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July 10, 16:27 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	Safronov P.A. (Paulus73)	2	2	136		6
2	Odnokurtsev (AlFochino)	3			3	5
3	Shibaev (saah)	1	1	38		2
4	Z D. (staldem)	1	1	1		1
5	Podgornaya D.R. (Himikoo)	1					15	27
6	ess (ernyg)	2					ban	ban
7	Haciyev I.A. (Ismayil)	1					10	20
8	Zavadovskij A.A. (wellhior)	1					ban	ban
9	Uvarov N.A. (Manuloff)	1					10	15
10	kafka (kafk4)	1					8	13
11	Burtonov A.V. (tak to)	2					9	12
12	Kuzin D.S. (deffer777)	2					7	12
13	Yavorskij I.O. (Shikorae)	1					9	11
14	Arutyunyan A.A. (ARTUR1100)	1					7	11
15	Kostrygina (Hiki_Imaru)	1					6	11
16	Salov S. (Koshachek)	2					7	10
17	Cher (nqc4)	1					6	10
18	Zvyagintseva U.V. (zzzwjaga)	3					5	10
19	Nekrasova (3nea)	1					7	9
20	T R.J. (jenra)	1					7	9
21	Buividovich D. (Denkazor)	1					7	9
22	Fakiev D.Z. (ysnl)	1					6	9
23	Myrzabek N.K. (nurrrzat)	1					6	9
24	Terlovaya T.V. (Mike Vazovsky)	1					6	9
25	Shmal'ts A.E. (sobaka baka)	1					ban	ban
26	Mokhov (hmtr)	1					5	8
27	Naumenko D.V. (SokolykOff)	1					5	8
28	Lagutenko A.A. (lag-aa)	1					ban	ban
29	Ivanov D.I. (VivaLaVida)	1					6	6
30	Ashuba B.D. (badis)	1					3	6
31	Mikhajlova V.P. (veneragret)	2					5	5
32	Leonard R. (V0n)	1					5	5
33	Osipov (ospvdmm)	1					5	5
34	Petrov I.P. (ip010170)	1					5	5
35	Aleksandrov (SMAK11)	1					5	5
36	Serdyukov I.S. (Seeerd)	1					5	5
37	Abdrakhmanov R.R. (AbdRail)	3					4	5
38	Bekk (Erko2004)	1					4	5
39	Sverdlov (Saxo_Grammaticus)	1					4	5
40	Maksimenko S.Yu. (msavia)	1					4	5
41	Galfik (scio_nihil)	1					4	5
42	Mendes L.*. (Lmendes98)	1					3	5
43	piopio5 (piopio5)	1					3	5
44	Kashin A. (AlexWinner)	1					3	5
45	Titov V.A. (va_titov)	1					4	4
46	Ivanov V. (vityansk)	1					3	4
47	Babeikin E. (Reliquell)	1					3	4
48	Nastya N. (NastyaZaika)	2					2	4
49	Pushkarev S. (PSV_n)	1					2	4
50	Abdulov F.N. (FuadSQL)	1					2	4
51	Savin .V. (banana_crepee)	2					3	3
52	An (Rusk111)	2					3	3
53	Aksyonov V.A. (VladiAks)	2					3	3
54	Zakiev Z. (raovaoldyv)	1					3	3
55	Yanushkevich I.M. (Yanush999)	1					3	3
56	starcev T. (timstars)	1					3	3
57	Kazakov A.S. (Dialius)	1					2	3
58	Fetisova D. (FDiana)	1					2	3
59	Tarasenko A. (AnnieOmsk)	1					2	2
60	Petrov (finnn_klmn)	1					2	2
61	Pillai A.A. (ashwiniajikumar)	1					2	2
62	Fedoseev R. (Folker)	2					1	2
63	Saxenbayeva Z.S. (zhsaksenbaeva)	2					1	2
64	Ivanov (WillSom)	1					1	2
65	Evstaf'ev D.A. (Redis22)	1					1	2
66	Talanina L.I. (batberry)	1					1	2
67	Fukalova (mycqlef1)	1					ban	ban
68	Il'in I.N. (Igor_Il)	1					1	2
69	Grachyov P. (Rylai_Mineski)	1					1	2
70	Urakina K. (Ksu774)	1					1	2
71	Smirnov L.S. (l30nug)	1					1	2
72	Shaikh (Angy33)	2					1	1
73	Khmara D.M. (dmitr1y06)	1					1	1
74	Evgen'ev (gek_c)	1					1	1
75	Zubkov D. (Dm54)	1					1	1
76	Perekalov I.V. (Anino3333)	1					1	1
77	Murat M. (murat_mukhammed)	1					1	1
78	Antonova (Elena_No)	1					1	1
79	Ivanova A. (dom_dracona222)	1					ban	ban
80	Apashkina M.A. (Marina Apashkina)	1					1	1
81	Luchnikov M. (pupkaLupka)	1					1	1
82	Pavlenko S.D. (PavlenkoS)	1					1	1
83	Mest (Adam01)	1					1	1
84	Platon (.plat)	1					1	1
85	Goryaev A.D. (gorayev)	1					1	1
86	Mokhov A.S. (hmhmtrtr)	3
87	Mahajan P.A. (pm1111)	3
88	Krasovskij E.A. (pegoopik)	2
89	Koptel'tsev V. (selber)	2
90	Gitinomagomedov (gmansur88)	2
91	Skokov B.S. (leks$$)	2
92	Kulikov M.O. (maximcka87)	2
93	Skibin V.V. (SQL_vvs)	2
94	Okolnikova (SofyaO)	2
95	Novikov S.V. (StepashkaRuiner)	2
96	Polikarpov K. (kir0206)	2
97	Saperov S.V. (s4per)	2
98	Mhasalkar S.S. (sneha@007)	2
99	Beresnev V.P. (dispi)	2
100	Sukhin (Artem797)	2
101	Kuz'mina E.V. (Fiction)	1
102	V (Tenyva)	1
103	Kovalenko N. (Nicos)	1					ban	ban
104	Hmel A.Yu. (hml)	1
105	Polyakov V.M. (rock_4)	1
106	Sivaci C. (Stigandr)	1
107	Nerkararyan (karlen)	1
108	Abdulmanapov A. (Dvarik)	1
109	Mochalov M.M. (Zero_Shadows)	1
110	Vodolazova A.V. (Vodolla)	1
111	Popov S.V. (Fierce)	1
112	N. A. (Argon7)	1
113	Bogomolov I.V. (thebird)	1
114	Nikol'skij I.Yu. (igoryun)	1
115	Silin M.S. (Khornist8)	1
116	Saleev (Valees)	1
117	CB9IT (Ded CB9IT)	1
118	Familiya (mr.Artem)	1
119	Kostenko E. (Katya.2k)	1
120	qwe Q.Q. (cryp0putin)	1
121	Petrov P.P. (Pod123)	1
122	Galik I.V. (barmgalot_kz)	1					ban	ban
123	Ivanov I.I. (genrigale)	1
124	Pochtova E.A. (Evgesha13)	1
125	Lazarev D. (Scrollcer)	1
126	Kisinsikj P. (PavelKisin)	1
127	Gil' E.V. (Katherin)	1
128	kovaleva U.K. (Mr_GadJet)	1
129	Kim D.A. (Sanpai)	1
130	Skuratov S.A. (skuratov-sa)	1
131	Molokanov (kotulya)	1
132	Idzhon E.A. (Ewalddt)	1
133	Strukov (StrukovSA)	1
134	Glukhova Yu.V. (Narasslabone)	1
135	Argunov (russs111)	1
136	Prajs A.A. (Abort_Price)	1
137	Lyakhovskij (Pol9lk_3228)	1
138	Dyagileva O.M. (Olya Dyagileva)	1
139	Sarkis'yan G. (gennadi_s)	1
140	Kaverzin M.A. (Amnesia172)	1
141	Molchanov I. (scimyst)	1
142	ss A.S. (SashaSS)	1
143	Rodin (uoloki)	1
144	Torn (Dzimey)	1
145	Shakaryan B. (bogdanshakaryan)	1
146	Zhmyshenko (notepu1)	1
147	noName (Nika2345)	1					ban	ban
148	Belikov (VBS_)	1
149	Otegen N.S. (Amon31)	1					ban	ban
150	R. (Wra1th)	1
151	Berezovskaya D.V. (dashaeverafter)	1
152	Bel'mach M.V. (mrbelm)	1
153	Lysykh V.K. (Usilitel')	1
154	Zaripova E.R. (elinnazr)	1
155	Akameeva S.V. (SVA1)	1
156	Abdigani K. (Kuanysh098)	1
157	Arutyunyan V.I. (tamplier39)	1
158	namrozar R. (namrozar)	1
159	Narembekov T. (fountaineww)	1
160	Surin E.S. (Egor_stark)	1
161	Sten'kova V.S. (BarabashkaV)	1
162	Dolgov I. (BRATZ)	1
163	Yakovleva E. (ne_psihuy)	1
164	Popil' R.A. (popilroman)	1
165	Tolmachev R.S. (Ruslan Sergeevich)	1
166	Shinkevich I.V. (aivan96)	1
167	Khakimova M.R. (MavjudaHakimova)	1
168	Grezneva N. (celestica)	1
169	Ivanov (f35g35h)	1
170	Tikhomirov V.B. (t-slava)	1
171	Chepovskaya Yu.I. (Solllary)	1
172	Pahadayeu A. (AndOffline)	1
173	Nos Ya. (yana_nos)	1
174	Vydrin (kandratt)	1
175	Starkov A.V. (anstarko)	1
176	Egorova (Milka8)	1
177	Pershutkina Yu. (iuliia_persh)	1
178	Volkov D.S. (Dmitry_VS)	1
179	Jhonson (Akela777)	1
180	Savchenko V.P. (Vladislav11111)	1
181	Drakovskiy S.A. (Drakon27)	1
182	Somkuwar V.M. (Vidhita Somkuwar)	1
183	falke S.Y. (shruti falke)	1
184	Gusynkina I.E. (Irina_Gusynkina)	1
185	Demkin M.N. (mikledem)	1					ban	ban
186	Bilyk K. (ArchiKate21845)	1
187	gusarov I. (lllia)	1
188	Nhane S.M. (Sujal)	1
189	Litvinov D.Yu. (fdgu)	1
190	Kozlova U.S. (tutu1421341)	1
191	German G. (Kuka13)	1
192	Kubarev A.V. (Alexjin888)	1
193	Tanpure V. (VRT)	1
194	Emel'yanenko A.G. (Kniazz)	1
195	Israpilov R.O. (Ruslancik)	1
196	Lenin V.I. (Justlox)	1
197	Zlotskaya E.O. (Barmalizik)	1
198	Grinevich G. (GalaPlastic)	1
199	Rakhmetova D. (Day_ana)	1
200	Yur'evich D. (Tiourikikaze)	1
201	Unregistered	30

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