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August 31, 18:46 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	Skokov B.S. (leks$$)	1	1	45		2
2	Vysochanskij D.V. (ddrproxy)	1					15	25
3	Mal'tsev V.O. (monsterlolit)	3					15	22
4	Rushanyan A. (sasik1984)	1					15	20
5	Il'in S. (Maito_Gai)	1					14	20
6	Podlipovskaya N.I. (lipkkkka)	2					12	20
7	sar G. (konick_gs)	3					11	19
8	Smirnov I.K. (karpkarpov)	1					ban	ban
9	Bektashev I.V. (ilven10)	1					15	18
10	Zhur V. (mrvaroz)	2					10	16
11	Sedun A.A. (antoshaSQL)	1					9	15
12	Gopanenko (Zapruda)	1					11	14
13	Usanova D.A. (Usanova Dar'ya)	1					8	13
14	Ivanova O.N. (olga_ivanova)	2					6	13
15	Ivanov D.I. (dimonivanov)	1					10	11
16	DMRITsD (TheCupOfMagic)	2					8	11
17	Kuz'menko (ma0kuz)	1					8	11
18	khaytkulov (Kronom)	1					7	11
19	Koloskov (Art_Dart)	1					ban	ban
20	Detrienko D.S. (Dmitrij Detrienko)	2					7	9
21	Lashkevich E. (wenywenywo)	1					7	9
22	Zhandarov A. (Leshka_1322)	2					5	9
23	Borodin A. (Rignar)	1					5	9
24	Noskov P.I. (P_noskov)	3					5	8
25	Martynov (daeso)	1					5	8
26	Shishova P.S. (shajealess)	1					5	8
27	Koala2 (Koala2)	2					4	8
28	B (silver10lucky)	1					7	7
29	Koneva T. (taniakkoneva)	1					6	7
30	Shakaryan B. (bogdanshakaryan)	2					5	7
31	grigor'eva V.D. (pivovar123)	1					5	7
32	Shagalov O.L. (TTC)	1					4	7
33	Ivanova (evkaa1234)	2					5	6
34	Folomkin I.N. (onevay)	1					4	6
35	Tikhomirova K.A. (tihomirova.k2)	1					ban	ban
36	Petsgol'dt P.K. (Pavel1PK)	1					4	6
37	Kitaev K.I. (Kostas1234)	1					ban	ban
38	Piotka V. (Pilotich)	1					ban	ban
39	Ivanov (1c_enjoyer)	1					5	5
40	Timchuk I. (Ilya Timchuk)	1					4	5
41	Star E. (raskodirovan)	1					4	5
42	Novikov P. (btte21)	2					3	5
43	Astrelina D. (smiling_corgi)	1					3	5
44	Petrov (shader1)	1					4	4
45	Yamshikov V. (Qgol)	1					4	4
46	Dev A. (bluefish4you)	1					3	4
47	Cherniy S.C. (mabakarov)	1					3	4
48	Kornienko (Ivan Kornienko)	2					2	4
49	kofuku (Kofuku)	2					2	4
50	Shuginin Yu. (der_Spielmacher)	1					2	4
51	Urakina K. (Ksu774)	1					2	4
52	Isakov (Isak)	1					2	4
53	Zub (Rosavor.)	2					3	3
54	Bezhalova A.A. (chopp)	2					3	3
55	Korolev R.V. (zouker)	2					2	3
56	user (roitiuser4)	2					ban	ban
57	Romanov (PirateCat)	1					2	3
58	Lyakh (LinaL_)	1					2	3
59	Solomnikova (AlexSolom)	1					2	3
60	temirgalieva D. (Dilarochka)	2					2	2
61	Dubina (BITW120496)	1					2	2
62	Kurakin (billir)	1					2	2
63	petrov (j0ke!)	1					2	2
64	Berseneva T.M. (Bersa_3785)	3					1	2
65	Shaikh (Angy33)	2					1	2
66	Romanchuk I.A. (ial.romanchuk)	2					1	2
67	a A.A. (rdctfvygbuhjnk)	2					1	2
68	Murat I. (Inzhu_murat13)	2					1	2
69	Sklyarov A.M. (DataRadist)	2					1	2
70	Karavaev A.S. (karavaev_as)	1					1	2
71	Beketov (becat)	1					1	2
72	Kameneva (kristachak)	1					1	2
73	Komissarov E. (Lalafa1)	1					1	2
74	familievna (tatianka111)	1					1	2
75	Mathematicienne (Mathematicien)	1					1	2
76	Markovtseva (Mika2aj)	1					1	2
77	Ya (eliz13_13)	1					1	2
78	Leont'evskij D.Yu. (Denis__20)	1					1	2
79	AVAVY A.A. (LUNDUK)	1					1	2
80	Makarova A. (JuStudent)	2					ban	ban
81	Shapiro D. (xx_Da_Sha_xx)	2					1	1
82	Matveeva V.S. (AKIVA95)	2					1	1
83	Leschenko (Verochka_21)	1					1	1
84	Guschin I. (IgorZadachkin)	1					1	1
85	Zozulya P.A. (Polechkaaa)	1					1	1
86	Khom N.M. (Nikk77)	1					1	1
87	Chemrov (Ponch1k)	1					1	1
88	Erofeeva K.S. (Kristyona)	1					1	1
89	Demidov M. (ceramicboy)	1					1	1
90	Slesarenko S. (SleSergey)	1					1	1
91	Murat M. (murat_mukhammed)	4
92	Shtumpf A. (shtumpf)	3					ban	ban
93	Krasovskij E.A. (pegoopik)	2
94	Ivanov (UB_Oleg17)	2
95	Pavlov M.A. (firestormer)	2
96	Frantskevich A.Yu. (Megoosa)	2
97	Zheludkov S. (zhsvyach)	2
98	Kolesnikova (Monika26)	2
99	Gilyazov V.M. (gvmeow)	2
100	Izotova (ksu11111111112)	2
101	Lundukova D.N. (Javohira)	2
102	Khanykova A.O. (nastya356532)	2
103	Shibaev (saah)	1
104	keieiuty (keieiuty)	1
105	Vasiljev D.-. (ToFu)	1
106	Ushakov D. (Gromozeka)	1					ban	ban
107	Vinogradova S.M. (Tigra1)	1
108	Smirnitskiy (alexsmr)	1
109	Sergeev V. (32b)	1
110	Malykhin M. (MasterOfMind)	1					ban	ban
111	Tivkov V.S. (_vasil)	1
112	Evseev D. (xOnelinx)	1
113	Zhigarev M. (Smile13)	1
114	Buta S.N. (SergeyButa)	1
115	Revin A.V. (Randry)	1
116	Piranevskiy A.A. (Piranevskiy)	1
117	Filatov D.D. (Anticoder)	1
118	Dzarasov D. (dzarah88)	1
119	Ti (Ost2020)	1
120	Sopot N. (pnadzeya)	1
121	Taras D.S. (Parit)	1
122	Nikolov (petarnikolov)	1
123	Kharchenko V.V. (vladosio)	1
124	Kotik M. (Lapa123)	1
125	qwe R.Y. (TheWrongOne992)	1					ban	ban
126		1
127	Yefanova M.Y. (mari_5)	1
128	Salikov I.S. (neols2006000)	1
129	Sharapatov N.S. (qum11ch)	1
130	Rumyantseva L. (ahren_enigme)	1
131	Terekhov I.E. (foxboy)	1
132	Nuradinov U. (urasan)	1
133	Berezin (frankmiller)	1
134	Bojko S.K. (boikosk)	1
135	Ivanov (fizzik)	1
136	Rodin (Hi_Mark)	1					ban	ban
137	Sarkis'yan G. (gennadi_s)	1
138	Selezneva (al1aska)	1
139	Bykov (sky-shore)	1
140	Tereschenko (mtifas)	1
141	Zasorina A.B. (Zasorina221115)	1
142	NIkolay (Nikilay)	1
143	petrov (petrov991)	1
144	Nasyrova (Alewa86)	1
145	Ivanov F.K. (fedor2004)	1					ban	ban
146	Konogorskij L.E. (konogorsky Leo)	1
147	Musin A.R. (Azat3007)	1
148	Kokoulina E.A. (janekoko)	1					ban	ban
149	Mozgovoj R.A. (Roman17)	1					ban	ban
150	Khokhlov (TermiDD81)	1
151	Korolyov V.V. (CHOTKIY)	1
152	Samotokhina E.S. (JaneGame)	1
153	R. (Wra1th)	1
154	Simonova M.A. (mean_mistreater)	1
155	Terskaya M.G. (Marina Terskaya)	1					ban	ban
156	Mironova (YuliMir)	1
157	Skibin V.V. (SQL_vvs)	1
158	Lysykh V.K. (Usilitel')	1
159	Kislyakov D.V. (EggDestroyer)	1
160	Zhiryakov V.V. (vladvladzero)	1
161	Laptev M.S. (Mahmed_tea)	1					ban	ban
162	Akameeva S.V. (SVA1)	1
163	Raskatov (Alure)	1
164	Velichenkov D.A. (Galotane)	1					ban	ban
165	Abramov V. (Ichigo Kurosaki)	1
166	Igor F. (Vudmam)	1
167	Markevich (pol^2y)	1
168	Sukhorukov M. (miqha)	1
169	Karpov E.S. (karpoves)	1					ban	ban
170	Aleksandrov D.M. (jonkf)	1
171	Khaziev (jiesoryb)	1					ban	ban
172	Bogatyrev N.V. (BNV2873)	1					ban	ban
173	Romanov E. (oxotaenjoyer228)	1
174	Pautov D.Yu. (oracle boy)	1
175	Kyroto1 A. (Kyroto)	1
176	Ischenko K.Yu. (Kpuh)	1
177	Pushkarev S. (PSV_n)	1
178	dYaTLOV G.D. (GoshaBillis56)	1
179	Kupriyanova P.A. (@poluchku)	1
180	Kazantsev V.D. (kentiko_0)	1					ban	ban
181	Kuzin D.S. (deffer777)	1
182	Chudikov A. (a.chudikov)	1
183	Burtonov A.V. (tak to)	1					ban	ban
184	Efremkin (Innokentij 25-j)	1
185	edmond2 (edmond2)	1
186	Bratsykhina T.A. (tatavia25)	1
187	Permyakova (dariamjstc888)	1
188	Bannov A. (LEKSbI)	1
189	Chvanova E.S. (Brennivin)	1
190	Kropachev E.E. (JackZzzon)	1
191	Nesterov D.A. (saha909)	1
192	Terekhov A. (terekhovart)	1
193	Laktionova N.V. (laktionovan)	1
194	Raviks V. (VladisRav)	1
195	Fedorov (F0ll)	1
196	Shtol'ts (Shtolts)	1
197	Stumpf (artemstorm1)	1					ban	ban
198	Umpi A. (zmumpi)	1
199	Kryuchkov A.V. (Snape99)	1
200	Popkova N.A. (adoctor)	1
201	Lopata (Mr.Simon)	1
202	Petrov E.A. (pekum)	1
203	Shapovalov A.S. (shapka_011)	1
204	Azachemwam (Stas2)	1
205	Merkulov (SAM_1991)	1
206	Paraschiv C. (Kazimiruuu)	1
207	Malykhin (Lex1488)	1
208	Yurov N. (bennja2008)	1
209	Zajtsev V. (ZaJaK)	1
210	Sharipova (RimRim93)	1
211	Repin I.A. (tirelessR)	1
212	Makarenko S. (Luck_Llipa)	1
213	sukumar (gans2190)	1
214	Mironov (xLimex)	1
215	Yakor' E. (Zheka_Yakor)	1
216	Sevost'yanova (iahtareeva_45678)	1
217	Pilinoga (mraxba)	1
218	Shcheredin R. (Shereman)	1
219	Unregistered	38

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