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September 13, 22:55 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	Abdullaev I.R. (imamChamp)	3			7	7	3	3
2	Volkova A.A. (anvlo)	2			3	6	15	24
3	Skibin V.V. (SQL_vvs)	4	1	32		3
4	Shibaev (saah)	4	1	77		2
5	Mal'tsev V.A. (Viktorus2018)	3	1	1		1	6	11
6	P I.*. (IrinaPetr)	5	1	-16		1
7	A A. (ali_isba)	2			1	1	9	11
8	Senkov A.S. (Lexa1045)	1					15	26
9	Zanegina S.N. (asdfggk)	1					ban	ban
10	Tugdumov B.B. (Badara_01341)	1					15	22
11	Munkueva B.R. (Baira)	1					15	21
12	Bulychev F.A. (Fedya2011)	1					12	20
13	Persikova (Eve_Lee)	4					15	18
14	Morozov (sisylipheus)	3					11	17
15	A K.A. (Mr_Wolf)	2					11	15
16	Otinov A.D. (WellSo)	1					11	15
17	Kagarmanov A. (wwww12)	4					9	15
18	Provorchenko N.I. (CanaryBell)	2					9	15
19	Savrasov A. (alexisse)	1					11	14
20	Zhuravlev D.A. (HEPHSQL)	1					8	14
21	Ostanina L.A. (Ostanina Luiza)	2					10	13
22	Kopylova S.A. (Loshara_ru)	2					10	13
23	Dichev A.T. (Klasik)	2					ban	ban
24	Nazarov I.N. (NazVan)	1					ban	ban
25	o M.Yu. (rina1)	1					8	13
26	Kin G.T. (Gin-chan)	2					7	11
27	Ostapyak M. (Muka Lodrich)	1					7	11
28	Razumov V.D. (jackaless)	5					7	10
29	qwerty (nsme)	1					6	10
30	Roflan (tk31)	1					6	10
31	Khomutov M.A. (MaxLavr)	4					7	9
32	Kunchenko E. (ElenaK1990)	2					7	9
33	Soloviova M. (MargaritaIT)	1					7	9
34	Manosin (jieel)	3					5	9
35	Bajbikova D.R. (Daniche)	1					5	9
36	Surkov A.A. (Surkov_27)	2					5	8
37	Botalova (sipka15)	1					5	8
38	Bogdan S.Yu. (_Serge0_)	2					4	8
39	Anisimov A.V. (Aleks-9UUU)	1					7	7
40	Polozova V. (Viki-Polo)	4					6	7
41	Rudakova S.E. (Sonya Rudakova)	2					6	7
42	Tulegbenpenov (olegue839)	1					6	7
43	Lobashev A.V. (LobashevAndrey_csu_mp)	2					5	7
44	Palilova V. (_i_n_s_s_)	1					5	7
45	Ryhus Y. (Yevhen_Ry)	2					4	7
46	Shapiro D. (xx_Da_Sha_xx)	2					4	7
47	Safronov V.A. (xIceBallx)	1					4	7
48	Churilov O.E. (HocokTopok)	2					4	6
49	linhcoder L.H. (linhcoder)	2					4	6
50	Solomnikova (AlexSolom)	1					4	6
51	Mustaeva Yu.I. (Yulianna2008)	1					4	6
52	Artemev L. (Leonid S.)	4					3	6
53	Dusenko T.S. (EvgeniaUg22)	1					3	6
54	Bychkova M.V. (itsbchkv)	2					5	5
55	Kanzeparova L.I. (LuizaK)	1					5	5
56	Bagautdinov (krutysh)	1					5	5
57	Medvedev A.F. (andrei92121)	1					5	5
58	Ermakov I. (Richusha88)	1					5	5
59	Golovizin D.A. (Goldan)	1					5	5
60	terkina K.-. (kterk)	2					4	5
61	Pitel' N.L. (NikiMx)	1					3	5
62	Shishkin (That_Pear)	2					4	4
63	Lekantseva V.A. (vasilina2409)	1					4	4
64	Sh (roman_83)	3					3	4
65	Barashkin A.A. (conquru)	1					3	4
66	7shkin S.V. (Slavnik)	3					2	4
67	Vas'kina M.D. (popcorn888)	3					2	4
68	Kameneva (kristachak)	1					2	4
69	Nasyrova (Alewa86)	1					2	4
70	Kuprava L. (Lkupra)	1					2	4
71	Bobylev A. (Aleksei Bobylev)	1					2	4
72	Yakovenko A.F. (arinchees)	1					3	3
73	Krutoi (KentKrutoiBro)	3					2	3
74	Krasnov A.A. (Nutr1k)	2					2	3
75	Nevskij D. (SkipOne)	2					2	3
76	Kozhan D.V. (Dushen'ka)	1					2	3
77	Khazieva V.Kh. (vasilek82)	1					2	3
78	Shure V. (VladimirShure)	2					1	3
79	Petrov D. (SQL_Joker)	2					2	2
80	Ivanov (Decease)	1					2	2
81	Artamonov A. (Artamoon)	1					2	2
82	-- -.-. (sssnow1)	1					2	2
83	Sheremet'ev I.M. (Efcko31)	4					1	2
84	Matsakova A. (aysamats)	3					1	2
85	Shuginin Yu. (der_Spielmacher)	2					1	2
86	Abramenkova (muroni)	1					1	2
87	Maevskij A.R. (Lucky__)	1					1	2
88	Murych (Soff2222)	1					1	2
89	Ivanov (Slava_KPSS)	1					1	2
90	Shuvalov (Spectre1915)	1					1	2
91	Elena E.E. (elenaaaaaaa)	1					1	2
92	Karateev (m532153214_kar)	1					1	2
93	New R.G. (newLogin)	1					1	2
94	Kulepov (mi_20)	1					1	2
95	Kuzaev D.A. (dak187)	1					1	2
96	Gajnetdinov (happyMri)	1					1	2
97	Marmurov A. (VersuS97)	4					ban	ban
98	qq Q.Q. (Iqwed)	2					1	1
99	Cherentsova M.M. (margo0821)	1					1	1
100	Aubakirov R.G. (Rakha)	1					1	1
101	Titov (mahaon_1999)	1					1	1
102	Namazov M.A. (AsLimbo)	1					1	1
103	Rau M.A. (mary6)	1					1	1
104	asd D.S. (HIDO)	1					1	1
105	Rebovskij (x-lerasim13)	1					1	1
106	Bogomolov V.I. (BVladis)	1					1	1
107	Kokorin (Eteroton)	1					1	1
108	Korotkevich I.A. (somnambula)	1					1	1
109	N (lera9441)	1					1	1
110	Dmitriev (DistotiON)	1					1	1
111	Petrov (poni19)	1					1	1
112	Nasunova V. (Melena21)	1					1	1
113	Koptel'tsev V. (selber)	4
114	Sarkis'yan G. (gennadi_s)	4
115	ae M. (mh_ae)	3
116	Pavel P.P. (familka)	3
117	Kurochkin P.A. (qwrqwr)	2
118	Krasovskij E.A. (pegoopik)	2
119	Ushakov S. (MoyPsevdonim)	2
120	Ushakov A.Y. (ushakov94)	2					ban	ban
121	Garifulla N. (Nurik2003)	2
122	Orlov A.A. (Logistix)	2
123	Zorina L. (ein_verbot)	2
124	Krupko E.L. (Krupko)	2
125	Pavlov I.A. (WhiteCat110)	2					ban	ban
126	Dudarev K.V. (Kirill_Netot)	2
127	Nikitin T.E. (Now2Where)	2					ban	ban
128	Zadirieva V.O. (NicaZadirieva)	2
129	Sain T. (Temujin079)	2
130	Zhivotnoe B. (Limonna)	2
131	Volkova (TBshnik)	2
132	Arutyunyan (arutiunianan)	2
133	Koudriavtseva (Larissa)	1					ban	ban
134	Vasenin D. (vasenin-d)	1
135	David T. (Eyeson)	1
136	Nagaev K. (konstn)	1
137	Bagramov S.S. (sb_mipt1)	1
138	Kucherov A. (Seidzi)	1
139	Petrov (Steamboat)	1
140	Boyarskij D. (hardison)	1
141	Familiya (Saveta)	1
142	Demidenko A.A. (BorisEltsin)	1
143	Tolstoi (Toy Soldier)	1
144	vfvf M. (roron)	1
145	Filatov D.D. (Anticoder)	1
146	Vartanova (Dasusik)	1
147	Frolov K.A. (Murderface_)	1
148	Maksym D. (Dubas666)	1
149	Shumkov D. (DenisAndreevich)	1
150	Medovnik A.A. (AleksHoney)	1
151	Ostapenko T. (toper777)	1
152	Smirnov A.S. (parazorro)	1
153	Kotelevskij D.O. (m0z3nn-)	1
154	Platonov A. (Golden-Times)	1
155	Tsymbalova M.S. (maria_tsymbalova)	1
156	Petrov (ilion)	1
157	Pichugov V.A. (VictorPichugov)	1
158	Mudrak E.M. (Kate-kate-kate)	1
159	Vorontsov (1473254)	1
160	Glukhov K. (Sotrano)	1					ban	ban
161	Snezhkin E. (Evgenij Snezhkin)	1
162	Kosov A.A. (Kintoky-san)	1
163	Rodin (uoloki)	1
164	Yakupov A. (TaTaR1N)	1
165	Darkkholm V. (DarkHolm)	1
166	Golovkin I.A. (GHOST2508)	1
167	Rastorguev (SnegopadLa)	1
168	R. (Wra1th)	1
169	Lodygin I.A. (Gariklo)	1					ban	ban
170	Taweel M. (mahmoud13)	1
171	Lysykh V.K. (Usilitel')	1
172	choudhary V.V. (vedikachoudhary)	1					ban	ban
173	Saltaev (Fenity)	1
174	Abramov V. (Ichigo Kurosaki)	1
175	Ivanov P.P. (PavelPLAT)	1
176	Kanunnikov P.V. (Inoj777)	1
177	Vorob'eva A.G. (Aleksandra SQL)	1
178	Maksimova (shadow_play)	1
179	Ivanov I.I. (pasta123!@#)	1
180	Noskova D.I. (daho_n)	1
181	mfn vefk E.H. (jvhdvh)	1
182	Il'in I.N. (Igor_Il)	1
183	Bugretsov (jbeb77)	1
184	Kazantsev V.D. (kentiko_0)	1					ban	ban
185	Zhopkin (Vanek_destroyer)	1
186	Gurbanova A.A. (arzusha)	1
187	Sizintsevv E. (Artifis)	1
188	Murin I. (Ilya__M)	1
189	Bratsykhina T.A. (tatavia25)	1
190	Nikiforov M. (Matttew)	1
191	Khafizov L.Z. (Lenarkhaf)	1
192	Surname (Void_107)	1					ban	ban
193	Reva S.I. (s.reva)	1
194	Ponurov A. (ppurumm)	1
195	Yakubov M.R. (cube_ya1)	1
196	Raviks V. (VladisRav)	1
197	Kozlova N. (nadia9823)	1
198	VLASSOV (_MOG_)	1
199	pastel G.-. (sunsad)	1
200	Melnik (sgproo98)	1
201	Atkulova M.A. (m_atkulova06)	1
202	Kirkin I.M. (grogu)	1
203	Esk'yuel'kin K.V. (Kronenberg)	1
204	Gataullin A.Sh. (Ballist)	1
205	Loktyushin E.V. (egoriye)	1
206	Ostanina L.A. (Luiza Ostanina)	1
207	Abakumova I. (abkmv_ia)	1
208	Babkin I. (b_240)	1
209	Ryapov R. (ballGarin)	1
210	Yudin I. (IY24)	1
211	Avpurkv (Cezkb)	1
212	Nechaev N.A. (BLESS_U)	1
213	James (1t1sCooL)	1
214	Petrova N. (cyrus_raven)	1
215	Belyaeva A. (Anna0404)	1
216	Ivanova E. (kikikq)	1
217	Gevorgyan M.L. (snegsus)	1
218	Unregistered	30

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