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February 21, 14:31 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	Vassilyev D.E. (codeinveins)	3			10	11
2	Bugaev K.E. (Kostya_B74)	1			4	8
3	Min'kova Ya. (Fleurs)	1			4	4
4	Koptel'tsev V. (selber)	1			1	3
5	Kajkova I.V. (ira_kay)	1	1	29		2
6	Isalimov Z.Z. (Greemdgo)	2			1	2
7	Matushkin S.A. (SergMatushkin)	6	1	1		1	ban	ban
8	Matushkin S.A. (rutkhi)	3	1	1		1	ban	ban
9	Novikov S.V. (@Ser589QA)	1	1	95		1
10	Mishin E.P. (zpendik)	1	1	1		1
11	Azarov M. (Azarrr01)	1			1	1
12	Targyn M.A. (M4N_T4)	2					15	26
13	M?khamet?alym E. (yerath)	1					ban	ban
14	Saipov S.M. (Saidbek)	1					ban	ban
15	Miyajlovich (vaflya_9595)	1					15	25
16	idiris N.R. (1ndibi)	1					ban	ban
17	Kazagasheva V.M. (rrosemary)	1					ban	ban
18	Isabekova A.S. (Ajyana)	1					14	25
19	mels A.M. (kkharvey)	1					15	24
20	maliciousintent (maliciousintent)	1					ban	ban
21	Adil (eclassic32)	2					15	22
22	Rinat D.R. (Didar1)	1					15	22
23	Alnay (fepwiog)	1					15	22
24	Kamza A. (drgibjosh)	1					14	22
25	Alimuradova D.K. (AKDiana)	1					13	21
26	Abubakarov T.R. (DoubleT)	1					10	20
27	Mukhamedali A. (FLEXR777)	3					15	18
28	Shansharkhan Z.M. (Zhakeeee)	2					15	18
29	Kangerey A.Z. (Alfinkly Deaspecty)	1					15	18
30	Bokov A. (vaiforic)	1					15	18
31	Abdurakhman N. (abdrkhmnn)	1					15	18
32	Kalmanov R.N. (RamazanK)	1					14	17
33	Olpanbay A.A. (Assyk232)	2					ban	ban
34	Gadwal A. (ghatotokach)	2					13	16
35	Mer S. (skdo)	1					13	16
36	Yerlanuly A. (Moon077)	1					ban	ban
37	Valiakhmetova D. (darinarv_)	1					12	15
38	Zholdasov A.S. (asyl10)	1					11	15
39	Zheltov V.Yu. (xz_pochemy)	2					9	15
40	dfsfssf (prprprprp)	1					9	15
41	Yuzhakova K.O. (sini)	1					7	14
42	Orlov G.K. (grsc)	1					8	13
43	Shirokorad K.D. (ksuzi)	2					7	13
44	Sergeev I.A. (skorodum)	1					10	10
45	Azanov (kulinarr)	1					7	10
46	Skiba D.S. (Danonchk_202)	2					7	9
47	post D.P. (davidikov)	1					6	9
48	Grinenko I.S. (grenka9)	1					6	9
49	Kondrashova N.E. (Natalia24111983)	1					5	9
50	Solov'eva (Lisitsa)	2					7	8
51	Khairov R.R. (Togg)	1					5	8
52	Yarovaya M.V. (meleema)	1					4	8
53	Nikita (TallNimba)	1					6	7
54	Tsauev N.S. (Myakish)	1					4	7
55	Lazarev D.D. (Lazarev)	1					4	7
56	Belyavtsev S.A. (Seryozha Belyavtsev)	1					4	7
57	Grachev A.V. (TheFlamingFoam)	1					4	7
58	Ismailov O./. (_Otabrbrpatapim_)	1					5	6
59	Vorobej K. (mastadont)	1					5	6
60	discopony3 (discopony)	1					4	6
61	Statova S. (Statova Sof'ya)	1					4	6
62	Zubov P. (Juji0)	1					ban	ban
63	Vorobev A.V. (alex.emart)	1					3	6
64	Medvedev K.A. (kirill-medvedev)	1					3	6
65	Eugene (home_head)	2					5	5
66	R A.A. (ArtSystem777)	2					5	5
67	Balduev D.G. (Dorgo)	1					4	5
68	Belyavtsev A.A. (Andreyjqwerty)	2					3	5
69	Egupov A.S. (Fekt0r)	1					3	5
70	Moneskin I.N. (fovente)	1					3	4
71	Sergej S. (ArbuZV)	1					3	4
72	Dusaeva K.R. (Astrena)	2					2	4
73	Filippov V.P. (viktorfilipov552)	1					2	4
74	Vladislavovich A.C. (ArtemChernov)	1					2	4
75	Tyuleshkaliev K.R. (Megazhir67)	1					3	3
76	Bogdanov (Viagod)	1					3	3
77	Maiorov (mioxom)	1					3	3
78	kataev (d33d)	1					3	3
79	Sabanova (diana1989)	2					2	3
80	WorldWater (5War5Fire5)	3					2	2
81	Zholdigaliev (S1ko)	4					ban	ban
82	Karpenko (Usenik)	2					1	2
83	Mussakaev K.S. (mussakaev123)	2					1	2
84	Kamarouski A. (akamarouski)	1					1	2
85	Afanevich E. (Ketra)	1					1	2
86	Pelepelin A. (ToniMekh)	1					1	2
87	Kolobovnikov B.R. (bodyan42)	1					1	2
88	Gurov I.A. (i_gurich)	1					1	2
89	Mamontov S. (stepan03)	1					1	2
90	Grechishnikova L.M. (Lidiya0512)	1					1	2
91	Zhuk V.R. (loniloum)	1					1	2
92	Prokopovich V.V. (CAPATYCH)	1					1	2
93	balashenko O.A. (schdusrrrlf)	1					1	2
94	Molonov A.V. (DYUSHA777)	1					1	2
95	Zhurtov M.Kh. (Muricle1995)	2					1	1
96	Deva N.S. (nithin0303)	2					1	1
97	Kara (Royal1V)	1					ban	ban
98	Yudin E.V. (egork@)	1					1	1
99	okey (knueL1337)	1					1	1
100	Novikov N.D. (nikitosikss)	1					1	1
101	Salamatov (Asali)	1					1	1
102	Odegov A.I. (KovroLitik)	3
103	Baglanov Z. (Jasik001)	3
104	Sergeev (VladNewS)	2
105	P I.*. (IrinaPetr)	2
106	Khaltayev (KNB22)	2
107	Khanmagomedova L.N. (lyudmila_lyudmila)	2
108	Komov S.M. (Komov S. M.)	2					ban	ban
109	Shaju A. (Aditya18)	2
110	Mukhametzhan M.A. (Miras2181)	2					ban	ban
111	. (Blank_)	2
112	Zabolotnev A.A. (Zabolotnev A.A. K3-64B)	2
113	Ivanov (Jack104)	2
114	Myrzabaev Zh. (ky0u)	2
115	eka E.?. (Atty ?sker)	2
116	Turgengul E.E. (erasyl1)	2
117	Yakovchuk A.V. (yoshiqt)	2
118	Tayokin L.A. (tayoka)	2
119	Baryshev D.Yu. (dmitrieq)	2
120	Luzanov M.O. (VenomCanine)	2
121	Abramova (roxy_05)	2
122	Ivanov (sql_leader)	2
123	Loran M.N. (Marinaloran)	2
124	Slastikhina (Lessa1)	1					ban	ban
125	Balandin A. (Murz78)	1
126	Sigankov V.I. (vasilyvanc)	1
127	Sal'nikov N.V. (snv_ma)	1					ban	ban
128	Vavya A.V. (mgtu-ccccc)	1
129	surname (anyone_else)	1
130	Demin (demka)	1
131	Prokhorova A.E. (Fruit_mix)	1
132	trunenkova D.M. (DashaMik)	1
133	Akhmedov P. (philip.akh)	1
134	Nasyrov V.A. (Vadolo)	1
135	Rassudova (maydaily)	1
136	shlyopkin Sh.Sh. (gus!)	1
137	Pilin (SAP)	1
138	Sydoruk A.S. (annoyingrocket1911)	1
139	Nurutdinova D. (Diana_R)	1
140	Sam (Merless)	1					ban	ban
141	Abilpatta E.A. (Napsterclock)	1
142	Gulyanov (hecfi)	1					ban	ban
143	Moskalenko I.A. (warchang)	1
144	Sarkis'yan G. (gennadi_s)	1
145	Kovaleva L.V. (LarisaK)	1
146	Sedikov V.R. (sedoy_analyst)	1
147	Dimok (Shweppes)	1
148	Ivanov (userTest1)	1
149	Kolesnikova (Vermika)	1
150	davidov A. (ggggggaaass)	1					ban	ban
151	Ryan R.R. (Ryan3111)	1
152	Gridin (Nomeer)	1
153	Kulik E.Y. (pl.sinner)	1					ban	ban
154	R. (Wra1th)	1
155	Shebnev (si.shebnev)	1
156	Zejnalov (qarabala)	1
157	Tsilyutin D.E. (Applenesid)	1					ban	ban
158	Shajnoga A.A. (Anzu56)	1
159	Chalenko (Ligumcode)	1					ban	ban
160	Kharlamov N.M. (delrain)	1
161	Pshukov R.A. (RP865)	1
162	Streletskij (Cheburator300056v)	1
163	Araev E.N. (indrE)	1					ban	ban
164	Koval' D.D. (BuHTuK)	1
165	Lysykh V.K. (Usilitel')	1
166	1 (lunimi0)	1
167	Krutetskyi K. (Krutetskyi)	1
168	Guliev R.S. (CARATXXL)	1
169	Ivanov P.P. (PavelPLAT)	1
170	Volkova P.R. (_linka_)	1
171	Erzhov (pepsik)	1					ban	ban
172	Khmara D.M. (dmitr1y06)	1
173	Evdokimov N.B. (Mrakoborets)	1
174	Ershova V.V. (vera1507)	1
175	Nikolaev (Fro66y)	1
176	Puchkova V.M. (lllerkinssss+-)	1
177	Mamontova M.N. (neilperry398)	1
178	Karikh V.V. (vadika48)	1
179	Zeinolla E.B. (elzh22n)	1
180	Krayushkin A.V. (Shtemp)	1
181	Gorkov (narr3309)	1
182	telagisov D.D. (SAVER454)	1
183	Vysotskij (Bulochka_Bulochka)	1
184	7779857415623 (7779857415623)	1					ban	ban
185	Filippov G. (garinich22)	1
186	Bulakhtin A.D. (R3Z1D3NT)	1
187	Aksenov (NomenChok)	1
188	Koshevaya M. (maruuu1234)	1
189	Kravtsov E.K. (Evgeniysql123)	1					ban	ban
190	Schapov (__sql__)	1
191	Atajanov A. (amir228)	1
192	Gadzhiev (nu3on)	1
193	LOG N.E. (LOGKFK)	1
194	Seitzhan N.M. (aiyym)	1
195	Panova V.R. (Vikusik6422)	1
196	Matveev A.A. (matinhno)	1
197	Koshelev (Vakera_Kosh)	1
198	Sadokhin K.P. (xchanskiy)	1
199	Tugdumov B.B. (Badara_01341)	1
200	Shvetsov D.Sh. (DanechekSw)	1
201	Cadier G. (maximum_the_nao)	1
202	Fedorov M.S. (uqk)	1
203	Konstantinov -.-. (vasya132123)	1
204	Perlin (Sergey238)	1
205	Unregistered	36

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