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September 25, 14:07 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	g (ggaa)	2	2	2	1	3	5	5
2	Levin Yu.A. (pdestroyer)	2			1	2	1	2
3	Tsybin A.V. (magicdragon)	2			1	2
4	piopio5 (piopio5)	1			2	2
5	Skokov B.S. (leks$$)	1	1	51		1
6	Sh S. (junopark1)	1	1	3		1
7	Nasyrkina E. (eleonnora12)	1					ban	ban
8	Kashkov S.M. (kashkovvv)	3					ban	ban
9	Nikolov P.F. (plamennf)	2					15	26
10	Dzhumanazarov A.D. (AZAMAT001)	1					15	26
11	Utrobin M.M. (Wwwq)	1					15	26
12	Anikanova A.A. (algaaa)	2					15	24
13	Pogosyants (Ivan338)	1					ban	ban
14	Zhorov (zefir123)	1					11	20
15	Maznev (uladzislaum)	2					15	19
16	Leschev A. (Zigzaggen)	1					15	18
17	Sibirev F.D. (tak0ysebe)	1					13	18
18	Orlova E.K. (Liza_a)	1					10	17
19	Bobin (wenzeljarvinen)	1					10	17
20	Mallina O. (mallinaolga1)	1					10	17
21	Khmelev M. (makhmm)	2					ban	ban
22	Kovaleva D. (Kovaleva Dar'ya)	1					10	15
23	emkotikov (emkotikov)	1					9	15
24	Bodyagina E. (lisa_b)	1					9	15
25	Bulatov (gonzojumper)	2					8	15
26	Vorontsov M. (VMS)	5					8	14
27	Borisova (JUBO24)	1					10	13
28	Vorontsov I.A. (kys_ha)	1					10	13
29	Ozolin (ArturOz)	1					8	13
30	Kiselev A. (kmoku_)	1					7	12
31	Zhabina I.S. (Irina Zhabina)	1					7	12
32	nate N.N. (natehero)	1					8	11
33	Levshin R.Z. (reyman)	1					8	11
34	Borodina (Perunica33)	2					5	10
35	VLASSOV (_MOG_)	1					8	9
36	Barej Ya.M. (Jirodenki)	1					6	9
37	Bokuchava A.G. (Teddy_23)	1					7	8
38	Bel'kin T.N. (TimBel)	2					6	8
39	Zhelobkovich P.S. (epoches=1000)	1					6	7
40	Lexus A. (Cute Zerg)	1					6	7
41	Omuralieva K.K. (kaniet190592)	1					6	7
42	Sobachkin A.F. (Al_Wolf)	1					4	7
43	Shalaev O. (Atrotos)	1					6	6
44	Krasnov A.A. (Nutr1k)	2					4	6
45	Usachev A.A. (etot33)	2					4	6
46	kykhalova (jellq)	2					ban	ban
47	Shajdorov Z.Yu. (SWsher25)	2					5	5
48	Maksimov (DaniilBond)	1					5	5
49	Malyshev S.G. (Balord)	1					5	5
50	Spivak K. (KristinaSpivak)	3					4	5
51	Morozova A. (Schwarze_Katze)	2					4	5
52	Khil'ko V.S. (VadimIT)	2					3	5
53	yyyy N. (Nikkkikikik)	2					3	5
54	Denisov P. (lillebror)	2					3	5
55	Klimenko S.R. (sofiya klimenko)	1					3	5
56	Ivanov (alexgog)	1					3	5
57	Knyazhev A.D. (lominos)	3					4	4
58	Kondrat'eva V.A. (VeraareV)	2					4	4
59	Kazekage (Temari)	1					3	4
60	Badashkin (Vova999)	2					2	4
61	Kashkov S.M. (kashkovvv1)	2					ban	ban
62	A K.A. (Mr_Wolf)	1					2	4
63	Kydyrov S. (SultanBeybars)	1					2	4
64	Zuev M.A. (Mikhail Zuev)	1					2	4
65	Shrejber A. (tresjudamen)	1					2	4
66	Veselov D.K. (daniilves)	1					2	4
67	Ryzhov S. (SergeyIT17)	1					3	3
68	Chernenko (Vixter)	1					3	3
69	Mironenko O. (Ol'ga Miro)	3					2	3
70	Tutarkov A. (barmaley19)	1					2	3
71	Smirnov V.A. (Vlad1234)	1					2	3
72	Zakharov V. (Aftornett)	1					2	3
73	Kuznetsova Ya.A. (yanulik_pipulik)	3					2	2
74	serg_k (kosoukhovsa)	1					2	2
75	doronina (lisa_roerich)	1					2	2
76	defa I.S. (defa77)	1					2	2
77	Ageev P.Yu. (Ageev P.Yu.)	2					ban	ban
78	Knyazev (Bumbums)	2					1	2
79	Krupko E.L. (Krupko)	1					1	2
80	Nikolaev A.N. (AlexeyHeizenberg)	1					ban	ban
81	Aleksandrova E.A. (EvgeniyaB)	1					1	2
82	Kaminskij (SKY123)	1					1	2
83	Saryglar (Daryma)	1					1	2
84	Andreev (JacKNight)	1					1	2
85	Ivanov D.I. (dimonivanov)	1					1	2
86	Khakhulina E.V. (Akulina)	1					1	2
87	Omorov A. (atay4k)	1					1	2
88	Fedorchenko (Aleksei_F)	1					1	2
89	Denchuk (Dejmosfom)	1					1	2
90	Shatrov D.A. (DShatrov)	1					1	2
91	Artemev L. (Leonid S.)	2					1	1
92	Krutoi (KentKrutoiBro)	2					1	1
93	Shikhalev (artemy1)	2					1	1
94	Davydov R. (roman.davydov)	1					1	1
95	Rozanov V.A. (rozanovva)	1					1	1
96	Faradzhov (Aslan Farad)	1					1	1
97	Mirlan M. (miraimi)	1					1	1
98	Khokhlov A. (mcxoxol)	1					1	1
99	Bondarchuk G.V. (Gosha11112233)	1					1	1
100	Galiev M. (Pagnarh)	1					1	1
101	Krasovskij E.A. (pegoopik)	5
102	Shibaev (saah)	3
103	Myal'kin E.A. (invincblemouse)	3
104	kurgina S.M. (sofa0912)	3
105	Kykhalova L. (lauraq)	3					ban	ban
106	Tsvetkov D. (TrainSOSAS)	3
107	Shubochkina A.R. (tun tun sakhur)	3
108	Popov L. (lp13)	3
109	knyazev R.A. (Roman3100)	3
110	Vaulin V. (Axilka)	2					ban	ban
111	Maksimov M. (Dark3mpire)	2
112	Nok (Nokichi)	2
113	Izhboldin (G3rm4n)	2
114	Pavel P.P. (familka)	2
115	Timofeev M.S. (timofeevms1982)	2
116	Romanchuk I.A. (ial.romanchuk)	2
117	Sadomtsev A. (Artemucho)	2
118	Sidorova Yu. (yloko)	2					ban	ban
119	Amburtsev A.A. (AlexanderAmb)	2
120	Mayakova E. (lena67)	2
121	sosina K.A. (killo)	2
122	Konstantinov (mooblich)	2
123	Koptel'tsev V. (selber)	1
124	Medvedeva (Vasya_Punk)	1
125	Pupkin (sql_killer)	1
126	Abdulmanapov A. (Dvarik)	1
127	Sitnikov S.V. (Zlobn1y)	1
128	Popov S.V. (Fierce)	1
129	Levchenko M. (LeoMakc91)	1
130	Grishina T. (Tatyana Grishina)	1					ban	ban
131	Kiseleva M. (M.Kiseleva)	1					ban	ban
132	Romanov E. (Evgeniy.Romanoff)	1					ban	ban
133	Sudakov M.C. (Maksimsudakov)	1
134	Hurullina A. (Stels-ya)	1
135	Ryzhik (dryzhik)	1
136	Nevazhno (ruslan43)	1
137	Voevodina (MariaYuto)	1
138	Shapovalov A.I. (Eladan1989)	1
139	Gladkov E. (Gozmo)	1
140	Shagalov O.L. (TTC)	1
141	Aubakirov R.G. (Rakha)	1
142	Smirnov A.S. (parazorro)	1
143	Umnova (Klimencia)	1
144	Ogarev A.A. (EladioMaginiKiHana)	1
145	Bilyavschuk I.V. (Ira22)	1
146	vsguliyev V.V. (vsguliyev)	1
147	Potemkin (Yazon_79)	1
148	Zorin E.O. (popajeck)	1					ban	ban
149	Rodin (uoloki)	1
150	Nasyrova (Alewa86)	1
151	Ostanin Yu.A. (yourun)	1
152	Shajkhitdinov (Selim2)	1
153	R. (Wra1th)	1
154	Kalbaev B. (bzxr)	1
155	Dimitrov V.M. (vencid)	1
156	Surname (sean_archer)	1
157	Shejko Z. (Sheiz)	1
158	Lysykh V.K. (Usilitel')	1
159	Akameeva S.V. (SVA1)	1
160	Abramov V. (Ichigo Kurosaki)	1
161	Shevtsov K. (KonstantinXL)	1
162	Ivanov I.I. (pasta123!@#)	1
163	Stytsyuk N. (natalia19930420)	1
164	Bochkova (PunDora)	1
165	Berseneva T.M. (Bersa_3785)	1
166	Andronov D.A. (kr4nder)	1
167	edmond2 (edmond2)	1
168	a A.A. (rdctfvygbuhjnk)	1
169	Istomin M.F. (MichaelIst)	1
170	Borodin A. (Rignar)	1
171	Nesterov D.A. (saha909)	1
172	Sokolkov M.A. (mxzchm)	1
173	Sevost'yanova (iahtareeva_45678)	1
174	Sysoeva Yu.A. (Sysoeva)	1
175	Moskalevets O.S. (MoS5k8)	1
176	Burahan N.Z. (Nurzhaan_bbb)	1
177	Andreev K.A. (sun1zu)	1
178	Osmonov I.I. (mYaso)	1
179	savchenkoam.92 A.M. (textsamxman)	1
180	Khamatova S. (devmode1)	1
181	Borisenko P.A. (BoPolli)	1
182	Faskhutdinov A.A. (sfiler)	1
183	Yolokhov (fazzone)	1
184	Vasil'chenko D.S. (whoyakkkkk)	1
185	zhenis B. (bekzjan12)	1
186	Lebedev G.A. (xeGalaxy)	1
187	Ageeva V.V. (vita_llife2)	1					ban	ban
188	Koroleva Yu.A. (qwerty201088)	1
189	Mosejko (0xb002c0de)	1
190	Volkova (Mag Taro)	1
191	Ivanov I.I. (Ogun)	1
192	Grabchuk A.M. (Middlewarer_pseudo)	1
193	Andrusenko E.S. (Ekaterina Andrusenko)	1
194	Kryukova (darya_data)	1
195	Burov K.M. (gopher_)	1
196	Bobrov B.B. (cheburekVkusny)	1
197	Ardaev I. (xac05)	1
198	Valentin (Dr.Pu)	1
199	Krepkij V.O. (Tacoofficial)	1
200	Korepin S.A. (Krasnyj Kardinal)	1
201	Hairullina D. (Dina07)	1
202	Unregistered	24

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