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October 11, 20:46 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	Gachegova I. (ilonza G)	1	3	4		4
2	Klyukin V.N. (Camel_blue)	2			1	2	15	23
3	Sh S. (junopark1)	3	1	40		1
4	O (janeoosql)	2	1	11		1
5	Sultanov I. (ilhom7s)	1			1	1	1	1
6	Bessonov A.A. (Matras_AS)	1					ban	ban
7	Belkov D. (Belkov2026)	2					16	26
8	Akhmadov M.A. (AkhmadovM)	1					15	25
9	Vorob'ev O.P. (AshKnight)	3					18	24
10	Sajkin N.F. (Nikollass52)	1					15	24
11	Sinyaeva D.S. (diaaaaannka)	1					15	20
12	Happy (DontWorryBeHappy)	1					12	20
13	Ermakov R. (malic)	2					ban	ban
14	Kuzovlev K.S. (kirill_kzv)	3					15	18
15	Smile A. (sagku)	2					15	18
16	Shigapova (dinqxvz)	2					15	18
17	Vojnov N. (nikvoynov1111)	1					15	18
18	1234 (13254)	1					15	18
19	Valiullina K.E. (Karina289)	1					ban	ban
20	Popov R.M. (keeQ)	1					14	17
21	Salikhov R.A. (Ruzik707)	3					10	17
22	Topuzidi N.K. (astralenok)	1					9	15
23	Sav H. (Master83_65)	1					12	14
24	Shkorba A.A. (SHKORBA95)	2					10	14
25	Mateuschuk (DMsinner)	2					10	14
26	Volkov I.D. (thewaydeath)	3					9	12
27	Belyaev I.A. (Igorman231)	2					6	10
28	Bychkova M.V. (itsbchkv)	1					6	10
29	Pogudkina A. (pogudkina)	2					9	9
30	Sokolova M.A. (PIPELINEPUNCH)	2					7	9
31	Vejlert (Wrooz)	2					7	9
32	Khazeev D.A. (yatrahal)	2					7	9
33	Petrova V. (viktoriya_p)	1					6	9
34	Kozhan D.V. (Dushen'ka)	1					5	9
35	Mutsalova I.Ya. (imanjii_ro)	1					ban	ban
36	Peshekhonova Yu. (Hartwidder)	2					7	8
37	Shkirov K. (ramota3)	2					6	8
38	Krotov I. (analyst97)	1					6	8
39	Aleksandr (amihay)	1					5	8
40	pop (lana8678585)	1					4	8
41	Nagornaya (kuku_1989)	1					6	7
42	Aksenova (bludypypy)	1					6	7
43	Bushueva (bau_260410)	1					6	7
44	Krikhun V.A. (kr_lera111)	2					5	7
45	Afinogenov M.A. (Mo0nL1te)	1					4	7
46	Samokhvalov S.I. (GraimWorld)	1					4	7
47	Stepanchuk D. (__Lonely__)	1					4	7
48	Polyakova D.Yu. (apple_pie)	1					5	6
49	Gajfullina (tavi777)	1					4	6
50	Denisov A. (Razonador)	4					5	5
51	Lokshina E.V. (Katrya96)	2					5	5
52	Sof'in M.Yu. (VCosmosv)	1					5	5
53	Name N.N. (greg3egerg)	1					5	5
54	Mihailov S. (SemeonM)	1					5	5
55	Artemev L. (Leonid S.)	5					3	5
56	Ushakov A.Y. (ushakov94)	3					ban	ban
57	Kh E. (katushkins_s)	2					4	4
58	Niksar (Niksar)	1					4	4
59	Bltrsh (Krn_SQL_beast)	1					4	4
60	Nazarov A. (R2D2_1999)	1					4	4
61	Shure V. (VladimirShure)	2					3	4
62	Tarasov (zalupan)	2					3	4
63	Lebedev G.A. (xeGalaxy)	1					3	4
64	Reddy D.S. (Charan7)	1					3	4
65	Muradyan M. (Mary Devv)	2					2	4
66	Antonov Yu. (DerMichael)	1					2	4
67	Pereskokova K.A. (karushhh)	1					2	4
68	Chaschina A.D. (Chaschina Anastasiya)	1					2	4
69	Lysenko A.A. (NetnikaL)	3					3	3
70	Lyamtseva (lumtses)	1					3	3
71	tsyrenova E.E. (qamiregeee)	1					3	3
72	Kajzer Ya. (YanchiPok)	1					3	3
73	Markin N. (Qmaro)	2					ban	ban
74	G. A. (ManuKoura)	2					2	3
75	Sergeev A. (f_train)	2					2	3
76	Knyazev (Bumbums)	2					2	3
77	Shagalov O.L. (TTC)	1					2	3
78	vvvv (vvvvd)	1					2	3
79	Bob (foxtailer)	1					2	3
80	Metokhir K. (KM49)	1					2	3
81	Robota (pbolevoi)	1					2	3
82	Lepilov (Sahalyar)	1					2	3
83	Gudkov K.S. (CSKir)	2					1	3
84	1 (Archontos)	2					2	2
85	S T.O. (SushkoTO_BSU)	1					2	2
86	Vorob'ev A.N. (AntonVorob'ev)	1					2	2
87	dofihg (dofiHG)	1					2	2
88	Yuzhalov (Zhostk1y)	1					2	2
89	Egorenkov A.A. (l1k0n1)	1					2	2
90	Yusipov R.R. (Rasty228)	1					2	2
91	Kuramshin I.O. (vankuram)	1					2	2
92	Dimitrov V.M. (vencid)	2					1	2
93	Mishenev M.M. (Mishenev Mikhail)	2					1	2
94	Smirnov A.E. (p4tk)	2					1	2
95	Bereslavskaya (bereSasha)	1					1	2
96	Gevorgov A. (gevorgov)	1					1	2
97	Rebovskij (x-lerasim13)	1					1	2
98	Novikova M. (novmarom)	1					1	2
99	k K. (Makaroshkina)	1					1	2
100	shvydko K. (ksen157)	1					1	2
101	Korobko I.A. (offisnyi_igor)	1					1	2
102	Morozova K.M. (ksyuho666)	1					1	2
103	Golovin K.D. ($$$)	1					1	2
104	Naumov I.T. (Elizardxin)	1					1	2
105	Rodina Kh. (kris.poe)	1					1	2
106	Mockus M. (aksal)	2					1	1
107	Ushakov S. (MoyPsevdonim)	1					1	1
108	Shustov N. (Autist_2007)	1					1	1
109	Tank A. (Alex0102030405)	1					1	1
110	Lidvina I.S. (korella)	1					1	1
111	Molin A.V. (moliano)	1					1	1
112	Skladov A.D. (yuhan)	1					1	1
113	Gladkov A.S. (artemgladkov1)	1					1	1
114	Vinogradova S.M. (Tigra1)	6
115	Sarkis'yan G. (gennadi_s)	5
116	Krasovskij E.A. (pegoopik)	4
117	Elish (Bullfinch)	3
118	Uvaev A.A. (Pompilio)	3
119	Ulanov R. (Pomsk)	2
120	Pyrkova (La_Gata)	2					ban	ban
121	Bulyakarov S. (Sa1avat)	2
122	Melihova (pnd36)	2
123	Antipova T.A. (truboduuurocka)	2
124	Kholopkin D.M. (silius125)	2					ban	ban
125	P I.*. (IrinaPetr)	2
126	Safronov P.A. (Paulus73)	2
127	Zubenko (.tailor)	2
128	Porshukov N.Y. (Nik322)	2
129	Krutoi (KentKrutoiBro)	2
130	Yolokhov (fazzone)	2					ban	ban
131	Mikhajlova A.A. (AnnettePlush)	2
132	Nikolaev K.S. (vamos732)	2
133	Anokhova A.M. (Yosikenoch)	2
134	Sal'nikov Yu.A. (Yriy S)	1
135	Koptel'tsev V. (selber)	1
136	Sigankov V.I. (vasilyvanc)	1
137	Petrov (Steamboat)	1
138	Fattakhetdinov I.F. (i.fattahetdinov)	1
139	Mamadrazakov (Azamat_M)	1
140	Stul'nev R.O. (kalter1213)	1
141	Simonyan D. (Nnumby)	1
142	Kalinov I.A. (Werner1989)	1
143	Sorokin A. (alex_squillup)	1
144	Bondarenko S.D. (SofiaB)	1
145	Georgievskij O. (vezdessushiy)	1					ban	ban
146	Kharin I.Kh. (ilal)	1
147	Lobanov D.A. (Dlobanov1)	1
148	qwe R.Y. (TheWrongOne992)	1					ban	ban
149	Davydov R. (roman.davydov)	1
150	Seredin D. (Skinermen)	1
151	Belikov A.K. (Artiomka)	1
152	Ushakov (lllavyb)	1					ban	ban
153	Danilova E.A. (lissa_)	1
154	Schepilin S.V. (Sergei_Analyst)	1					ban	ban
155	Denisov A. (Esperanto83)	1
156	Karavaeva K. (limits)	1
157	Zorin E.O. (popajeck)	1					ban	ban
158	Yalymova (Elina_Grunicheva)	1
159	Raupova N.B. (Nizukuba)	1
160	Grek K. (Kseniiagrek)	1
161	Yakovlev (The_Max)	1
162	Abdulkhakova L. (Lisao)	1
163	Golovkin I.A. (GHOST2508)	1
164	R. (Wra1th)	1
165	Semvy V. (semvy)	1
166	S (sergeenko@phystech.edu)	1					ban	ban
167	T A. (Alex.here)	1
168	Ryabov A. (Slavander)	1
169	Abramov V. (Privet ot Sashi Borovkova)	1
170	Alaeva Y. (Alaeva)	1
171	Ermakov A.S. (Mr.Ermak)	1
172	Chernova (EgoZero)	1
173	Chepovskaya Yu.I. (Solllary)	1
174	Valikhadiev (GiyasVAVAV)	1
175	Dobrynin (Emilia_Clark1)	1
176	Merkulov (Lesan)	1
177	Glebov S.D. (Ps1nu5)	1
178	Petrukovich A.V. (10nastya10)	1
179	Karapetyan (Cianatalaqui)	1
180	Egorov A.A. (GreyHound)	1
181	Akhmetova (A Farida D)	1
182	Davydova M. (Mariya1723)	1
183	Faskhutdinov A.A. (sfiler)	1
184	Usachev A.A. (etot33)	1
185	Bashakova E.S. (Alienor)	1
186	Lebedeva A.R. (Leb_Nastya)	1
187	Trubitsin T.A. (SoTeNo4eK)	1
188	Pshenitsyn V. (EvaKrakenSlayer)	1
189	Romanyuk A. (Romanyuk Anna)	1
190	Chernyshova E. (escyd)	1
191	Lol D.F. (Tolyan67)	1
192	balanchuk (alina_bal)	1
193	Thomas W.R. (pomoyka1337)	1
194	q (sreyka)	1
195	S L.A. (all1as)	1
196	Bekbolotova T. (Jiselle)	1
197	Klimontova M.A. (white1804)	1
198	Akin't'ev A. (Stephanosss)	1
199	Shilkina (Olga_OS99)	1
200	Sergeev D. (kareos)	1
201	Golikova (loupland)	1
202	Barbat V. (vbarbat)	1
203	Ashirov R.A. (xPyc9x)	1
204	Garaev (zeskie)	1
205	Kriukov A. (artkriu)	1
206	Kalabonga S.V. (Calabonga)	1
207	Drevin V.V. (dreviw)	1
208	r R.R. (pirhup)	1
209	adamenko T.V. (hikaruu)	1
210	Zhanseit S. (5ymbat)	1
211	Smirnov P.A. (SmirnovPA)	1
212	Mishin P.I. (dogxr)	1
213	Unregistered	46

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