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January 25, 17:41 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	Sarkis'yan G. (gennadi_s)	2	1	191		3
2	Teteryatnik A.D. (Nastya0903)	1			2	2
3	sdasd (Hafuka)	1			1	1
4	Vishnevskij D. (R@ZOR)	1			1	1
5	Egiazaryan (Not_Alkogolik)	1					15	27
6	a B.C. (tapo4ekk)	6					15	26
7	Volkov A.V. (andrew VD2-23)	1					15	25
8	Lashina (babaika2)	1					15	24
9	serzhan M.T. (Medok_.)	2					15	20
10	Bakhrom (bahinho)	1					14	17
11	GG (Chamomilla)	1					13	16
12	Nikitin (Kyrliykii)	1					10	16
13	Mikhajlutsa (esperer)	1					10	15
14	Aleshina K. (Xeniia1205)	3					10	13
15	Vinogradov (Yalki)	2					10	13
16	Glukhov (hezo)	2					10	13
17	Farhat (Farhatsuper)	2					ban	ban
18	Efremenkova I.E. (IrenEfra)	2					6	12
19	kaplan K.P. (testersfdaf)	2					11	11
20	Cano Lopez I. (Isaac11-D)	1					ban	ban
21	Vydysh P.V. (vydysh.pavel)	1					8	11
22	gdugdh (gdugdh)	2					6	11
23	Titkov D. (dannymon)	1					8	10
24	Kuznetsova O.V. (Eurasian pygmy owl)	6					8	9
25	Sokirka (AhernarVega)	2					8	9
26	Fedunov (FNik)	1					8	9
27	Avdyukhova L.P. (lubovavduhova)	1					7	9
28	Ivanov A. (temich91)	1					6	8
29	tagiyeva N.G. (umaynurten)	1					ban	ban
30	aval A.G. (sandrikekw1271)	1					6	7
31	Krylov I.O. (NightlyX)	1					6	7
32	M?khamet?alym E. (yerath)	1					6	7
33	Zejniyagabidin N.M. (Asimptoda)	1					6	7
34	Mulukhov G.M. (georgii15)	1					5	7
35	keyboardnorth (North West)	2					4	7
36	Zaripova E.R. (elinnazr)	1					4	7
37	Abdrakhmanova M. (marina_abd)	1					4	7
38	Rysaev R.B. (rustam.canada)	2					6	6
39	Kalistratov A.S. (Alexander Kalistratov)	2					5	6
40	Bulatova A.A. (ayabul)	1					5	6
41	Komaritsyna O.A. (ksandra)	2					4	6
42	k V.Y. (s108)	1					4	6
43	Galustyan T. (TTT1111)	2					5	5
44	Muradov (pppupochek)	2					5	5
45	Romanov A.A. (romanov_aa)	1					5	5
46	Stolyar A.D. (SWAGA2281488)	1					5	5
47	me (mesql123)	1					5	5
48	Ham (Lan_0-0_)	1					4	5
49	Golovanova (stacie)	1					4	5
50	Soldatov (SoldJohn)	1					3	5
51	Simonov E. (matsui)	1					2	5
52	Goldobin E.G. (prm259)	3					4	4
53	Gorelov I.A. (qwerroaaa)	2					4	4
54	Kovalev (disae)	2					4	4
55	Vorotnikov A. (Crowex)	1					4	4
56	Yudin E.V. (egork@)	1					4	4
57	Plotnikov K.A. (kwert1x1)	1					4	4
58	Gal'yanov S. (Phoxi)	1					4	4
59	Fridman (Demetr1)	2					3	4
60	Hbb A. (Arthbb)	1					3	4
61	Sar'yan S.Kh. (SSX)	2					ban	ban
62	Tima S.Y. (Sergey8901)	1					2	4
63	Nikiforov D.V. (Kemi)	1					2	4
64	Pushkarev A.A. (coyc)	2					3	3
65	Novikov N. (nnovi)	1					3	3
66	Musl A. (hammep)	1					3	3
67	Ivanov (Bybaleh)	4					2	3
68	Vasileva I.V. (Irinavasileva)	3					2	3
69	Livshits (@Valeriy)	2					2	3
70	Zalyaletdinov R.R. (rinatramz)	1					ban	ban
71	Dvoretsky K. (shrtyk)	1					2	3
72	Makhotkina E.S. (gelya.wild)	1					2	3
73	Ershova V.V. (vera1507)	1					2	3
74	Izmajlov D.S. (Al'fa v kepke)	1					2	3
75	Fomina A. (Alisiya.one)	1					2	3
76	Ruslanov (saimond)	3					2	2
77	Sar B. (Sobol-08)	3					2	2
78	Rastrygin (PavelRast)	1					2	2
79	Kurmyshev D. (HailSatan)	1					2	2
80	Malakhov (dimmal)	3					ban	ban
81	Zamotajlo A.A. (Zamelo)	2					1	2
82	Kashtanava Yu.A. (yulia2000!)	2					ban	ban
83	Zolotarev (Yura Zolotarev)	2					1	2
84	Chumin M. (MaximusPrime)	2					1	2
85	Kolomin A. (valanchik)	1					ban	ban
86	Bulanov A.V. (Cartographer)	1					1	2
87	Ivanov (HUN123)	1					1	2
88	Eremina A.V. (Arcanum)	1					1	2
89	Gorokhova A.G. (aina_gr)	1					1	2
90	Sedov (AndreySA)	1					1	2
91	Pupkin V.I. (pupk1n)	1					1	2
92	Islamova Z. (silia)	1					1	2
93	Otradnov (Sdn19012026)	1					1	2
94	Radnaev V.N. (Coolkinguu)	1					1	2
95	Sokolov D.E. (Joker023)	2					1	1
96	okey (knueL1337)	2					1	1
97	amaryan (albert815)	1					1	1
98	Fomin I.V. (Ilyusha26)	1					ban	ban
99	Vasl L. (Lilyetoya)	1					1	1
100	Kon'kov G. (garrykonkov)	1					1	1
101	Aleshkevich I. (mbami)	1					1	1
102	Ermakov A.S. (Mr.Ermak)	1					1	1
103	skumwo (skumwo)	1					1	1
104	Farhat (Farhat2)	1					ban	ban
105	Barykin (RusyaMarshall)	1					1	1
106	Karpushenko A.P. (fenris06)	3
107	Sagi N.N. (Pushkin001)	3
108	Kurenkov D.E. (dmikelios)	2
109	Lakalov D. (Meilleur_NG)	2
110	Romanov R.S. (Romanov_Roman)	2
111	ads A.W. (abubaasd)	2
112	P I.*. (IrinaPetr)	2
113	Odegov A.I. (KovroLitik)	2
114	Ivanov V.A. (VoFkAAA)	2
115	Gribkova I.S. (dgd__pg)	2					ban	ban
116	Jfrhd (print_AJ)	2
117	discopony3 (discopony)	2
118	Chechetkin (Hydehome33)	2
119	clown M.L. (clownmeow)	2
120	Kurochkin P.A. (qwrqwr)	1
121	Krasovskij E.A. (pegoopik)	1
122	Koptel'tsev V. (selber)	1
123	Ivanov (IN71)	1
124	Titov P. (/7e4eHuQue)	1
125	Olszak G. (gregolszak)	1
126	Mironenkov L. . (mrcybermee)	1
127	Yn E.V. (nenavizhueturegistraciu)	1
128	Zavgorodnij S. (M0destas_1)	1
129	Smith (tibacityblues)	1
130	Kruzhalov A. (Axel1)	1
131	Parfenov (GrandVsauce)	1
132	Lyaschenko S.N. (pimen78)	1
133	Kostyuk A.I. (Drant)	1
134	Nechitaylo (nechitart)	1
135	Bulychev E.N. (Tai32)	1
136	Pilin (SAP)	1
137	Malakhov A.V. (JLaKeR)	1
138	Kochetkov D. (DeBe)	1
139	gupta S. (srashti)	1
140	Safarov S.T. (Sabir.s.t)	1
141	Osipov M.N. (Maksim22)	1
142	Gemazudinov D.R. (DimonLemon)	1
143	Artem'eva S.M. (Svetlana14_02)	1
144	GL (noobnoob)	1
145	Mustafin N.G. (Tormato)	1
146	Matasyants M. (Shaman_13)	1
147	Sergeev D.Yu. ($Den$)	1
148	Ul'yanov A. (Red_Alex)	1
149	Laptenkova (a cloud)	1
150	Yakovlev (The_Max)	1
151	Yat (kataline)	1
152	Kulyukina U.A. (KulyukinaUl'yana)	1
153	Sabanova (diana1989)	1
154	Tambovtsev K.I. (Sal*8)	1
155	R. (Wra1th)	1
156	Pavel P.P. (familka)	1
157	Kalymbetov E.K. (niceandcrispy)	1
158	Bueva A.V. (yeeen)	1
159	mir R.V. (RaMir116)	1					ban	ban
160	Korolev R.V. (zouker)	1
161	Komov S.M. (Komov S. M.)	1					ban	ban
162	Dolgov R.A. (roma2312)	1
163	Ocean (Ariel Tiramisu)	1
164	Lysykh V.K. (Usilitel')	1
165	Kozhokeev D. (Drager13pt)	1
166	Gorev N.A. (Doigram1)	1
167	Borodin V.A. (Ludoman)	1
168	First_name N.L. (logt24)	1
169	Gal'chenko E.A. (@kkkkayya)	1
170	Sh (ingener1)	1
171	Mok (sashamok)	1
172	yerko Y.Y. (yerko)	1
173	1337 (adkt)	1
174	R M.V. (rybakmak)	1
175	Testovyj T.T. (TestikTestovik)	1					ban	ban
176	Shulepov I.P. (Vanek778)	1
177	Golunova (olga_go)	1
178	beschereva Y. (bescheeeva)	1
179	Unshchikov (serega1986)	1
180	Povarnitsin S. (Gizi)	1
181	Tikhonov (Retpak)	1
182	Bogdanov D.S. (M0n0br0v)	1
183	Olotov (Andre1220)	1
184	Pejsher I.E. (EthanPaysher)	1
185	Gerasimchuk (bogrsm)	1
186	Shaju A. (Aditya18)	1
187	Spitsin V.V. (Vitaly699)	1
188	Lavrov F.K. (Tideees)	1
189	Surkov E.V. (suevg)	1
190	fara29_2011 (Proger2200)	1
191	zhumazhan A.Zh. (akiiii)	1
192	Nedyak (powernastya)	1
193	Dalabayeva K. (kaamixxt)	1
194	Krayushkin A.V. (Shtemp)	1
195	Kust D.A. (null_p0int3r)	1
196	slav O.A. (Oslav)	1
197	Fisman E.E. (lizafisman)	1
198	aKhATOV O.S. (INCLUSEDT)	1
199	Kashaganov A. (Kashaganov)	1
200	Lomiashvili (Vako L)	1
201	Gorbunova Yu.P. (LissaBony)	1
202	Makhammadieva D. (maxd40591)	1
203	Chinnykh E.P. (Egor2596)	1
204	Aidar (pipopipo)	1
205	Stsipion S. (Mark Litsinij Krass)	1
206	Ziadin A.S. (Aidana123)	1
207	Milovanov S.S. (Skraber)	1
208	Unregistered	39

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