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October 03, 21:10 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	Radchenko R.K. (qweqfafsf)	3					8	10
37	Gataullin A.Sh. (Ballist)	1					ban	ban
38	Lobanov L.L. (MbaPENNIS)	1					7	9
39	Noname N.N. (Fogi4)	1					7	9
40	Stepanova (a lifelong learner)	2					6	9
41	Seredin V.S. (JoDaH_JoEsTaR)	1					5	9
42	K (sakudayo)	1					5	9
43	Chertoryzhskij V. (vepb)	3					7	8
44	Roflan (tk31)	1					6	8
45	Vasil'ev V. (Valeriy123)	3					5	8
46	Goryachev S. (SergGoryachev)	2					5	8
47	Ushkova A.V. (Gesha03)	1					5	8
48	Gudkov (undinakamec)	2					6	7
49	Thomas W.R. (pomoyka1337)	1					6	7
50	q (sreyka)	1					6	7
51	Stepnov I.D. (mamolub34567)	1					6	7
52	q (zxchaosqqe)	2					4	7
53	Ovechkina V.V. (kynika)	1					5	6
54	Ushakov A.Y. (ushakov94)	3					ban	ban
55	Sedov (ha0ha)	1					4	6
56	Isakov I.A. (isakoviasql)	1					3	6
57	Rybin D.Yu. (Bill44)	1					3	6
58	Molodkin D.V. (DxnB)	1					3	6
59	Ivanova P.A. (polinka_lvnvln)	1					2	6
60	Kulbaeva D.D. (dilnozakulbaeva82@gmail.c)	2					5	5
61	Lobanov D.R. (Ronaldoooo)	2					5	5
62	Msvmbr (avrakedavr)	1					5	5
63	Bojko (lexus2402)	1					5	5
64	Kruchinina D. (wizoomm1)	1					3	5
65	Bob (foxtailer)	1					3	5
66	qwxcas (qwxcas1)	2					4	4
67	Pereskokova K.A. (karushhh)	1					4	4
68	Zakharov V.N. (l1nt)	1					4	4
69	Aks X.A. (aksioma45)	1					4	4
70	Borisova V.G. (viola??)	1					3	4
71	Shagalov O.L. (TTC)	2					2	4
72	Malyutina E.S. (MLTNKA)	2					2	4
73	Zhur V. (mrvaroz)	1					2	4
74	Verbitskij S.A. (frozzi))	1					2	4
75	Nasyrova (Alewa86)	2					3	3
76	Khafizov L.Z. (Lenarkhaf)	2					3	3
77	Asfur I. (BarbiePink)	1					3	3
78	Sakharov (lDarkyl)	1					3	3
79	xaytboyev S.S. (xss)	1					3	3
80	Filatov D.D. (Anticoder)	3					2	3
81	Nagornaya (kuku_1989)	3					2	3
82	Mal'tsev V.A. (Viktorus2018)	2					2	3
83	Garanin S.V. (se_garanin)	1					2	3
84	Razova D.V. (s7ipper)	1					2	3
85	Sarkis'yan G. (gennadi_s)	3					1	3
86	Nikolaev A.N. (AlexeyHeizenberg)	2					ban	ban
87	Beketov (dimabima)	2					1	2
88	Oreshkov R. (ghost0211)	2					1	2
89	Teterin R.V. (virast)	2					1	2
90	Bokova (Evrazh)	1					1	2
91	Namazov M.A. (AsLimbo)	1					1	2
92	Rebovskij (x-lerasim13)	1					1	2
93	Yussupov S. (orrr)	1					1	2
94	Kuznetsov (ZXCdemon1)	1					1	2
95	Samorodov V.O. (svo20m115)	1					ban	ban
96	Nesterov (Cocsoman)	1					1	2
97	Chinareva O.Yu. (PopyMur)	1					1	2
98	Evdokimov A.A. (Dark_Tanyan)	1					1	2
99	Tkacheva (polin12)	2					ban	ban
100	Omirbaeva G.B. (Silphy)	2					1	1
101	Miron U.O. (Ovonel)	1					1	1
102	Pugovkina A. (rsunrrr)	1					1	1
103	Leonv V. (legenda1437)	1					1	1
104	Kydyrov S. (SultanBeybars)	1					1	1
105	Studenikin N.I. (Stdnkn)	1					1	1
106	ne B.P. (Shuqizy)	1					1	1
107	ponomarenko L.E. (wjqqqp)	1					1	1
108	ivanov I.P. (mcpotap)	1					1	1
109	Ivanova D.A. (Ivanchai_)	1					1	1
110	Satimbayev L.A. (lochinbek)	1					1	1
111	Smolin A.K. (pwned_1)	1					1	1
112	Logvinenko M. (makslogv)	1					1	1
113	Kolod'ko K.A. (DistaN)	1					1	1
114	Ibo K. (Kemchik)	4
115	Krasovskij E.A. (pegoopik)	3
116	Filatova E.M. (Elizaveta Filatova)	3
117	Smirnov A.E. (p4tk)	3
118	Xudayberganova N.X. (sqluz2026)	3
119	P (leopoldos777)	2
120	Potikhenskij Ya.K. (Potixenskij Yan)	2
121	Pavel P.P. (familka)	2
122	Abramov V. (Ichigo Kurosaki)	2
123	Kovtun A.Yu. (sillygoosegagaga)	2
124	Artemev L. (Leonid S.)	2
125	Bulavinov D.S. (Avipshy)	2
126	Fedchenko A.D. (EtoAleksandr)	2
127	Glotov E.I. (Ellis_Rockwell)	2
128	Yakovleva D.M. (DashaYakovleva)	2
129	Orlovtseva D.I. (doraeagle)	2
130	Shevnin D.D. (danilsh)	2
131	Sotnikov (Nikita Sotnikov)	2
132	yakovleva (nadusha123)	2
133	Polyakov A. (@\|_EX)	1
134	Sigankov V.I. (vasilyvanc)	1
135	Bochkaev P.G. (Hardix)	1
136	asfsf S. (alesha1232)	1
137	Ushakov S. (MoyPsevdonim)	1
138	Fun S. (Sarah Fun)	1
139	Kiseleva M. (M.Kiseleva)	1					ban	ban
140	chornyak (m.d.chornyak)	1
141	DO R.M. (danchikPi)	1
142	Grejnut (Regexer)	1
143	Cherentsova M.M. (margo0821)	1
144	Ramazonov A.B. (megarouge)	1
145	Ibragimova S. (SFIA)	1
146	Smirnov A.S. (parazorro)	1
147	Efromeeva (Aleksandra_E)	1
148	Kravtsov (Kravts.x)	1
149	Murych (Soff2222)	1
150	p (munique)	1
151	Anokhina E. (mylizabeth)	1
152	Amanzholov (ad01)	1
153	Churilov N. (Nick_Cherry)	1
154	P I.*. (IrinaPetr)	1
155	Konon (Kenen)	1
156	R. (Wra1th)	1
157	Kurbatova N.G. (dealer_1703)	1
158	Lysykh V.K. (Usilitel')	1
159	Sannikov V. (viachsan)	1
160	Khismatullin D. (dim.xismatullin)	1
161	KHU (kittysss)	1
162	Krasnov A.A. (Nutr1k)	1					ban	ban
163	11 1.1. (ReasonFor)	1
164	Borovkov A.K. (borovkov)	1
165	Bogdanov D.S. (M0n0br0v)	1
166	Nevmerzhitskij S. (Gusska99)	1
167	Kulikov A.Yu. (Ondrata)	1
168	Ivanov (valerza)	1
169	Bochkova (PunDora)	1
170	Kairatov Y. (yernaty)	1
171	Kazantsev V.D. (kentiko_0)	1					ban	ban
172	Bogdanovskij I.A. (Ilya122121)	1
173	Ajrikh N.A. (Ajrikh N.A.)	1
174	Oliver (klavamish)	1
175	Andreev K.A. (sun1zu)	1
176	m O.D. (blablablaaaaidinf)	1
177	mustafina (Mustafina)	1
178	Selivanov E.V. (mrsmitt4)	1
179	Mikhajlov (DohnJo)	1
180	Sayfiddinov F. (Sayfiddinov Firdavs)	1
181	Alafaev M.K. (Zero_7692)	1					ban	ban
182	Faskhutdinov A.A. (sfiler)	1
183	Voitovych A. (Anatolii13)	1
184	Aziz (Shukrullo-hettiera)	1
185	Belkov D.A. (belkov_da)	1					ban	ban
186	Abdukholiqov H. (abdukholiqov)	1
187	Iutinskij D.E. (dimaiuuu)	1
188	Trubitsin T.A. (SoTeNo4eK)	1
189	Geogii G. (I_mir)	1					ban	ban
190	Baranov N.A. (nikbarbdkgu)	1
191	Nefedov P.A. (Pavel173)	1
192	Kolbaev (Veaablok)	1
193	N A. (alemona)	1
194	brusliev A.K. (medved:L)	1
195	Andreeva P.A. (Polina Andreeva)	1
196	Lobanova K.V. (KristinaL)	1
197	Ryabova E.I. (Evg_000)	1
198	Kiseleva E.A. (Elizaveta Kiseleva)	1
199	Orazniyazova G.O. (Banu)	1
200	Alekseev D.S. (snwr)	1
201	Reymova F.F. (Fatima007)	1
202	Surayyo S.M. (Surayyo00)	1
203	Lazarenko E.V. (Elizabeth13119)	1
204	pop (lana8678585)	1
205	sussy H. (killer2007)	1
206	Unregistered	38

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