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April 16, 13:11 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	Gusev A.O. (NowOrNever)	3			11	17
2	fioletovaya (fioletovaya2)	1	1	24	1	4
3	M (DanilM2304)	1	1	37		3
4	Badakh'yan S. (wamp.j)	1	1	71		3
5	Potemkin (Yazon_79)	1	1	-8		2
6	Odnokurtsev (AlFochino)	1	1	92		2
7	Zonova S.S. (sakhon)	1					ban	ban
8	Inchworm (Inchworm123)	1					15	27
9	Ivanova V.A. (bogovarovo522@mail.ru)	1					15	25
10	Baranikov A.D. (Retusha)	1					15	24
11	Kudrya D.A. (aminkaf)	1					15	24
12	Derkachyov (YarDerkahev)	2					15	22
13	Ol'khovskij A.S. (Olkhovskiu)	1					15	19
14	Tulaikin V. (tulaikinv)	1					9	18
15	Kolesnikov A.E. (Ellety)	1					15	15
16	ImI (Mothya)	1					11	14
17	Arshanov A.I. (Balzhima)	1					ban	ban
18	Nikolaev A.N. (n1kolaevs)	1					5	14
19	Alekseeva A.V. (Konfetka585)	1					10	13
20	Mustafin M. (Tsukiyama_Ken)	1					8	13
21	Bazarov (violonchel)	1					8	11
22	Alek (litvin001)	1					6	10
23	Vasil'ev (GudiniMoonlight)	1					6	10
24	Mel'nikov M.N. (soulsmouse1234)	1					6	10
25	Kargina V.R. (Vika Kargina)	1					5	9
26	Man A. (SqlAndManPsevdonim)	1					5	9
27	Ivan'ko (prostak943)	2					6	7
28	Dushkin V.V. (VladimirDushkin)	1					6	7
29	Koyusheva D.V. (kodava)	2					5	7
30	Yanykin K.D. (Kirill Yanykin)	1					4	7
31	Marinski O.A. (OgnyanMarinski)	1					4	7
32	Sukhareva V.V. (Veronika666)	1					4	7
33	Chernyshov S. (Chernyshov2002)	1					4	6
34	Dumnov V. (doomnow)	1					4	6
35	Polosina (Anastaiia)	1					4	6
36	Khalukhaeva E.D. (Evushka)	2					5	5
37	Legun'kov M.M. (OwnMonster84702)	1					5	5
38	Bogacheva (olllb)	1					5	5
39	Orlov D.D. (totalor)	1					5	5
40	Vukovic M. (mvuk80)	1					5	5
41	Leonchuk (jegyar)	2					4	5
42	Abdullaev' B.I. (Babek94)	1					3	5
43	Kharina E.S. (katuhhr)	1					ban	ban
44	Medvedeva Z.M. (medvedevazl)	1					3	5
45	Rzaev (tgrnk)	1					3	5
46	Skald (RussellSk)	2					4	4
47	Wow (wassupski)	2					4	4
48	Ledzhinova E. (ellesade01)	1					4	4
49	Klepikov A. (AntonKlepikauu)	1					4	4
50	Stepanov S.V. (Nostix)	3					2	4
51	Bystrov F. (FEDORBYST3445)	2					2	4
52	Alipov S.A. (alipSTP)	2					2	4
53	Kononov A.P. (koKS1k)	1					2	4
54	Bashaev I.O. (VVMMXXV)	1					2	4
55	Shvetsov D.Sh. (DanechekSw)	1					ban	ban
56	Leschinskaya A.A. (lleschinskaya)	1					2	4
57	Khonin A. (KhonDA)	1					2	4
58	Novikova M. (novmarom)	2					3	3
59	Ulybin (tanderug)	1					2	3
60	Sviridov D.V. (dan20qwrt)	1					2	3
61	Pulkin K. (karl228)	1					2	3
62	R (Arina.8301)	1					ban	ban
63	Khatskevich (B1nk55)	1					2	2
64	Bdfg (Woli)	1					2	2
65	Ponomarenko (Artem1337h4ck3r)	2					1	2
66	Musaeva S. (Saidochka)	2					1	2
67	Lavellan L. (Lewon)	1					1	2
68	Bitsoev E.T. (Bisotti Eduard)	1					1	2
69	Popov D. (linklib.web)	1					1	2
70	Kerimov (EniRock)	1					1	2
71	Golubenko A.A. (andrigo1707)	1					1	2
72	Vakulko A.V. (VAlexandrV)	1					1	2
73	Safronov A.S. (Gogen)	1					1	2
74	Goldobin E.G. (prm259)	1					1	2
75	Otradnova S.V. (gloomeries)	1					1	2
76	Erykalin A. (JAKIBS)	1					ban	ban
77	Mad'yarov (Ndrix)	1					1	2
78	lugov S.S. (sav9797p)	1					1	2
79	Krylova D.A. (krylovada)	1					1	2
80	Duisenbayev (3UMF)	1					1	2
81	Ritalinov A.K. (Aderall Concerta)	1					1	2
82	Shapovalova D. (Moramori)	2					1	1
83	Z Y. (YERL)	2					1	1
84	Evgenij (jktrigger)	2					1	1
85	Panicheva V.D. (_Vika_)	1					1	1
86	Molotkov (hummeg)	1					1	1
87	Zolin A. (artem333666)	1					ban	ban
88	Galeev (TryToFindAwork6thYear)	1					1	1
89	Braun D. (den_braun)	1					1	1
90	D V. (DlytexKtoPoidetSledom)	1					1	1
91	Kuznetcov (Alexsai)	1					1	1
92	Shablinskiy M. (puqupu)	1					1	1
93	Irkhin V.E. (dinamie_76rus)	1					1	1
94	Mulyukina A.R. (carolinaredeyes)	1					1	1
95	Baskal (Bairal)	4
96	Petrov N.V. (Nick21)	2
97	DO R.M. (danchikPi)	2
98	Krupskij M.A. (Korchak)	2
99	Stepanenko K.Yu. (St.Constantine87)	2
100	Komov S.M. (Komov S. M.)	2					ban	ban
101	Paella (Aliero)	2
102	Rakova V.R. (veronika_rakova)	2
103	Zolina (nyvmicha)	2
104	Obraztsov A.M. (KamaTozniik)	2
105	Shibaev (saah)	1
106	Tsoy I.A. (IRIANA)	1
107	Schetinin G. (gtscheti_)	1
108	Panych T. (Tanya59)	1
109	Koptel'tsev V. (selber)	1
110	Polyakov V.M. (rock_4)	1
111	Gorbunov M.S. (gms)	1
112	Semenova E.O. (Miss_Emily)	1
113	Sil'van (silvr)	1
114	Oganesyan A. (valtonary1)	1
115	Timur (Timdzha)	1
116	Unknown A.U. (zbm_alex)	1
117	Smith (tibacityblues)	1
118	Tsay S. (Sergey Ts.)	1
119	Rodkina E.R. (ElinaRodkina)	1
120	abakumova S.I. (abaqmova)	1
121	Matievskaya K.I. (katrinm)	1
122	Veshkurtseva A.A. (anless1597)	1					ban	ban
123	Fokin (fourty)	1					ban	ban
124	Statsenko V.O. (ValerDOS1x)	1
125	Myzuka N.I. (Nazarii Myzuka)	1
126	Molotkova (Molotkova)	1
127	Rybakov D.S. (BillBuffalo)	1
128	Saburov R.S. (FrankSenatra)	1
129	Kochetkov D. (DeBe)	1
130	Fedorov K. (kira q)	1					ban	ban
131	Manzhikov (Musajiji)	1
132	Sinyavskaya E. (miatoo)	1
133	Khasanov N. (Nick Khasanov)	1
134	Menshov A. (Andrei00)	1
135	Borovskaya Y. (kkatesskii)	1
136	Kovalev (kovaldem)	1
137	Loginov S. (loginov_sql)	1
138	Kachkaev A. (alevaka)	1
139	Kizilov A.E. (AKiST)	1
140	Letdown L.D. (letdown)	1					ban	ban
141	Ivanov I.I. (sql_svinger_double_finger)	1
142	Skokov B.S. (leks$$)	1
143	Basharov R. (ittsg)	1
144	Petrov I. (btophikmeh)	1
145	Shukaku (rofas)	1
146	R. (Wra1th)	1
147	Pitsil' A.D. (bad_developer)	1					ban	ban
148	Nik (nikvip)	1
149	Stepanov (LexFrom)	1
150	Tokar K.I. (Zegwaer)	1					ban	ban
151	Khorekhoeva M.A. (sekwoyx)	1					ban	ban
152	Mussaif M.-. (MarzhanMussaif)	1
153	Cheprasov A.A. (andruwa_01)	1
154	Barakov (Dyadya Grisha)	1
155	Kuzgov (halid_user)	1					ban	ban
156	Lysykh V.K. (Usilitel')	1
157	Velichenkov D.A. (Galotane)	1					ban	ban
158	Ustyuzhanin L.V. (Leoniiid7)	1
159	Skoigor (poehali)	1
160	Abramov V. (Ichigo Kurosaki)	1
161	yan (raslrrrr)	1
162	Pitcil (fallsin)	1					ban	ban
163	Lobanova M.L. (lobanovamariya)	1
164	Wick D. (skywxlker)	1
165	Spitsin V.V. (Vitaly699)	1
166	suvorov (alexxxx1337)	1
167	shukir B.D. (baljansh.)	1
168	Sibejkin I.A. (POIUYTHEHAPPY)	1
169	dsd S.D. (kupro228)	1
170	Efimov V. (YOLMMi)	1
171	Rabdanova K.E. (hwq)	1
172	FoxIT (FoxIT)	1
173	Desyatkov A.A. (Devastated666)	1
174	Mironov A. (tr302)	1
175	Grachev A.V. (TheFlamingFoam)	1
176	Duisen A. (lnzhiiboo)	1
177	Batashova S. (sbatashova)	1
178	Kosh (Vlad1098)	1
179	Bogatyrev N.V. (BNV2873)	1
180	Evloeva A.Z. (ewloewa)	1
181	Makeev M.V. (Zettyr)	1
182	Shelepov (focusme93)	1
183	R. A. (Erayo)	1
184	Nurbaev V.V. (Ulanovka)	1
185	Ivanov (Citizen_88)	1
186	Soryu A.L. (RemiliaScarlet3)	1
187	Klim (Alex_257443)	1
188	Hutchinson L. (Luther_Hutchinson)	1
189	familiya I.O. (adshiasdlaskl)	1
190	Makashov (Duke_Nukem1983)	1
191	Novoselov P. (Pavel1979)	1
192	Kim K.S. (lumbersh)	1
193	good_guy (borisiuk_sql_13)	1
194	s S.S. (lelouchx)	1
195	Belkina M.A. (Gypi_1)	1
196	Pribluda A.V. (anti-tank_hedgehog)	1
197	Ekazheva F. (fariddaa)	1
198	Bikbaev M.R. (qwertyuiop1212121212)	1
199	musaliev B.B. (mbpride)	1
200	Artur (cheburashka_007)	1
201	Krasheninnikova Yu.S. (Juli Krush)	1
202	Udovichenko L.D. (Al'bert Epshtejn)	1
203	Kuzmanovska (Maja_QA)	1
204	Markov M.M. (Kul'minatsiya)	1
205	santos M. (marcelo91)	1					ban	ban
206	Robert A.D. (robert7781)	1
207	F R.A. (Avrabiyas)	1
208	Shaulenova M.G. (Manshuk)	1
209	Kalinchuk M.S. (kalinchuk)	1
210	Agafonov M.R. (godtimey)	1
211	q Q.Q. (itiL)	1
212	Yanchuk E.P. (Ekatya_fly)	1
213	Manasyan V.A. (Vika543)	1
214	Unregistered	86

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