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March 28, 22:50 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	Hbdnnddbhd B.B. (Bdbdhhd)	4			22	31	ban	ban
2	Hdbdhd H.H. (Jjddhdj)	3			23	31
3	Gusev A.O. (NowOrNever)	6	3	32		5
4	Isalimov Z.Z. (Greemdgo)	2			3	4	11	14
5	Vasyakova O.N. (Olga&Olga)	1			1	1	2	2
6	Kavunov (luadebug)	2					60	95
7	Popov M.S. (maxpo)	1					22	37
8	Kudaibergenov I. (Ilyassickk)	1					15	25
9	Kuznetsov A.M. (Alex_profi)	3					13	22
10	Perekal'skaya S.O. (Excuse Mua)	1					15	21
11	Aleksandrov E.A. (evgeny-alex)	2					15	19
12	Archy (Torpedo2024)	1					15	18
13	Shirokov M.A. (Dr.Mikhail)	1					12	18
14	Mironova E.I. (tRaWa)	1					11	18
15	karimov (ravil155)	1					14	17
16	Ivanov A.V. (inferioIT)	2					10	17
17	Voronina M.S. (voronina_mary)	1					10	17
18	Gunkin (d_m_q)	1					13	16
19	Uvaev A.A. (Pompilio)	4					10	16
20	Burkhanov V. (Dr.Aculushka)	1					11	14
21	Kadraliev R.S. (gromui)	1					13	13
22	Zavodova (catherine_zavodova)	1					12	13
23	Kuratov (Kojakoz)	1					10	13
24	Yashechkina V. (Opozdun)	1					10	13
25	Zvolinskaya A. (alina_zvolinskaya)	2					9	12
26	Timoshenko G.V. (John Lilli)	2					9	11
27	Komarov V.A. (Yurto)	1					8	9
28	Askhabov M.Kh. (Askhabov M.Kh)	2					7	9
29	familiya I.O. (adshiasdlaskl)	2					7	9
30	Azanov (kulinarr)	1					6	9
31	Radaev M.N. (Mihail190)	1					6	9
32	Streletskaya T.A. (tatianastr)	1					6	8
33	Stepanov S.M. (mintbag31)	1					5	8
34	Kreker M.G. (trutovik)	2					6	7
35	Metel'nikov (Blizzardnikov)	1					6	7
36	Sembaev D.S. (miragamer29)	1					6	7
37	Gordeev (Lorgan)	1					6	7
38	ru (derevo133)	1					6	7
39	Chebureks M.N. (cheburek_s_myasom676)	1					5	7
40	Orl (UniqHleb)	1					5	7
41	Pavel1234 P.A. (HollPavelJ)	1					5	7
42	Pogorelova S. (sv309)	3					4	7
43	Kuznetsov (CantDefeatAirman)	1					4	7
44	Klim (Alex_257443)	1					6	6
45	Umerenkov (Flerty)	2					4	6
46	Scherbatov Yu. (Yurij61)	1					4	6
47	Pushko M.E. (Mashamay)	3					5	5
48	Arbuzov V.V. (Tick_pods)	2					5	5
49	pro (mdx_)	2					5	5
50	Bushueva E.P. (katushka21)	1					5	5
51	Kokoev D.R. (as_uzbek)	1					5	5
52	Serik T. (_Faust_)	1					5	5
53	Kolobok V.T. (Kaharman)	1					5	5
54	Erbolat E.M. (=xX???nikita???Xx=)	1					5	5
55	Soboleva A.O. (29466475)	1					5	5
56	Ethayarajan V. (viggy)	1					5	5
57	Kononova (katyW)	1					5	5
58	M (NM2025)	3					4	5
59	Kolesnikov S.O. (bulbasaurus)	1					3	5
60	Lapo (ZLA17)	1					3	5
61	Popov P.A. (JohnSass1)	1					3	5
62	Zavertkin R.S. (InDepenDent17)	4					4	4
63	R. A. (Erayo)	3					4	4
64	Emel'yanova Yu.V. (JuliaEm)	2					4	4
65	Kozlov A.S. (Lift)	1					4	4
66	Zagibalo E. (Perec878)	1					4	4
67	Famil'naya E.I. (Amel99)	1					4	4
68	Efimenko (Ezhevika2196)	1					3	4
69	Strukov (StrukovSA)	1					2	4
70	Goffman A.V. (Borodatyj Gnom)	1					2	4
71	gabaraev D.Z. (davidgg)	1					2	4
72	Vysotskij (Bulochka_Bulochka)	1					2	4
73	Protsuk R.S. (protsuk)	1					2	4
74	Magsumov B. (ANALITIL)	2					3	3
75	Volkanovskaya V.V. (VolkVik)	2					3	3
76	Timerbaev A.A. (Iron889)	2					2	3
77	Slugin E.E. (rawelaw)	1					2	3
78	Rakhimov A.E. (Amir Rakhimov)	1					2	3
79	Mel'nikov E.E. (CtrlAltDeleet)	2					2	2
80	Sergeev A. (f_train)	1					2	2
81	Kuts (grifonus)	1					2	2
82	Shablinskaya A. (Bolonka)	1					2	2
83	Rumyantsev E.E. (rumik)	1					2	2
84	Es'kov A.Yu. (Alexandr E.)	1					2	2
85	Komov S.M. (Komov S. M.)	3					ban	ban
86	Grechishnikova L.M. (Lidiya0512)	2					1	2
87	Batashova S. (sbatashova)	2					1	2
88	Roschin A.M. (Alexendero)	1					1	2
89	Kushnir S.A. (Wishmaster190281)	1					ban	ban
90	Ubushiev (Arltan08)	1					1	2
91	Sergeev (Vladyka zaprosov)	1					1	2
92	neo (tenflower1221)	1					1	2
93	Smirnov V.V. (Sylvodor)	1					1	2
94	OlgaNice (OlgaNice)	1					1	2
95	Chuprynin D. (Vek1)	1					1	2
96	Neskazhukhov A. (Olgerhan)	3					1	1
97	maisuradze A.M. (MrBrend)	2					1	1
98	Kostalevsky (kostalevsky)	1					1	1
99	Sukhinin D.A. (mackenzie87)	1					1	1
100	Rodionova O. (Rovioly)	1					1	1
101	P N.V. (Kolianio)	1					ban	ban
102	Gobelko (IgorSofya)	1					1	1
103	Fes (DFes)	1					1	1
104	Koptel'tsev V. (selber)	3
105	vorobyov (dart.syslik)	3
106	Lagunov M.T. (Opengate48)	3
107	Krasovskij E.A. (pegoopik)	2
108	Ivanov I.I. (vlad91)	2
109	Chepelev (vschepel1)	2
110	Bredikhin M. (maxim_bredikhin)	2
111	- (ilayeero)	2
112	Chusta K.Yu. (kchusta)	2					ban	ban
113	Zhuravlev B. (Discord86)	2
114	Sairanbek D. . (sairanbek_darkhan)	2
115	Dron D.D. (Dron1234)	2
116	dikunov B.V. (bonny44)	2
117	Sergeevna V.S. (Ku_Ku_Lya_Lya)	2
118	Demchenkov (Alex_DM)	2
119	Nizamutdinov I.A. (Il'kham)	2
120	Derbugov I.N. (Loki777??)	2
121	Kruglikova V.E. (star_173)	2
122	Morozova A.G. (Hybr1d)	2
123	ZAVALIJ I. (wetedrsf)	2
124	Bystrov A. (AlxBystrov)	1
125	Petrov (Steamboat)	1
126	Barysheva O. (Odry)	1
127	Kucherenko (Master666)	1
128	Turdakhova I. (Irada.vip)	1
129	Abdulgalimov G.K. (Ganipa)	1
130	Bannikov D. (diven)	1
131	Zajtseva A.Yu. (annie_z123)	1
132	Prorochuk A. (Kyraga)	1
133	Konyavskij A. (Kohsa)	1
134	Salaev A. (a_peace)	1
135	Sagaidullaev A. (Despicable_0)	1
136	dsd (SErg78787dw)	1
137	Poperechnyi (kyoshimitsu)	1
138	Pavlenko A.V. (gamers)	1
139	Naumova V.V. (pelmeshka_shka)	1
140	tem Z.A. (zizi.py)	1
141	Mojzes M.G. (Mikhail_Moizes)	1
142	sdfsdf (asdfdsf)	1
143	Shevyakhov M. (maxim.cat)	1
144	Ivanov I.I. (InstincT1O)	1
145	pop P.P. (popur)	1
146	Bitsoev E.T. (Bisotti Eduard)	1
147	Shuvalov K. (PaulinaMethers)	1
148	Bondarev A. (Alex_0077)	1
149	D J.S. (qpakup)	1
150	mipt P.C. (mipt_psu_cybersport)	1					ban	ban
151	Gavrilova A. (anana)	1
152	Safaryan G. (gevsafar)	1
153	Sarkis'yan G. (gennadi_s)	1
154	Korokhov A.V. (neznaika_72)	1
155	andrei (rrau)	1
156	Volokitin G.V. (Merser)	1
157	Ivanov (userTest1)	1
158	Turlasov E.Kh. (lilyanchik)	1
159	Kuznetsova A. (anekdotek)	1
160	Vidineev M.A. (Flisi)	1
161	Odegov A.I. (KovroLitik)	1
162	Kozlova V.Yu. (ViKsel1)	1
163	R. (Wra1th)	1
164	Novikov M.R. (novikov2050)	1
165	Islom M. (fr0stman)	1					ban	ban
166	S. D.R. (daz_b)	1
167	dsa C.A. (vxv)	1
168	Nebukina V.A. (VNebukina)	1					ban	ban
169	Lysykh V.K. (Usilitel')	1
170	Fandieiev O.V. (999Alex1984)	1
171	Papina (ellie07)	1					ban	ban
172	Fazylov (fazylov)	1
173	Safronov P.A. (Paulus73)	1
174	allaberdiyeva H.S. (Hatyja04)	1					ban	ban
175	Kad V.Y. (s108)	1
176	le S.E. (sedrus)	1
177	Ruslanov (saimond)	1
178	Bagdasaryan A.A. (Armaand)	1					ban	ban
179	Zhumataj N.Zh. (Nursaya)	1
180	Zagorel'skij A.M. (Alexey_Zago)	1
181	Danilenko D.V. (wexxm)	1
182	Videvich A.P. (loptym)	1
183	Rinchinov Ch.Ts. (Rinchinov Chingis 01341)	1
184	Pozdnyakov L. (Leonoeren)	1
185	Erykalin P. (Lavorit)	1
186	Astakhov P.A. (AstiQ)	1
187	Frolov I.V. (Zevs pitbul')	1
188	gorban O. (Anriger)	1
189	Ustimenko (brat2alek)	1
190	Utkin S.A. (Aethel)	1
191	Ryasov I. (xvan2sx)	1
192	Khokhlov D.E. (DenEstedey)	1
193	Chechulin A.D. (TrikS)	1
194	Allaberdieva H.S. (Hatyja)	1					ban	ban
195	Kitov (Dovan)	1
196	Savchenko D.V. (Sam_3_litra)	1
197	Bulkin (bublik12)	1
198	mejia B.V. (biiuo)	1
199	Temirkanov A. (Babarabatin)	1
200	Aniskina (Tatianis)	1
201	Kuznetsov I.I. (iv1k)	1
202	Zozulya A.A. (Ambush4o)	1
203	Olimova Sh.A. (liliLNbora)	1
204	Derkach A.A. (bossik2728)	1
205	Kalabukhova A.A. (asiya_kalab)	1
206	Ivanov P. (selion_ded)	1
207	Men'shova (fsjfdsid)	1
208	Obukhov A.V. (Alex_71)	1
209	Bo (da_blyat)	1
210	Apilkin (tolikapilkin35)	1
211	Thaker (shining_star)	1
212	Unregistered	43

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