lima R.C. (Rayanguitar01)	1
184	Oliveira L.A. (gutoladraodegalinha)	1
185	Shinkevich I.V. (aivan96)	1
186	Biba N.V. (gipnogaba)	1
187	Voronova T. (Selena87)	1
188	V A.Kh. (Arslan9)	1
189	um G.P. (hjkn)	1
190	Ryzhkova S.A. (callmelanaplease)	1
191	Frolov A. (afrolov05)	1
192	Shiryaeva V.O. (vikashiriaeva)	1
193	Ryasnoy A.A. (Andrey186)	1
194	S (n1pron)	1
195	Voroshilova (Loser_Bruno)	1
196	nikulina N. (mayfau)	1
197	Pisklov I.S. (Goti)	1
198	Orazbaeva A.D. (Darkhan Aray)	1
199	Mustafina A. (alestafina)	1
200	Mi (Valentisiami)	1
201	Salyakhova A. (albina007)	1
202	Phit T. (lokk2002)	1
203	Kubasu I.S. (Kubasu)	1
204	Norkova E. (enorkovaa)	1
205	Semerunin V.N. (fffpov1)	1
206	syac (qwer_pulse)	1
207	Familiya I.M. (qiwih)	1
208	Andreeva E.A. (kertyj)	1
209	Unregistered	27

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