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October 03, 20:33 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)	2	2	29		3
2	Shibaev (saah)	1	1	99		3
3	Vinogradova S.M. (Tigra1)	2	1	139		2
4	SHAIKH R.H. (reenadshaikh)	2			1	1	1	1
5	Makerov V.S. (VERAL0M)	1					15	29
6	Cheban D.A. (kira_52947)	1					15	27
7	Mutsalova I.Ya. (imanjii_ro)	1					15	27
8	Fomin R.I. (Romashka2006)	1					15	26
9	Plieva A.T. (amelia_pl)	1					15	26
10	Aminov Ya.E. (mayd1)	1					15	26
11	Gorbatkin D.A. (Densi23081999)	1					ban	ban
12	Sin'kovets V. (wiksme)	1					15	25
13	Valiullina K.E. (Karina289)	2					15	24
14	Ivanov D.A. (7463824)	1					ban	ban
15	Solodilova I. (ouufd)	2					15	23
16	Ivan Ch.G. (56385)	1					15	23
17	sar S.S. (dimashsaa)	1					15	22
18	Bryndin P.V. (kolazolfen)	1					10	22
19	Akhmadov M.A. (AkhmadovM)	2					15	21
20	Samojlenko S.V. (Sergij75)	2					10	20
21	Pridannikov (Prprka)	1					15	19
22	Matveeva V.S. (AKIVA95)	1					11	19
23	Lee I.T. (Warliege)	5					15	18
24	Koroleva (laba5)	2					15	18
25	Gorbatkin D.A. (Densi230808)	1					15	18
26	Karionov D.V. (Dmiitry K)	1					11	18
27	Abramova V.A. (wywern)	4					11	17
28	Borisova (JUBO24)	1					10	16
29	Smirnova (bum4ever)	2					9	16
30	Geogii (i_mir_2)	1					ban	ban
31	Putin G. (I_mir_3)	1					ban	ban
32	Roger G.P. (Rodarik)	1					10	14
33	Nasikhov T.R. (neefe4ka)	1					8	13
34	Sapozhnikov D.Yu. (FoodLover)	1					8	11
35	Grebnev D.D. (Oilo123)	1					6	11
36	Gataullin A.Sh. (Ballist)	1					ban	ban
37	Lobanov L.L. (MbaPENNIS)	1					7	9
38	Noname N.N. (Fogi4)	1					7	9
39	Stepanova (a lifelong learner)	2					6	9
40	Seredin V.S. (JoDaH_JoEsTaR)	1					5	9
41	K (sakudayo)	1					5	9
42	Chertoryzhskij V. (vepb)	3					7	8
43	Roflan (tk31)	1					6	8
44	Vasil'ev V. (Valeriy123)	3					5	8
45	Goryachev S. (SergGoryachev)	2					5	8
46	Ushkova A.V. (Gesha03)	1					5	8
47	Thomas W.R. (pomoyka1337)	1					6	7
48	q (sreyka)	1					6	7
49	Gudkov (undinakamec)	1					6	7
50	q (zxchaosqqe)	2					4	7
51	Ovechkina V.V. (kynika)	1					5	6
52	Ushakov A.Y. (ushakov94)	3					ban	ban
53	Sedov (ha0ha)	1					4	6
54	Isakov I.A. (isakoviasql)	1					3	6
55	Molodkin D.V. (DxnB)	1					3	6
56	Ivanova P.A. (polinka_lvnvln)	1					2	6
57	Kulbaeva D.D. (dilnozakulbaeva82@gmail.c)	2					5	5
58	Lobanov D.R. (Ronaldoooo)	2					5	5
59	Msvmbr (avrakedavr)	1					5	5
60	Bojko (lexus2402)	1					5	5
61	Kruchinina D. (wizoomm1)	1					3	5
62	Bob (foxtailer)	1					3	5
63	Pereskokova K.A. (karushhh)	1					4	4
64	Zakharov V.N. (l1nt)	1					4	4
65	Aks X.A. (aksioma45)	1					4	4
66	Borisova V.G. (viola??)	1					3	4
67	Shagalov O.L. (TTC)	2					2	4
68	Malyutina E.S. (MLTNKA)	2					2	4
69	Zhur V. (mrvaroz)	1					2	4
70	Rybin D.Yu. (Bill44)	1					2	4
71	Verbitskij S.A. (frozzi))	1					2	4
72	Nasyrova (Alewa86)	2					3	3
73	Khafizov L.Z. (Lenarkhaf)	2					3	3
74	Asfur I. (BarbiePink)	1					3	3
75	Sakharov (lDarkyl)	1					3	3
76	xaytboyev S.S. (xss)	1					3	3
77	Mal'tsev V.A. (Viktorus2018)	2					2	3
78	Garanin S.V. (se_garanin)	1					2	3
79	Razova D.V. (s7ipper)	1					2	3
80	Sarkis'yan G. (gennadi_s)	3					1	3
81	Radchenko R.K. (qweqfafsf)	3					2	2
82	qwxcas (qwxcas1)	1					2	2
83	Stepnov I.D. (mamolub34567)	1					2	2
84	Nikolaev A.N. (AlexeyHeizenberg)	2					ban	ban
85	Beketov (dimabima)	2					1	2
86	Oreshkov R. (ghost0211)	2					1	2
87	Teterin R.V. (virast)	2					1	2
88	Bokova (Evrazh)	1					1	2
89	Namazov M.A. (AsLimbo)	1					1	2
90	Rebovskij (x-lerasim13)	1					1	2
91	Yussupov S. (orrr)	1					1	2
92	Kuznetsov (ZXCdemon1)	1					1	2
93	Nesterov (Cocsoman)	1					1	2
94	Chinareva O.Yu. (PopyMur)	1					1	2
95	Evdokimov A.A. (Dark_Tanyan)	1					1	2
96	Filatov D.D. (Anticoder)	2					1	1
97	Tkacheva (polin12)	2					ban	ban
98	Nagornaya (kuku_1989)	2					1	1
99	Omirbaeva G.B. (Silphy)	2					1	1
100	Miron U.O. (Ovonel)	1					1	1
101	Pugovkina A. (rsunrrr)	1					1	1
102	Leonv V. (legenda1437)	1					1	1
103	Kydyrov S. (SultanBeybars)	1					1	1
104	Studenikin N.I. (Stdnkn)	1					1	1
105	ne B.P. (Shuqizy)	1					1	1
106	ponomarenko L.E. (wjqqqp)	1					1	1
107	ivanov I.P. (mcpotap)	1					1	1
108	Ivanova D.A. (Ivanchai_)	1					1	1
109	Satimbayev L.A. (lochinbek)	1					1	1
110	Smolin A.K. (pwned_1)	1					1	1
111	Logvinenko M. (makslogv)	1					1	1
112	Ibo K. (Kemchik)	4
113	Krasovskij E.A. (pegoopik)	3
114	Smirnov A.E. (p4tk)	3
115	Xudayberganova N.X. (sqluz2026)	3
116	P (leopoldos777)	2
117	Potikhenskij Ya.K. (Potixenskij Yan)	2
118	Pavel P.P. (familka)	2
119	Abramov V. (Ichigo Kurosaki)	2
120	Filatova E.M. (Elizaveta Filatova)	2
121	Artemev L. (Leonid S.)	2
122	Bulavinov D.S. (Avipshy)	2
123	Fedchenko A.D. (EtoAleksandr)	2
124	Glotov E.I. (Ellis_Rockwell)	2
125	Yakovleva D.M. (DashaYakovleva)	2
126	Orlovtseva D.I. (doraeagle)	2
127	Shevnin D.D. (danilsh)	2
128	Sotnikov (Nikita Sotnikov)	2
129	yakovleva (nadusha123)	2
130	Polyakov A. (@\|_EX)	1
131	Sigankov V.I. (vasilyvanc)	1
132	Bochkaev P.G. (Hardix)	1
133	asfsf S. (alesha1232)	1
134	Ushakov S. (MoyPsevdonim)	1
135	Fun S. (Sarah Fun)	1
136	Kiseleva M. (M.Kiseleva)	1					ban	ban
137	chornyak (m.d.chornyak)	1
138	Grejnut (Regexer)	1
139	Cherentsova M.M. (margo0821)	1
140	Ramazonov A.B. (megarouge)	1
141	Ibragimova S. (SFIA)	1
142	Smirnov A.S. (parazorro)	1
143	Efromeeva (Aleksandra_E)	1
144	Kravtsov (Kravts.x)	1
145	Murych (Soff2222)	1
146	p (munique)	1
147	Anokhina E. (mylizabeth)	1
148	Amanzholov (ad01)	1
149	P I.*. (IrinaPetr)	1
150	Konon (Kenen)	1
151	R. (Wra1th)	1
152	Kurbatova N.G. (dealer_1703)	1
153	Lysykh V.K. (Usilitel')	1
154	Sannikov V. (viachsan)	1
155	Khismatullin D. (dim.xismatullin)	1
156	KHU (kittysss)	1
157	Krasnov A.A. (Nutr1k)	1					ban	ban
158	11 1.1. (ReasonFor)	1
159	Borovkov A.K. (borovkov)	1
160	Kulikov A.Yu. (Ondrata)	1
161	Ivanov (valerza)	1
162	Bochkova (PunDora)	1
163	Kairatov Y. (yernaty)	1
164	Kazantsev V.D. (kentiko_0)	1					ban	ban
165	Bogdanovskij I.A. (Ilya122121)	1
166	Kovtun A.Yu. (sillygoosegagaga)	1
167	Ajrikh N.A. (Ajrikh N.A.)	1
168	Oliver (klavamish)	1
169	Andreev K.A. (sun1zu)	1
170	m O.D. (blablablaaaaidinf)	1
171	mustafina (Mustafina)	1
172	Selivanov E.V. (mrsmitt4)	1
173	Mikhajlov (DohnJo)	1
174	Sayfiddinov F. (Sayfiddinov Firdavs)	1
175	Alafaev M.K. (Zero_7692)	1					ban	ban
176	Faskhutdinov A.A. (sfiler)	1
177	Aziz (Shukrullo-hettiera)	1
178	Belkov D.A. (belkov_da)	1					ban	ban
179	Abdukholiqov H. (abdukholiqov)	1
180	Iutinskij D.E. (dimaiuuu)	1
181	Trubitsin T.A. (SoTeNo4eK)	1
182	Geogii G. (I_mir)	1					ban	ban
183	Baranov N.A. (nikbarbdkgu)	1
184	Nefedov P.A. (Pavel173)	1
185	Kolbaev (Veaablok)	1
186	N A. (alemona)	1
187	brusliev A.K. (medved:L)	1
188	Andreeva P.A. (Polina Andreeva)	1
189	Lobanova K.V. (KristinaL)	1
190	Ryabova E.I. (Evg_000)	1
191	Kiseleva E.A. (Elizaveta Kiseleva)	1
192	Orazniyazova G.O. (Banu)	1
193	Alekseev D.S. (snwr)	1
194	Reymova F.F. (Fatima007)	1
195	Surayyo S.M. (Surayyo00)	1
196	Lazarenko E.V. (Elizabeth13119)	1
197	pop (lana8678585)	1
198	Unregistered	37

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