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September 11, 14:04 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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SQL exercises

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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	Turchuk A.V. (Anastasiya_Turchuk)	1			14	17	15	28
2	Bobrov M.A. (Bobrov Mikhail Alekseevich)	3			6	6	15	18
3	Vinogradova S.M. (Tigra1)	1	1	138		5
4	Frolov K.A. (Murderface_)	1			1	2
5	Kuznetsov V.P. (qizz220)	1	1	1		1	1	1
6	Artemev L. (Leonid S.)	3			1	1	5	7
7	Mazanov V.O. (icanseeya)	1			1	1
8	Zanegina S.N. (asdfggk)	1					ban	ban
9	Bayguchukova A.M. (ABayguchukova)	4					14	21
10	SDSVDFVFD (GDFSFGDFGD)	3					14	17
11	Palilova V. (_i_n_s_s_)	1					13	16
12	Bogdan S.Yu. (_Serge0_)	1					11	15
13	guru (rgcust)	2					9	15
14	Chalaya E.E. (chernoburka)	1					11	14
15	Mallina O. (mallinaolga1)	2					10	14
16	Dubov M.M. (mishadubov)	1					10	14
17	Golodniuk (ya chmo)	1					10	14
18	Zhorov (zefir123)	2					10	13
19	Kiselev A. (kmoku_)	2					9	13
20	Bobin (wenzeljarvinen)	1					9	13
21	Garmaeva (xveiwayy)	1					8	13
22	Orlova E.K. (Liza_a)	3					9	12
23	Anikanova A.A. (algaaa)	1					9	12
24	Bodyagina E. (lisa_b)	1					9	12
25	Tubshinova N.R. (Tubshinova Nayana 01241)	1					ban	ban
26	Ozolin (ArturOz)	1					8	11
27	Lukanov G.S. (GoatOfWaR)	1					8	11
28	Gornostaev A.A. (alex2007gor)	1					7	10
29	Ivanov (denisssss1234444)	2					6	10
30	Churilov O.E. (HocokTopok)	1					6	9
31	Mironenko O. (Ol'ga Miro)	3					5	9
32	Isaenkova M.V. (IMV)	2					7	8
33	emkotikov (emkotikov)	2					7	8
34	Bogdanic A. (Anteee)	2					ban	ban
35	Spiridonov I.D. (knopki6752)	1					5	8
36	KHU (kittysss)	5					6	7
37	Barashkin A.A. (conquru)	2					6	7
38	Sheludyakova (ShellSight)	1					6	7
39	Pogosyants (Ivan338)	1					6	7
40	Fakhretdinov I.I. (Ildarushka1)	2					5	7
41	Kozlov I.S. (ivank88)	1					5	7
42	son D.S. (v golove - NULL)	1					4	6
43	Vyuzhanin (Plashka)	1					4	6
44	Malykh K. (CartOwOgraph)	1					3	6
45	Salmorbekov A.I. (Almabek03)	3					5	5
46	Kazekage (Temari)	2					5	5
47	Zhizhechkina M.D. (Maria187Q)	2					5	5
48	Zhivotov S.V. (pchellk)	2					5	5
49	Khazieva V.Kh. (vasilek82)	1					5	5
50	Faradzhov (Aslan Farad)	1					5	5
51	doronina (lisa_roerich)	1					5	5
52	Shekhov M.A. (MaksS_10)	1					5	5
53	Skamov E.K. (Scumjazz)	1					5	5
54	Crea (_Kira_super_)	1					4	5
55	Surkov A.A. (Surkov_27)	1					4	5
56	Abramenkova (muroni)	1					3	5
57	Melnik (sgproo98)	1					3	5
58	Kapitanov A. (Liriodendron)	2					3	4
59	Tynybekova G.R. (Gulaisha)	1					2	4
60	Andreev K.S. (ruiner-lucio)	2					3	3
61	Stytsyuk N. (natalia19930420)	1					3	3
62	Shagdarbekov N.Z. (Nurlybek2424)	1					3	3
63	Myakishev M.N. (iuiui)	1					3	3
64	Petrov M. (mishany96)	2					2	2
65	Maslakov A.V. (Dr.Dre72)	2					2	2
66	Borblik Yu. (BorblikHost)	2					2	2
67	Khazhikarov K.M. (Hioms)	1					2	2
68	Gr D. (Demon_gr)	3					1	2
69	Gajnutdinov (AiratG)	3					1	2
70	Puchkova A.S. (NesKolins)	2					1	2
71	Sobachkin A.F. (Al_Wolf)	2					1	2
72	New R.G. (newLogin)	2					1	2
73	Petrov (pololodgf)	1					1	2
74	Elena E.E. (elenaaaaaaa)	1					1	2
75	Goldobin E.G. (prm259)	1					1	2
76	Balduev D.G. (Dorgo)	1					1	2
77	Surname (Void_107)	1					ban	ban
78	Sofronov A. (SAstrateg)	1					1	2
79	Kajlachakov M. (MikeKyle)	1					1	2
80	Ermilov V.S. (Skorpius)	1					1	2
81	Kagarmanov A. (wwww12)	2					1	1
82	Anastasiya T.S. (AnastasyaT)	2					1	1
83	nurtas K.S. (TimaTon)	1					1	1
84	Mishin (Nikolai_1024)	1					1	1
85	Kalibekov M.R. (Sardon)	1					1	1
86	Zakharov V. (Aftornett)	1					1	1
87	Milyaeva K. (MadamSengo)	1					1	1
88	familievna (tatianka111)	1					1	1
89	Chizhevskij (AntiButer)	1					1	1
90	Dusenko T.S. (EvgeniaUg22)	1					1	1
91	Sarkis'yan G. (gennadi_s)	4
92	Vyshinskij D.V. (NNHueet)	4
93	D'yachkova V.M. (vikauwz)	4
94	Krasovskij E.A. (pegoopik)	3
95	Lazarev D. (Scrollcer)	3
96	Isaev V. (valeriy.he)	3
97	Il'inchik F.A. (btwwteo)	3
98	Shibaev (saah)	2
99	Abdulmanapov A. (Dvarik)	2
100	Kalina K. (Hikkki)	2
101	Yana Y.Y. (KeiYana)	2					ban	ban
102	Korolev R.V. (zouker)	2
103	Odnokurtsev (AlFochino)	2
104	Ivanov I.I. (pasta123!@#)	2
105	Khakhulina E.V. (Akulina)	2
106	Tsarev A. (A_Tom11)	2
107	Gagarina A.V. (Antxrf)	2
108	Podoplelova M. (MarinaPod)	2
109	Akhmadzoda A.F. (abdullo95)	2
110	Rakhmangulov D.T. (RDT)	2
111	Krotova D.S. (Krotova_Darya)	2
112	Kozlova M.S. (Kozlova_Maria)	2
113	Khandogina Z. (flazz)	2
114	Bazhenova Yu.I. (vintek_o)	2
115	Evchenko E.V. (evchenko)	1
116	Petrov (Steamboat)	1
117	Selezniov M. (Mihail Selezniov)	1
118	Dzhamaldinov M. (Benediktof)	1
119	markelenkov (marker12)	1
120	Mal'kevich (Livex)	1
121	Karamyshev I.O. (Arqw)	1					ban	ban
122	Cornejo F. (VoidVortex)	1
123	Ryabykin M.V. (Mikhail1704)	1					ban	ban
124	Chibisov S. (ss_chibisov)	1
125	Yolguin A. (qqqq129387)	1
126	Tsevelev (TSDi)	1
127	ArsenalVItek V.V. (ArsenalVItekLOL)	1
128	Chern A. (Caxa)	1
129	Rumyantseva L. (ahren_enigme)	1
130	Murych (Soff2222)	1
131	Shishov O.V. (Oleg063)	1
132	Kolosunina A.A. (skywa1ker)	1					ban	ban
133	Khamuev (Tabooret)	1					ban	ban
134	Klochkov S. (Klochkov Sergey)	1
135	khaytkulov (Kronom)	1
136	Kosov A.A. (Kintoky-san)	1
137	Pavlov I.A. (WhiteCat110)	1					ban	ban
138	Nep (student252)	1
139	P I.*. (IrinaPetr)	1
140	Sviridov D.V. (dan20qwrt)	1
141	R. (Wra1th)	1
142	Lysykh V.K. (Usilitel')	1
143	Akameeva S.V. (SVA1)	1
144	Gromov N.S. (Factory)	1
145	Goncharov K.D. (manerasql)	1
146	turkot9 (turkot9)	1
147	Kozhemyakin Yu.V. (Kontebo)	1
148	Tsyrenov A.B. (adam smith)	1
149	Ivanov I.I. (tatsoul)	1
150	Shramenko A.S. (Artyom95)	1
151	Zharchenko Z.S. (wwz_zww)	1
152	Agametova B.K. (Agametova Bella)	1
153	7shkin S.V. (Slavnik)	1
154	Eliseeva O.S. (wspw777)	1
155	Chudikov A. (a.chudikov)	1
156	Burtonov A.V. (tak to)	1					ban	ban
157	Levin Yu.A. (pdestroyer)	1
158	edmond2 (edmond2)	1
159	Deus M.-. (Michael Deus)	1
160	Smirnov A.A. (sasha-smir)	1
161	Saukin U. (novichok_PA)	1
162	Nesterov D.A. (saha909)	1
163	Reva S.I. (s.reva)	1
164	Noskov P.I. (P_noskov)	1
165	Nebol'sin N.A. (Gripenll)	1
166	Savastyuk A.E. (fearofgod)	1
167	sul (sulem7)	1
168	Belyaev I.A. (Igorman231)	1
169	Volkova (TBshnik)	1
170	Okulov A.M. (arkhalien)	1
171	Shimbarevich M.A. (elevation)	1
172	guku R. (huhusky)	1
173	Meng D.S. (meng.d)	1
174	ne B.P. (Shuqizy)	1
175	Ismailova A.I. (Ismailova_Anastasia)	1
176	Karibova K. (Ekaterina7899)	1
177	Kamenovskij I.A. (Kamenovskijigor)	1
178	Sherstobitova V.A. (Sher_Veronica)	1
179	Lezhanina A. (ookkkkkkk)	1
180	Kanzeparova L.I. (LuizaK)	1
181	Atkulova M.A. (m_atkulova06)	1
182	Kasatkina S.O. (Sofya_Kasatkina)	1
183	Unregistered	34

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