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October 24, 15:30 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	Sh S. (junopark1)	3			6	9
2	Mahmoud (developer1086)	1	1	-2		2
3	Voronina (dash_vrnn)	1					ban	ban
4	Klimontova M.A. (white1804)	1					15	27
5	Klokov V.A. (vlcl3)	1					ban	ban
6	ismagilova (zuhrafirst)	1					15	21
7	Sarkeev A.S. (kj[)	1					15	20
8	Chebaev D.O. (firgost)	2					14	20
9	Bajraktar A.I. (DozenZozen)	1					12	20
10	Valiullin E.A. (DaRk12362)	1					15	19
11	Sajfiev A.R. (Sames)	4					15	18
12	Ivanov (bpp4340)	2					15	18
13	Kolchin M.M. (KolchinMaksim)	1					15	18
14	qwerty (lloeoww)	1					ban	ban
15	Zakirov B.G. (Bkyc)	1					ban	ban
16	Klochkova D.A. (Daria_Klochkova)	2					10	15
17	Bal (CRay2)	2					9	15
18	Khan R.E. (SQL_Manace)	1					9	15
19	Gafarov I.I. (il'yasvvv)	2					ban	ban
20	N A. (alemona)	2					8	14
21	Gorbunova S.N. (vuiiioyyy)	1					7	14
22	Bochkov R.A. (Paltus)	1					ban	ban
23	Lykov (BenyDix)	3					6	10
24	Chirikova N.V. (NataliCh)	2					6	10
25	Zakirov (Bkyc?)	1					ban	ban
26	Valiullin E.A. (CArlelkewweflk1311)	1					6	10
27	Petrov I. (kod_sutuloi_sobaki)	1					6	9
28	popp (chikengan01)	2					ban	ban
29	Emel'yanov (pepe13123)	2					ban	ban
30	K E. (FQ)	2					7	8
31	Karimova (K_H)	2					5	8
32	qwerty (Qcold01)	1					ban	ban
33	Belkov D. (Belkov2026)	1					4	8
34	Beka1 B.B. (Beka666)	2					6	7
35	Zhukov (Zhoridan)	1					6	7
36	Ivan I.I. (Kira777777777777777777777)	1					ban	ban
37	Emel'yanov (Q-COld22867)	1					ban	ban
38	Voronina K. (xxcvv)	3					5	6
39	Govnyushkin V.V. (hustle_tales)	1					5	6
40	Bezenov D.A. (posejdon)	1					5	6
41	Fajzulina S.Sh. (snejanna)	2					4	6
42	Denisova A.A. (IrisSska_6)	1					4	6
43	Khoroshavin A. (fr0stlex)	1					4	6
44	sangre P. (sangre)	1					3	6
45	Old 1.K. (Old_Killer)	1					3	6
46	Revin L. (Dog_WaterSQL)	3					5	5
47	Panifatov (LuterPV92)	2					5	5
48	Fedoseev (qwe qwe qwa)	2					5	5
49	dsgsg S.S. (figer)	1					5	5
50	s P.V. (Pullecino)	2					3	5
51	Noskova (chulki)	2					3	5
52	Seredin V.S. (JoDaH_JoEsTaR)	1					3	5
53	Semenov V.N. (FullJoin77)	1					3	5
54	Shure V. (VladimirShure)	1					2	5
55	Sedova (pichfae)	1					4	4
56	Eremenko S.V. (DarkLead9087)	5					3	4
57	qq Q.Q. (stormxgod)	4					2	4
58	Udartsev D.S. (pena228)	1					2	4
59	Karimov K.V. (bemused)	1					2	4
60	Pavlov A.A. (Sashulia88)	1					2	4
61	Trofimov D.V. (bongO1896)	2					3	3
62	Starostina D.V. (Dar'ya Starostina)	1					3	3
63	Khuzagaripova (bdlaba)	3					2	3
64	Belyaev I.A. (Igorman231)	1					2	3
65	sam S.S. (sammm)	1					2	3
66	akhssassi A. (Akhssassi)	2					2	2
67	Shebanov A. (ravennik)	1					ban	ban
68	Alekseev N.D. (NikitaAlexeevD)	1					2	2
69	Nacharov A.Yu. (alexNachos)	1					2	2
70	Oganesyan K. (kakao21)	1					2	2
71	Larsanova D. (ddialars)	1					2	2
72	gants S.B. (sakyts)	1					2	2
73	pro (propvava)	1					2	2
74	7shkin S.V. (Slavnik)	2					1	2
75	Mishenev M.M. (Mishenev Mikhail)	2					1	2
76	r A. (arb_)	2					1	2
77	Peshekhonova Yu. (Hartwidder)	2					1	2
78	Krivets M.S. (Maria Krivets)	2					1	2
79	Zov (Dildobek1488)	1					1	2
80	interesniy C. (a_kkxr)	1					1	2
81	Iutinskij D.E. (dimaiuuu)	1					1	2
82	Tihomirov N.V. (Tetr654)	1					1	2
83	Alekseev D.S. (snwr)	1					1	2
84	Romanova A.D. (chipsik)	1					1	2
85	Belyaev (belyaev2022)	1					1	2
86	Khisamov E. (qwerty.py)	1					1	2
87	Zimin A.M. (AMZimin777)	1					1	2
88	Dubrovskij (Novian)	2					1	1
89	Cherednichenko A. (alexei_86)	2					ban	ban
90	Zinchenko (Ivaning)	2					1	1
91	Egorov N. (Negorov)	2					1	1
92	Kononyuk Ya.A. (Gena16)	2					ban	ban
93	Grigor'ev M.I. (gdetotam)	1					1	1
94	Veremeev G.V. (Gleb2v)	1					1	1
95	Doroshenko S.A. (OrYSlliu)	1					1	1
96	Bob (foxtailer)	1					1	1
97	Evdokimov A.A. (Dark_Tanyan)	1					1	1
98	Lapin (MyNameIsAndy)	1					1	1
99	Maklakova T.S. (Ms.Aelita)	1					1	1
100	Pavlyuk (NatashkaYa)	1					1	1
101	Mashutin (Andruhanez)	1					1	1
102	Gabdrakhmanova (AG_BD)	3
103	Krasovskij E.A. (pegoopik)	2
104	Minashkin A. (Wallrider)	2
105	Yakupov (OY_77)	2
106	Markin N. (Qmaro)	2					ban	ban
107	Shkabura O. (olga1305)	2
108	Sarkis'yan G. (gennadi_s)	2
109	Sulejmanov (Arkadoce)	2
110	Davydova M. (Mariya1723)	2
111	Yolokhov (fazzone)	2					ban	ban
112	Vasil'ev V. (Valeriy123)	2					ban	ban
113	Trubitsin T.A. (SoTeNo4eK)	2					ban	ban
114	Kochergin S.A. (stanislav007)	2
115	Demessin Y. (Absolute_Batman_12343)	2
116	Smelyj I.N. (dvyrke)	2					ban	ban
117	Shulepov N.A. (MortyClouD)	2
118	Umur (leva_mgn)	2
119	Varenikov D.M. (Dmitriy Varenikov)	1
120	Sal'nikov Yu.A. (Yriy S)	1
121	Etuvye M.A. (emax)	1
122	Koptel'tsev V. (selber)	1
123	Vinogradova S.M. (Tigra1)	1
124	Stul'nev R.O. (kalter1213)	1
125	Prishivalko (Korifa)	1
126	Ushakov A.Y. (ushakov94)	1					ban	ban
127	Filatov D.D. (Anticoder)	1
128	Babaev U. (Usmen)	1
129	Yan .... (Alexander111)	1					ban	ban
130	Glukhova Yu.V. (Narasslabone)	1
131	Filin A. (eag1e-0w1)	1
132	Gusev A.O. (NowOrNever)	1
133	Valiev I.A. (ilfik)	1
134	Rodin (uoloki)	1
135	Zakirov D.F. (Atlasss14)	1
136	R. (Wra1th)	1
137	Egorov (max2005)	1
138	vetrova A. (sacikn)	1
139	Viktorov (greymangrey)	1
140	Ermakov A.S. (Mr.Ermak)	1
141	Bat A. (alex.bat)	1
142	Ivanov (Goldmesa)	1
143	Bratsykhina T.A. (tatavia25)	1
144	Filippov N. (Niik0laii)	1
145	Salikhov R.A. (Ruzik707)	1
146	Kuznetsov V.P. (qizz220)	1
147	Artemev L. (Leonid S.)	1
148	Vasilevskij I.V. (vanek_visvlav)	1					ban	ban
149	mustafina (Mustafina)	1					ban	ban
150	Dugin D.R. (DYGIDAI)	1					ban	ban
151	Suntsov K.O. (KirillSuntsov11)	1
152	Burov K.M. (gopher_)	1
153	Khuzagaripova (EKh_BD)	1
154	Tatarinova A.D. (obezyana)	1
155	Smirnov A.E. (p4tk)	1
156	Razova D.V. (s7ipper)	1
157	Lepilov (Sahalyar)	1
158	Skryabin D.A. (kotsuro)	1
159	Makushin A.V. (sqldemon2)	1
160	Efimenkova Yu.I. (julia.efa)	1
161	Kazantsev I.N. (Ivankazantcev it-4)	1
162	Rud' V.V. (drmbsv)	1
163	Bahasloski (FelixBGS)	1
164	Maslennikova V.O. (valya.maslennikova)	1
165	Sultanova D. (DashOk_84)	1
166	hrapovich (weqha)	1
167	givenchy (dfas)	1
168	Pankova E. (p.e.n.ka)	1
169	Tk T. (TImuchen)	1
170	Tsyplakov S.R. (RufTECH)	1
171	Nafikov A. (Amir1408)	1
172	Petrashevich E. (alexi600)	1
173	Emel'yanov (bppppp4340)	1					ban	ban
174	jsjdsjdjs S.A. (ffdfsfsf22223)	1					ban	ban
175	Chernov A.V. (charlie172)	1
176	Troitskii V. (PoniFromKcity)	1
177	Alabsi A. (Arwa Ahmed Alabsi)	1
178	Chicharin D.A. (0_Denis Chicharin_0)	1
179	Kononyuk Ya.A. (Gena14)	1					ban	ban
180	Okhotskij A.D. (GentlyMe)	1
181	Gikal J. (zhorikante)	1
182	D O. (OlgaOlga2026)	1
183	abd (hodjik7)	1
184	Kolesnikov T. (jsypackman)	1
185	Serebryakov A. (Aleksei Serebriakov)	1
186	Pelk (Dasda2wqesaddx)	1
187	Taubin V.A. (cdkiller75)	1
188	Ustinov (rdi2002)	1
189	F B. (BoRis161)	1
190	Kharin V. (Vladi_091)	1
191	Shajkhin D.A. (fwqfw313)	1
192	Shevchenko A.A. (Andrejwild)	1
193	Unregistered	33

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