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October 24, 18:26 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	Zhukovskij R.R. (SzhukkZ)	1			9	9	10	17
2	Sh S. (junopark1)	3			6	9
3	Metreveli G. (gio777)	1			3	3
4	Mahmoud (developer1086)	1	1	-2		2
5	Chirikova N.V. (NataliCh)	2			2	2	10	17
6	Suntsov K.O. (KirillSuntsov11)	2					22	30
7	Voronina (dash_vrnn)	1					ban	ban
8	Klimontova M.A. (white1804)	1					15	27
9	Klokov V.A. (vlcl3)	1					ban	ban
10	Belkov D.A. (belkov_da)	1					ban	ban
11	Kochergin S.A. (stanislav007)	3					15	23
12	Myuller P.D. (growlerrr)	1					15	23
13	Chebaev D.O. (firgost)	2					15	22
14	Fajzulina S.Sh. (snejanna)	2					14	22
15	ismagilova (zuhrafirst)	1					15	21
16	Sarkeev A.S. (kj[)	1					15	20
17	Bajraktar A.I. (DozenZozen)	1					12	20
18	Valiullin E.A. (DaRk12362)	1					ban	ban
19	Sajfiev A.R. (Sames)	4					15	18
20	Ivanov (bpp4340)	2					15	18
21	Kolchin M.M. (KolchinMaksim)	1					15	18
22	qwerty (lloeoww)	1					ban	ban
23	Zakirov B.G. (Bkyc)	1					ban	ban
24	Shevchenko A.A. (Andrejwild)	1					15	18
25	eeeee E.E. (Me1234%%%%%%)	1					ban	ban
26	Shebanov A. (ravennik)	1					ban	ban
27	Khan R.E. (SQL_Manace)	1					10	17
28	Klochkova D.A. (Daria_Klochkova)	2					10	15
29	Bal (CRay2)	2					9	15
30	Belkov D. (Belkov2026)	2					8	15
31	Gafarov I.I. (il'yasvvv)	2					ban	ban
32	N A. (alemona)	2					8	14
33	Gorbunova S.N. (vuiiioyyy)	1					7	14
34	Ganusevich V.M. (vita_g)	2					10	13
35	Borodulin A.N. (Remedia)	1					10	13
36	Bochkov R.A. (Paltus)	1					ban	ban
37	f F.F. (gtsrvfw)	1					9	12
38	Pavlov A.A. (Sashulia88)	2					7	11
39	eeeee E.E. (Me1234%%%%%%%)	2					ban	ban
40	Lykov (BenyDix)	3					6	10
41	Kozarchuk N. (qblablabla)	1					6	10
42	Zakirov (Bkyc?)	1					ban	ban
43	Valiullin E.A. (CArlelkewweflk1311)	1					ban	ban
44	Zakharov D. (Pumpkin123)	1					7	9
45	Petrov I. (kod_sutuloi_sobaki)	1					6	9
46	popp (chikengan01)	2					ban	ban
47	Emel'yanov (pepe13123)	2					ban	ban
48	K E. (FQ)	2					7	8
49	Voronina K. (xxcvv)	3					6	8
50	Salikhov R.A. (Ruzik707)	2					5	8
51	Karimova (K_H)	2					5	8
52	qwerty (Qcold01)	1					ban	ban
53	Beka1 B.B. (Beka666)	2					6	7
54	hronrad (hronrad)	2					6	7
55	Sazhin V. (darthyk)	1					6	7
56	Zhukov (Zhoridan)	1					6	7
57	Ivan I.I. (Kira777777777777777777777)	1					ban	ban
58	Dmitrenko A.A. (admi1986)	1					6	7
59	Serkov (TFD_131)	1					6	7
60	Emel'yanov (Q-COld22867)	1					ban	ban
61	sam S.S. (sammm)	4					4	7
62	sangre P. (sangre)	3					4	7
63	s P.V. (Pullecino)	3					4	7
64	Govnyushkin V.V. (hustle_tales)	1					5	6
65	Bezenov D.A. (posejdon)	1					5	6
66	Kalya M.Sh. (FJIwifj1311)	1					ban	ban
67	Chan Kh.N. (ChanNgok)	1					4	6
68	Denisova A.A. (IrisSska_6)	1					4	6
69	Khoroshavin A. (fr0stlex)	1					4	6
70	Old 1.K. (Old_Killer)	1					3	6
71	Revin L. (Dog_WaterSQL)	3					5	5
72	Panifatov (LuterPV92)	2					5	5
73	Fedoseev (qwe qwe qwa)	2					5	5
74	dsgsg S.S. (figer)	1					ban	ban
75	Doroshenko S.A. (OrYSlliu)	1					4	5
76	Noskova (chulki)	2					3	5
77	Seredin V.S. (JoDaH_JoEsTaR)	1					3	5
78	Semenov V.N. (FullJoin77)	1					3	5
79	Shure V. (VladimirShure)	1					2	5
80	Sedova (pichfae)	1					4	4
81	Mashutin (Andruhanez)	1					4	4
82	Eremenko S.V. (DarkLead9087)	5					3	4
83	qq Q.Q. (stormxgod)	4					2	4
84	Yashina A. (k4litushka)	2					2	4
85	Udartsev D.S. (pena228)	1					2	4
86	Karimov K.V. (bemused)	1					2	4
87	Trofimov D.V. (bongO1896)	2					3	3
88	Yussupov S. (orrr)	1					3	3
89	Starostina D.V. (Dar'ya Starostina)	1					3	3
90	Khuzagaripova (bdlaba)	3					2	3
91	Filatov D.D. (Anticoder)	2					2	3
92	Evdokimov A.A. (Dark_Tanyan)	2					2	3
93	Tikhomirova Yu. (YUz_)	1					2	3
94	Belyaev I.A. (Igorman231)	1					2	3
95	Prishivalko (Korifa)	2					1	3
96	akhssassi A. (Akhssassi)	2					2	2
97	Alekseev N.D. (NikitaAlexeevD)	1					2	2
98	Nacharov A.Yu. (alexNachos)	1					2	2
99	Oganesyan K. (kakao21)	1					2	2
100	Larsanova D. (ddialars)	1					2	2
101	gants S.B. (sakyts)	1					2	2
102	pro (propvava)	1					ban	ban
103	Peshekhonova Yu. (Hartwidder)	4					1	2
104	7shkin S.V. (Slavnik)	3					1	2
105	Artemev L. (Leonid S.)	2					1	2
106	Mishenev M.M. (Mishenev Mikhail)	2					1	2
107	r A. (arb_)	2					1	2
108	Krivets M.S. (Maria Krivets)	2					1	2
109	Noskova D.I. (daho_n)	1					1	2
110	Zov (Dildobek1488)	1					1	2
111	interesniy C. (a_kkxr)	1					1	2
112	Iutinskij D.E. (dimaiuuu)	1					1	2
113	Tihomirov N.V. (Tetr654)	1					1	2
114	Alekseev D.S. (snwr)	1					1	2
115	Romanova A.D. (chipsik)	1					1	2
116	Belyaev (belyaev2022)	1					1	2
117	Khisamov E. (qwerty.py)	1					1	2
118	Zimin A.M. (AMZimin777)	1					1	2
119	Veremeev G.V. (Gleb2v)	4					1	1
120	Egorov N. (Negorov)	3					1	1
121	Dubrovskij (Novian)	2					1	1
122	Cherednichenko A. (alexei_86)	2					ban	ban
123	Bob (foxtailer)	2					1	1
124	Zinchenko (Ivaning)	2					1	1
125	Kononyuk Ya.A. (Gena16)	2					ban	ban
126	Grigor'ev M.I. (gdetotam)	1					1	1
127	Strakhova V.E. (VLDST)	1					1	1
128	Abalakov R.D. (ANalitiks)	1					1	1
129	Sergei N. (SV123)	1					1	1
130	Velich E.A. (Ainakakal)	1					1	1
131	Lapin (MyNameIsAndy)	1					1	1
132	Maklakova T.S. (Ms.Aelita)	1					1	1
133	Pavlyuk (NatashkaYa)	1					1	1
134	Sarkis'yan G. (gennadi_s)	5
135	Yakupov (OY_77)	4
136	Vasil'ev V. (Valeriy123)	4					ban	ban
137	Krasovskij E.A. (pegoopik)	3
138	Markin N. (Qmaro)	3					ban	ban
139	Yolokhov (fazzone)	3					ban	ban
140	Gabdrakhmanova (AG_BD)	3
141	Minashkin A. (Wallrider)	2
142	Koptel'tsev V. (selber)	2
143	Ushakov A.Y. (ushakov94)	2					ban	ban
144	Shkabura O. (olga1305)	2
145	Viktorov (greymangrey)	2
146	Sulejmanov (Arkadoce)	2
147	Davydova M. (Mariya1723)	2
148	Trubitsin T.A. (SoTeNo4eK)	2					ban	ban
149	Demessin Y. (Absolute_Batman_12343)	2
150	Smelyj I.N. (dvyrke)	2					ban	ban
151	Shulepov N.A. (MortyClouD)	2
152	Petrashevich E. (alexi600)	2
153	Umur (leva_mgn)	2
154	Korpusova N. (ninsa)	2
155	Luk'yanov S.R. (obsy)	2
156	Varenikov D.M. (Dmitriy Varenikov)	1
157	Sal'nikov Yu.A. (Yriy S)	1
158	Etuvye M.A. (emax)	1
159	Vinogradova S.M. (Tigra1)	1
160	Stul'nev R.O. (kalter1213)	1
161	Babaev U. (Usmen)	1
162	Yan .... (Alexander111)	1					ban	ban
163	Denisov I.A. (i.denisov22)	1
164	Glukhova Yu.V. (Narasslabone)	1
165	Pankratev (CYROH)	1
166	Filin A. (eag1e-0w1)	1
167	Gusev A.O. (NowOrNever)	1
168	Valiev I.A. (ilfik)	1
169	Rodin (uoloki)	1
170	Orlov (minory1)	1
171	Zakirov D.F. (Atlasss14)	1
172	R. (Wra1th)	1
173	Egorov (max2005)	1
174	vetrova A. (sacikn)	1
175	Vdovenko (Musnochu)	1
176	Petrovich V.G. (vvavikks)	1
177	Dashkevich E.S. (Eseniya2503)	1
178	F M.A. (FMAWR)	1
179	Mityukov E.D. (hezky)	1
180	Ermakov A.S. (Mr.Ermak)	1
181	Uvaev A.A. (Pompilio)	1
182	Bat A. (alex.bat)	1
183	Serazetdinov I.R. (IldarSerazet)	1
184	Grezneva N. (celestica)	1
185	Ivanov (Goldmesa)	1
186	Bratsykhina T.A. (tatavia25)	1
187	Filippov N. (Niik0laii)	1
188	Bugdanina A.A. (molitun)	1
189	Kuznetsov V.P. (qizz220)	1
190	Dulanov A.S. (8bobrik8)	1
191	Stashevskij E.A. (Sweet Yogurt)	1
192	Vasilevskij I.V. (vanek_visvlav)	1					ban	ban
193	Andreev K.A. (sun1zu)	1
194	mustafina (Mustafina)	1					ban	ban
195	Dugin D.R. (DYGIDAI)	1					ban	ban
196	Fedosova T. (fed0s06)	1
197	Burov K.M. (gopher_)	1
198	Khuzagaripova (EKh_BD)	1
199	Tatarinova A.D. (obezyana)	1
200	Smirnov A.E. (p4tk)	1
201	Razova D.V. (s7ipper)	1
202	Shishova D.D. (doshiko)	1
203	Lepilov (Sahalyar)	1
204	Skryabin D.A. (kotsuro)	1
205	Volkov I.D. (thewaydeath)	1
206	Nigmatzyanov (WesseeGang)	1
207	Makushin A.V. (sqldemon2)	1
208	Kamolov S.A. (NOOBiik)	1
209	Efimenkova Yu.I. (julia.efa)	1
210	Kazantsev I.N. (Ivankazantcev it-4)	1
211	Rud' V.V. (drmbsv)	1
212	Aksanich A.N. (Anny2026@)	1
213	Bahasloski (FelixBGS)	1
214	Maslennikova V.O. (valya.maslennikova)	1
215	Kuka (KUKAmemas)	1
216	Volo (v1rtuoz)	1
217	Sultanova D. (DashOk_84)	1
218	hrapovich (weqha)	1
219	givenchy (dfas)	1
220	Bel E.R. (kidii)	1
221	Mikhajlov G. (chipuchka)	1
222	Pankova E. (p.e.n.ka)	1
223	Tk T. (TImuchen)	1
224	Tsyplakov S.R. (RufTECH)	1
225	Nafikov A. (Amir1408)	1
226	Emel'yanov (bppppp4340)	1					ban	ban
227	jsjdsjdjs S.A. (ffdfsfsf22223)	1					ban	ban
228	Chernov A.V. (charlie172)	1
229	Troitskii V. (PoniFromKcity)	1
230	Alabsi A. (Arwa Ahmed Alabsi)	1
231	Chicharin D.A. (0_Denis Chicharin_0)	1
232	Kononyuk Ya.A. (Gena14)	1					ban	ban
233	Okhotskij A.D. (GentlyMe)	1
234	Gikal J. (zhorikante)	1
235	D O. (OlgaOlga2026)	1
236	abd (hodjik7)	1
237	Kolesnikov T. (jsypackman)	1
238	Serebryakov A. (Aleksei Serebriakov)	1
239	Pelk (Dasda2wqesaddx)	1
240	Taubin V.A. (cdkiller75)	1
241	Ustinov (rdi2002)	1
242	F B. (BoRis161)	1
243	Kharin V. (Vladi_091)	1
244	Shajkhin D.A. (fwqfw313)	1					ban	ban
245	Azbanbaev E. (eazbanbayev)	1
246	Podmoskovnykh A.A. (Anya555)	1
247	Unregistered	48

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