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October 03, 20:04 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	Shibaev (saah)	1	1	99		3
2	Vinogradova S.M. (Tigra1)	2	1	139		2
3	Sh S. (junopark1)	2	1	28		1
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	Geogii (i_mir_2)	1					ban	ban
30	Putin G. (I_mir_3)	1					ban	ban
31	Roger G.P. (Rodarik)	1					10	14
32	Smirnova (bum4ever)	1					8	14
33	Nasikhov T.R. (neefe4ka)	1					8	13
34	Grebnev D.D. (Oilo123)	1					6	11
35	Gataullin A.Sh. (Ballist)	1					ban	ban
36	Lobanov L.L. (MbaPENNIS)	1					7	9
37	Noname N.N. (Fogi4)	1					7	9
38	Stepanova (a lifelong learner)	2					6	9
39	Seredin V.S. (JoDaH_JoEsTaR)	1					5	9
40	K (sakudayo)	1					5	9
41	Chertoryzhskij V. (vepb)	3					7	8
42	Roflan (tk31)	1					6	8
43	Vasil'ev V. (Valeriy123)	3					5	8
44	Goryachev S. (SergGoryachev)	2					5	8
45	Ushkova A.V. (Gesha03)	1					5	8
46	Thomas W.R. (pomoyka1337)	1					6	7
47	q (sreyka)	1					6	7
48	Gudkov (undinakamec)	1					6	7
49	q (zxchaosqqe)	2					4	7
50	Ovechkina V.V. (kynika)	1					5	6
51	Ushakov A.Y. (ushakov94)	3					ban	ban
52	Sedov (ha0ha)	1					4	6
53	Isakov I.A. (isakoviasql)	1					3	6
54	Molodkin D.V. (DxnB)	1					3	6
55	Ivanova P.A. (polinka_lvnvln)	1					2	6
56	Kulbaeva D.D. (dilnozakulbaeva82@gmail.c)	2					5	5
57	Lobanov D.R. (Ronaldoooo)	2					5	5
58	Msvmbr (avrakedavr)	1					5	5
59	Bojko (lexus2402)	1					5	5
60	Kruchinina D. (wizoomm1)	1					3	5
61	Bob (foxtailer)	1					3	5
62	Pereskokova K.A. (karushhh)	1					4	4
63	Zakharov V.N. (l1nt)	1					4	4
64	Aks X.A. (aksioma45)	1					4	4
65	Borisova V.G. (viola??)	1					3	4
66	Shagalov O.L. (TTC)	2					2	4
67	Malyutina E.S. (MLTNKA)	2					2	4
68	Zhur V. (mrvaroz)	1					2	4
69	Verbitskij S.A. (frozzi))	1					2	4
70	Nasyrova (Alewa86)	2					3	3
71	Khafizov L.Z. (Lenarkhaf)	2					3	3
72	Asfur I. (BarbiePink)	1					3	3
73	Sakharov (lDarkyl)	1					3	3
74	xaytboyev S.S. (xss)	1					3	3
75	Mal'tsev V.A. (Viktorus2018)	2					2	3
76	Garanin S.V. (se_garanin)	1					2	3
77	Razova D.V. (s7ipper)	1					2	3
78	Sarkis'yan G. (gennadi_s)	3					1	3
79	Radchenko R.K. (qweqfafsf)	2					2	2
80	qwxcas (qwxcas1)	1					2	2
81	Nikolaev A.N. (AlexeyHeizenberg)	2					ban	ban
82	Beketov (dimabima)	2					1	2
83	Oreshkov R. (ghost0211)	2					1	2
84	Teterin R.V. (virast)	2					1	2
85	Bokova (Evrazh)	1					1	2
86	Namazov M.A. (AsLimbo)	1					1	2
87	Rebovskij (x-lerasim13)	1					1	2
88	Yussupov S. (orrr)	1					1	2
89	Kuznetsov (ZXCdemon1)	1					1	2
90	Nesterov (Cocsoman)	1					1	2
91	Chinareva O.Yu. (PopyMur)	1					1	2
92	Evdokimov A.A. (Dark_Tanyan)	1					1	2
93	Filatov D.D. (Anticoder)	2					1	1
94	Tkacheva (polin12)	2					ban	ban
95	Nagornaya (kuku_1989)	2					1	1
96	Omirbaeva G.B. (Silphy)	2					1	1
97	Miron U.O. (Ovonel)	1					1	1
98	Sapozhnikov D.Yu. (FoodLover)	1					1	1
99	Pugovkina A. (rsunrrr)	1					1	1
100	Leonv V. (legenda1437)	1					1	1
101	Kydyrov S. (SultanBeybars)	1					1	1
102	Studenikin N.I. (Stdnkn)	1					1	1
103	ne B.P. (Shuqizy)	1					1	1
104	ponomarenko L.E. (wjqqqp)	1					1	1
105	ivanov I.P. (mcpotap)	1					1	1
106	Ivanova D.A. (Ivanchai_)	1					1	1
107	Satimbayev L.A. (lochinbek)	1					1	1
108	Smolin A.K. (pwned_1)	1					1	1
109	Logvinenko M. (makslogv)	1					1	1
110	Ibo K. (Kemchik)	4
111	Krasovskij E.A. (pegoopik)	3
112	Xudayberganova N.X. (sqluz2026)	3
113	P (leopoldos777)	2
114	Potikhenskij Ya.K. (Potixenskij Yan)	2
115	Pavel P.P. (familka)	2
116	Abramov V. (Ichigo Kurosaki)	2
117	Filatova E.M. (Elizaveta Filatova)	2
118	Artemev L. (Leonid S.)	2
119	Bulavinov D.S. (Avipshy)	2
120	Fedchenko A.D. (EtoAleksandr)	2
121	Glotov E.I. (Ellis_Rockwell)	2
122	Yakovleva D.M. (DashaYakovleva)	2
123	Smirnov A.E. (p4tk)	2
124	Orlovtseva D.I. (doraeagle)	2
125	Shevnin D.D. (danilsh)	2
126	Sotnikov (Nikita Sotnikov)	2
127	yakovleva (nadusha123)	2
128	Polyakov A. (@\|_EX)	1
129	Sigankov V.I. (vasilyvanc)	1
130	Bochkaev P.G. (Hardix)	1
131	asfsf S. (alesha1232)	1
132	Ushakov S. (MoyPsevdonim)	1
133	Fun S. (Sarah Fun)	1
134	Kiseleva M. (M.Kiseleva)	1					ban	ban
135	chornyak (m.d.chornyak)	1
136	Grejnut (Regexer)	1
137	Cherentsova M.M. (margo0821)	1
138	Ramazonov A.B. (megarouge)	1
139	Ibragimova S. (SFIA)	1
140	Smirnov A.S. (parazorro)	1
141	Efromeeva (Aleksandra_E)	1
142	Kravtsov (Kravts.x)	1
143	Murych (Soff2222)	1
144	p (munique)	1
145	Amanzholov (ad01)	1
146	P I.*. (IrinaPetr)	1
147	Konon (Kenen)	1
148	R. (Wra1th)	1
149	Kurbatova N.G. (dealer_1703)	1
150	Lysykh V.K. (Usilitel')	1
151	Sannikov V. (viachsan)	1
152	Khismatullin D. (dim.xismatullin)	1
153	KHU (kittysss)	1
154	Krasnov A.A. (Nutr1k)	1					ban	ban
155	11 1.1. (ReasonFor)	1
156	Borovkov A.K. (borovkov)	1
157	Kulikov A.Yu. (Ondrata)	1
158	Ivanov (valerza)	1
159	Bochkova (PunDora)	1
160	Kairatov Y. (yernaty)	1
161	Kazantsev V.D. (kentiko_0)	1					ban	ban
162	Bogdanovskij I.A. (Ilya122121)	1
163	Kovtun A.Yu. (sillygoosegagaga)	1
164	Ajrikh N.A. (Ajrikh N.A.)	1
165	Oliver (klavamish)	1
166	Andreev K.A. (sun1zu)	1
167	m O.D. (blablablaaaaidinf)	1
168	mustafina (Mustafina)	1
169	Selivanov E.V. (mrsmitt4)	1
170	Mikhajlov (DohnJo)	1
171	Sayfiddinov F. (Sayfiddinov Firdavs)	1
172	Alafaev M.K. (Zero_7692)	1					ban	ban
173	Faskhutdinov A.A. (sfiler)	1
174	Aziz (Shukrullo-hettiera)	1
175	Belkov D.A. (belkov_da)	1					ban	ban
176	Abdukholiqov H. (abdukholiqov)	1
177	Iutinskij D.E. (dimaiuuu)	1
178	Trubitsin T.A. (SoTeNo4eK)	1
179	Geogii G. (I_mir)	1					ban	ban
180	Baranov N.A. (nikbarbdkgu)	1
181	Nefedov P.A. (Pavel173)	1
182	Rybin D.Yu. (Bill44)	1
183	Kolbaev (Veaablok)	1
184	N A. (alemona)	1
185	brusliev A.K. (medved:L)	1
186	Andreeva P.A. (Polina Andreeva)	1
187	Lobanova K.V. (KristinaL)	1
188	Ryabova E.I. (Evg_000)	1
189	Kiseleva E.A. (Elizaveta Kiseleva)	1
190	Orazniyazova G.O. (Banu)	1
191	Alekseev D.S. (snwr)	1
192	Reymova F.F. (Fatima007)	1
193	Surayyo S.M. (Surayyo00)	1
194	Lazarenko E.V. (Elizabeth13119)	1
195	Stepnov I.D. (mamolub34567)	1
196	Unregistered	36

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