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October 11, 23:21 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	Sh S. (junopark1)	5	2	41		4
3	Klyukin V.N. (Camel_blue)	2			1	2	15	23
4	O (janeoosql)	2	1	11		1
5	Sultanov I. (ilhom7s)	1			1	1	1	1
6	Valiullina K.E. (Karina289)	2					ban	ban
7	Bessonov A.A. (Matras_AS)	1					ban	ban
8	Belkov D. (Belkov2026)	2					16	26
9	Happy (DontWorryBeHappy)	2					15	25
10	Akhmadov M.A. (AkhmadovM)	1					15	25
11	Vorob'ev O.P. (AshKnight)	3					18	24
12	Sajkin N.F. (Nikollass52)	1					15	24
13	Sinyaeva D.S. (diaaaaannka)	1					15	20
14	Ermakov R. (malic)	2					ban	ban
15	Kuzovlev K.S. (kirill_kzv)	3					15	18
16	Smile A. (sagku)	2					15	18
17	Shigapova (dinqxvz)	2					15	18
18	Vojnov N. (nikvoynov1111)	1					15	18
19	1234 (13254)	1					15	18
20	Popov R.M. (keeQ)	1					14	17
21	Salikhov R.A. (Ruzik707)	3					10	17
22	Petrova V. (viktoriya_p)	2					9	15
23	Topuzidi N.K. (astralenok)	1					9	15
24	Sav H. (Master83_65)	1					12	14
25	Shkorba A.A. (SHKORBA95)	2					10	14
26	Mateuschuk (DMsinner)	2					10	14
27	Krotov I. (analyst97)	2					9	13
28	Volkov I.D. (thewaydeath)	3					9	12
29	Belyaev I.A. (Igorman231)	3					7	12
30	Vejlert (Wrooz)	4					8	11
31	Arzamastsev K.A. (arzamaster)	1					8	11
32	Giloyan V.T. (Varazdat)	1					7	11
33	Bychkova M.V. (itsbchkv)	1					6	10
34	Pogudkina A. (pogudkina)	2					9	9
35	Lysenko A.A. (NetnikaL)	4					7	9
36	Khazeev D.A. (yatrahal)	3					7	9
37	Sokolova M.A. (PIPELINEPUNCH)	2					7	9
38	balanchuk (alina_bal)	1					6	9
39	Kozhan D.V. (Dushen'ka)	1					5	9
40	Mutsalova I.Ya. (imanjii_ro)	1					ban	ban
41	Peshekhonova Yu. (Hartwidder)	2					7	8
42	Shkirov K. (ramota3)	2					6	8
43	Golikova (loupland)	1					5	8
44	Aleksandr (amihay)	1					5	8
45	pop (lana8678585)	1					4	8
46	Nagornaya (kuku_1989)	1					6	7
47	Aksenova (bludypypy)	1					6	7
48	Bushueva (bau_260410)	1					6	7
49	Krikhun V.A. (kr_lera111)	2					5	7
50	Golovin K.D. ($$$)	2					4	7
51	Afinogenov M.A. (Mo0nL1te)	1					4	7
52	Yunevich M. (Maria5472946)	1					4	7
53	Samokhvalov S.I. (GraimWorld)	1					4	7
54	Stepanchuk D. (__Lonely__)	1					4	7
55	Ushakov A.Y. (ushakov94)	3					ban	ban
56	Polyakova D.Yu. (apple_pie)	1					5	6
57	Gevorgov A. (gevorgov)	3					4	6
58	Gajfullina (tavi777)	1					4	6
59	Denisov A. (Razonador)	4					5	5
60	Lokshina E.V. (Katrya96)	2					5	5
61	Sof'in M.Yu. (VCosmosv)	1					5	5
62	Name N.N. (greg3egerg)	1					5	5
63	Mihailov S. (SemeonM)	1					5	5
64	Artemev L. (Leonid S.)	5					3	5
65	Kh E. (katushkins_s)	2					4	4
66	Niksar (Niksar)	1					4	4
67	Bltrsh (Krn_SQL_beast)	1					4	4
68	Nazarov A. (R2D2_1999)	1					4	4
69	Shure V. (VladimirShure)	2					3	4
70	Tarasov (zalupan)	2					3	4
71	Lebedev G.A. (xeGalaxy)	1					3	4
72	Reddy D.S. (Charan7)	1					3	4
73	Muradyan M. (Mary Devv)	2					2	4
74	Antonov Yu. (DerMichael)	1					2	4
75	Beketov (dimabima)	1					2	4
76	Pereskokova K.A. (karushhh)	1					2	4
77	Chaschina A.D. (Chaschina Anastasiya)	1					2	4
78	Vorob'ev A.N. (AntonVorob'ev)	2					3	3
79	Lyamtseva (lumtses)	1					3	3
80	tsyrenova E.E. (qamiregeee)	1					3	3
81	Kajzer Ya. (YanchiPok)	1					3	3
82	Evseeva V.V. (Lera_)	1					3	3
83	Markin N. (Qmaro)	4					ban	ban
84	G. A. (ManuKoura)	2					2	3
85	Sergeev A. (f_train)	2					2	3
86	Knyazev (Bumbums)	2					2	3
87	Shagalov O.L. (TTC)	1					2	3
88	vvvv (vvvvd)	1					2	3
89	Romanyuk A. (Romanyuk Anna)	1					2	3
90	Bob (foxtailer)	1					2	3
91	Metokhir K. (KM49)	1					2	3
92	Robota (pbolevoi)	1					2	3
93	Lepilov (Sahalyar)	1					2	3
94	Gudkov K.S. (CSKir)	3					1	3
95	1 (Archontos)	2					2	2
96	Danilova E.A. (lissa_)	1					2	2
97	S T.O. (SushkoTO_BSU)	1					2	2
98	dofihg (dofiHG)	1					2	2
99	Israil I.I. (Israil_sul)	1					2	2
100	Yuzhalov (Zhostk1y)	1					2	2
101	Egorenkov A.A. (l1k0n1)	1					2	2
102	Yusipov R.R. (Rasty228)	1					2	2
103	Kuramshin I.O. (vankuram)	1					2	2
104	Bereslavskaya (bereSasha)	2					1	2
105	Ulanov R. (Pomsk)	2					1	2
106	Dimitrov V.M. (vencid)	2					1	2
107	Mishenev M.M. (Mishenev Mikhail)	2					1	2
108	Smirnov A.E. (p4tk)	2					1	2
109	Rebovskij (x-lerasim13)	1					1	2
110	Novikova M. (novmarom)	1					1	2
111	k K. (Makaroshkina)	1					1	2
112	shvydko K. (ksen157)	1					1	2
113	Der S.R. (allmart8558)	1					1	2
114	Korobko I.A. (offisnyi_igor)	1					1	2
115	Morozova K.M. (ksyuho666)	1					1	2
116	Naumov I.T. (Elizardxin)	1					1	2
117	Rodina Kh. (kris.poe)	1					1	2
118	Uvaev A.A. (Pompilio)	4					1	1
119	Mockus M. (aksal)	2					1	1
120	vafina V.R. (l2e3r4a5)	2					1	1
121	Ushakov S. (MoyPsevdonim)	1					1	1
122	Shustov N. (Autist_2007)	1					1	1
123	Tank A. (Alex0102030405)	1					1	1
124	Lidvina I.S. (korella)	1					1	1
125	Molin A.V. (moliano)	1					1	1
126	Skladov A.D. (yuhan)	1					1	1
127	Gladkov A.S. (artemgladkov1)	1					1	1
128	Ivanov A. (Klyuch)	1					1	1
129	Vinogradova S.M. (Tigra1)	6
130	Sarkis'yan G. (gennadi_s)	5
131	Krasovskij E.A. (pegoopik)	4
132	Elish (Bullfinch)	3
133	Porshukov N.Y. (Nik322)	3
134	Pyrkova (La_Gata)	2					ban	ban
135	Bulyakarov S. (Sa1avat)	2
136	Melihova (pnd36)	2
137	Antipova T.A. (truboduuurocka)	2
138	Karavaeva K. (limits)	2
139	Kholopkin D.M. (silius125)	2					ban	ban
140	P I.*. (IrinaPetr)	2
141	Safronov P.A. (Paulus73)	2
142	Zubenko (.tailor)	2
143	Krutoi (KentKrutoiBro)	2
144	Yolokhov (fazzone)	2					ban	ban
145	Klimontova M.A. (white1804)	2
146	Mikhajlova A.A. (AnnettePlush)	2
147	Nikolaev K.S. (vamos732)	2
148	Anokhova A.M. (Yosikenoch)	2
149	Fakhrutdinov A.R. (Asew)	2
150	Pyatnitsa O.A. (Robin)	1
151	Bryukvina O.Yu. (Findus)	1					ban	ban
152	Sal'nikov Yu.A. (Yriy S)	1
153	Koptel'tsev V. (selber)	1
154	Sigankov V.I. (vasilyvanc)	1
155	Petrov (Steamboat)	1
156	Fattakhetdinov I.F. (i.fattahetdinov)	1
157	Mamadrazakov (Azamat_M)	1
158	Stul'nev R.O. (kalter1213)	1
159	Simonyan D. (Nnumby)	1
160	Kalinov I.A. (Werner1989)	1
161	Sorokin A. (alex_squillup)	1
162	N D. (Marsel One)	1
163	Bondarenko S.D. (SofiaB)	1
164	Georgievskij O. (vezdessushiy)	1					ban	ban
165	Kharin I.Kh. (ilal)	1
166	Lobanov D.A. (Dlobanov1)	1
167	qwe R.Y. (TheWrongOne992)	1					ban	ban
168	Davydov R. (roman.davydov)	1
169	Kozlov I.S. (Papa Koldued)	1
170	Saharov A.A. (alexei0)	1					ban	ban
171	Seredin D. (Skinermen)	1
172	Belikov A.K. (Artiomka)	1
173	Ushakov (lllavyb)	1					ban	ban
174	Schepilin S.V. (Sergei_Analyst)	1					ban	ban
175	Denisov A. (Esperanto83)	1
176	Zorin E.O. (popajeck)	1					ban	ban
177	Yalymova (Elina_Grunicheva)	1
178	Rodin (uoloki)	1
179	Raupova N.B. (Nizukuba)	1
180	Grek K. (Kseniiagrek)	1
181	Yakovlev (The_Max)	1
182	Abdulkhakova L. (Lisao)	1
183	Petrov (Pluuusha)	1
184	Golovkin I.A. (GHOST2508)	1
185	R. (Wra1th)	1
186	Semvy V. (semvy)	1
187	S (sergeenko@phystech.edu)	1					ban	ban
188	T A. (Alex.here)	1
189	Ryabov A. (Slavander)	1
190	Abramov V. (Privet ot Sashi Borovkova)	1
191	Alaeva Y. (Alaeva)	1
192	Ermakov A.S. (Mr.Ermak)	1
193	Chernova (EgoZero)	1
194	Chepovskaya Yu.I. (Solllary)	1
195	Valikhadiev (GiyasVAVAV)	1
196	Dobrynin (Emilia_Clark1)	1
197	Merkulov (Lesan)	1
198	Glebov S.D. (Ps1nu5)	1
199	Lyamin G.E. (Ge0_o)	1
200	Petrukovich A.V. (10nastya10)	1
201	Bobylev A. (Aleksei Bobylev)	1
202	Buraya K. (kseni_bur)	1					ban	ban
203	Karapetyan (Cianatalaqui)	1
204	Egorov A.A. (GreyHound)	1
205	Akhmetova (A Farida D)	1
206	Davydova M. (Mariya1723)	1
207	Bukina (ViToshaB)	1
208	Faskhutdinov A.A. (sfiler)	1
209	Goroshko A.A. (saHhar)	1
210	Usachev A.A. (etot33)	1
211	Bashakova E.S. (Alienor)	1
212	Lebedeva A.R. (Leb_Nastya)	1
213	Trubitsin T.A. (SoTeNo4eK)	1
214	Pshenitsyn V. (EvaKrakenSlayer)	1
215	Dynnikova E.R. (lizame1on)	1
216	Nefedov P.A. (Pavel173)	1
217	Chernyshova E. (escyd)	1
218	Lol D.F. (Tolyan67)	1
219	Thomas W.R. (pomoyka1337)	1
220	q (sreyka)	1
221	S L.A. (all1as)	1
222	Bekbolotova T. (Jiselle)	1
223	Silinskaya (rabbitruun)	1
224	Akin't'ev A. (Stephanosss)	1
225	Shilkina (Olga_OS99)	1
226	Sergeev D. (kareos)	1
227	Barbat V. (vbarbat)	1
228	Ashirov R.A. (xPyc9x)	1
229	Garaev (zeskie)	1
230	Kriukov A. (artkriu)	1
231	Kalabonga S.V. (Calabonga)	1
232	Drevin V.V. (dreviw)	1
233	r R.R. (pirhup)	1
234	adamenko T.V. (hikaruu)	1
235	Zhanseit S. (5ymbat)	1
236	Smirnov P.A. (SmirnovPA)	1
237	Mishin P.I. (dogxr)	1
238	bub B.N. (Nvidia77loop)	1
239	Mihailova V. (ValyaMihailo)	1
240	Unregistered	52

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