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September 17, 14:34 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	Barashkin A.A. (conquru)	2			3	6
2	Tsybin A.V. (magicdragon)	1	1	41		3
3	vfayv F.Y. (frwtbet)	2			3	3	10	13
4	Shibaev (saah)	1	1	83		2
5	Bobrov M.A. (Bobrov Mikhail Alekseevich)	1			1	2	15	24
6	Nikolaev A.N. (n1kolaevs)	1	1	1		1
7	Zhorov (zefir123)	1					15	28
8	Nurbaev V.V. (Ulanovka)	2					15	26
9	Kalugina K.S. (DaraKori)	3					15	24
10	Senkov A.S. (Lexa1045)	1					15	24
11	Pogosyants (Ivan338)	1					13	24
12	Ongarbaj B. (botaamota)	3					15	18
13	Mekhtieva M.R. (Milada2037729494948536___)	2					15	18
14	Ivanova (NIshp)	1					15	18
15	Lemachko A.V. (angelina-xm)	2					14	17
16	Ishmuratov R.A. (RaILIsH)	4					10	17
17	Trushin D.D. (w8urd)	2					13	16
18	Molchin A.V. (a_molchin)	3					9	16
19	Fajzulina S.Sh. (snejanna)	1					11	15
20	Alekseeva T.N. (tatidataanalystbaddie)	1					11	15
21	Karimov M.M. (marseel)	2					10	14
22	Ozerov K.A. (Nxthxn)	1					10	14
23	Tazhibaev M.B. (MikoMiner)	2					ban	ban
24	Khen S.G. (KhenAlexandr001)	2					ban	ban
25	Bayguchukova A.M. (ABayguchukova)	5					7	13
26	Kvitko E. (EkaterinaTOP1)	3					9	12
27	Sadyk R.K. (Rukhaaa)	2					9	12
28	Pankratov V. (n4clon1)	2					9	12
29	Ivanov V.P. (ivanov_v.p.)	1					9	12
30	Ivanchuk M.D. (hpcrt3)	2					8	11
31	Sychyov A.N. (Sasha Sychev)	1					8	11
32	Mikitey (Hardbinger)	2					7	11
33	Litvinov A.M. (plusDex)	1					7	11
34	Kandidatov E.O. (Egor Kandidatov)	5					9	10
35	Shish K. (uragansolo33)	1					9	10
36	Krutikov M.V. (KrutikovMV)	2					6	10
37	Azhovkov (forana1977)	2					6	10
38	Nemchinovich V.D. (nevidm)	1					8	9
39	Paltsev (viachaslau Pal)	1					8	9
40	Fedosova T. (fed0s06)	1					7	9
41	Zhabina I.S. (Irina Zhabina)	3					6	9
42	Sh (roman_83)	1					6	9
43	guru (rgcust)	3					5	9
44	Bugretsov (jbeb77)	1					5	9
45	Ignat'eva K.I. (kssxkksi)	2					8	8
46	Dmitrij (Dmitrij Pr.)	2					7	8
47	Ryazanov D.S. (rudry2)	3					6	7
48	Nikonova Y.V. (yanik27)	2					6	7
49	Kabatov (Teefa)	2					6	7
50	Kotel'nikov A. (AlekseyKot)	1					ban	ban
51	Potapova V. (vrlbr)	1					6	7
52	Buraya K. (kseni_bur)	1					5	6
53	Zhivotnoe B. (Limonna)	1					4	6
54	Krasnov A.A. (Nutr1k)	1					3	6
55	aaa A.A. (hellokitty123)	2					5	5
56	Buzin N.I. (Horryt)	2					5	5
57	Kri (Ksayr)	2					5	5
58	Krajnova I.S. (Irina13)	1					5	5
59	Shamshiev (Zhangir09)	1					5	5
60	Dugin D.R. (DYGIDAI)	1					5	5
61	Polyakov O.A. (Polyakov_oa)	1					5	5
62	Golyak V.Yu. (i_n_iks_18)	1					ban	ban
63	Marinich A.D. (nanushka48)	4					4	4
64	Lekantseva V.A. (vasilina2409)	1					3	4
65	Artemev L. (Leonid S.)	2					2	4
66	Gajnetdinov (happyMri)	1					2	4
67	Kanatuly N. (kanatuly)	1					3	3
68	Khajretdinov A. (999Samvel999)	1					3	3
69	Volkova A.A. (anvlo)	2					2	3
70	Konogorskij L.E. (konogorsky Leo)	2					2	3
71	Penyaz' A.S. (Nastikit)	1					2	3
72	Shapiro D. (xx_Da_Sha_xx)	1					2	3
73	antonievich (Kvars)	1					2	3
74	Shibanov P.G. (PlayFish)	1					2	3
75	Blagovestnikov N.O. (OldCat)	2					2	2
76	Safarov M.A. (quvibite)	2					2	2
77	name I.S. (MCSDRF)	2					2	2
78	Sayfiddinov F. (Sayfiddinov Firdavs)	2					2	2
79	Prikhod'ko N.A. (SoNiK4D)	2					2	2
80	sirotkin D.A. (dimas44)	1					2	2
81	Kudryashov A.S. (artem_12)	1					2	2
82	Smirnov V.A. (Vlad1234)	1					2	2
83	Sirozhov A.M. (Sdoied)	1					2	2
84	Bagryantseva D.A. (Dar'ya Meowdg)	1					2	2
85	Kopejchik (RomanKopeychik)	1					2	2
86	Linde K. (kristina007.)	2					1	2
87	Ushakov A.Y. (ushakov94)	1					ban	ban
88	Aubakirov R.G. (Rakha)	1					1	2
89	Zheludkov S. (zhsvyach)	1					1	2
90	A K.A. (Mr_Wolf)	1					1	2
91	Fetisova D. (FDiana)	1					1	2
92	New R.G. (newLogin)	1					1	2
93	Ivanov M.A. (Ozen335)	3					1	1
94	Semenyuk D.A. (Rodnen'kie)	2					1	1
95	Abramenkova (muroni)	1					1	1
96	hsdh H.H. (hrcj)	1					1	1
97	Mosko S.Yu. (SlavaSlavyanSLL)	1					1	1
98	F M.A. (FMAWR)	1					1	1
99	Lcdma (LCDM138)	1					1	1
100	Selivanov E.V. (mrsmitt4)	1					1	1
101	Kopylova S.A. (Loshara_ru)	1					1	1
102	Zhuravleva A.S. (SAWASOVA)	1					1	1
103	Kuznetsov (ZXCdemon1)	1					1	1
104	Belousov S.S. (PINDJ)	4
105	Abdulmanapov A. (Dvarik)	3
106	Vasil'eva E.A. (Evasilyeva)	3
107	Belyaeva E.V. (evb2555)	3
108	Krasovskij E.A. (pegoopik)	2
109	Matzhanov A.O. (Aibek)	2
110	Gerasimova M.V. (Mar_G)	2
111	Demidenko A.A. (BorisEltsin)	2
112	Gorbachyov K.V. (Vi50)	2
113	Lysyakov I.A. (Kycok_rHoMa)	2
114	Gonvharov T. (timurgoncharov)	2					ban	ban
115	usmanov (dunap)	2
116	Hemilton (Klodhem)	2
117	Kuznetsova O.V. (Oljakuz)	2
118	Romanova K. (RomanovaK)	2
119	Korobko I.A. (offisnyi_igor)	2
120	Yakubov A.I. (Artyom_Yakubov)	2
121	Denchuk (Dejmosfom)	2
122	Sharov (tupicapolniypryam)	2
123	Samokhina T. (Zagadochnaya_miledi)	2
124	Hakimov R.I. (sCandal)	1
125	Kurochkin P.A. (qwrqwr)	1
126	Bryukvina O.Yu. (Findus)	1					ban	ban
127	Koptel'tsev V. (selber)	1
128	Ushakov D. (Gromozeka)	1					ban	ban
129	Smirnitskiy (alexsmr)	1
130	Lyubimenko E.V. (lev_1488)	1
131	Gusev (Fakel99)	1
132	Kornienko A. (andr-123)	1
133	Der (TerraVulcano)	1
134	Laktionov M.S. (Aimlancer)	1
135	Garifulla N. (Nurik2003)	1
136	ivanov (nohttpslol)	1
137	Novgorodtsev S. (SadPeon)	1
138	Li R.Yu. (Zaromu)	1
139	Pochtova E.A. (Evgesha13)	1
140	khakimov A. (Ditrih08)	1
141	Terekhov I.E. (foxboy)	1
142	Tomkin (morkivkins)	1
143	Drozhzha D. (D-D-Drozhzha)	1
144	Murych (Soff2222)	1
145	Sarkis'yan G. (gennadi_s)	1
146	Skokov B.S. (leks$$)	1
147	Kushnir S.A. (Wishmaster190281)	1					ban	ban
148	Egorov M. (Bart544)	1
149	Gorobinskij (demonguest)	1
150	Ostanin Yu.A. (yourun)	1
151	P I.*. (IrinaPetr)	1
152	Kondrat'ev A.D. (Drowfard34)	1
153	R. (Wra1th)	1
154	F A.R. (AAAfffA)	1					ban	ban
155	son D.S. (v golove - NULL)	1
156	Lysykh V.K. (Usilitel')	1
157	Akameeva S.V. (SVA1)	1
158	Rebovskij (x-lerasim13)	1
159	Bobrov R.M. (Romchegg)	1
160	Zamyatkin N.S. (MisterEblin)	1
161	Spitsin V.V. (Vitaly699)	1
162	Arshidinova M.T. (AMT)	1					ban	ban
163	Goldobin E.G. (prm259)	1
164	- M.-. (sksksksk)	1
165	Vasil'ev (GudiniMoonlight)	1
166	Milyaeva K. (MadamSengo)	1
167	El'tsova T.E. (elt.tana)	1
168	Rybin (AlexRybchik)	1					ban	ban
169	Korolev A.A. (Ereticheskij Chajnik)	1
170	Yazvenko M.E. (Mikhail_32)	1
171	Sadomtsev A. (Artemucho)	1
172	Kim V.V. (Victory13KiVi)	1
173	Pupkin (ChK2026)	1
174	Murlyk M.M. (Myau Murych)	1
175	Terekhov A. (terekhovart)	1
176	Ponurov A. (ppurumm)	1
177	Lishafaev D.A. (ZnOKs)	1
178	Nebol'sin N.A. (Gripenll)	1
179	Toymyradova T.T. (Tazegul06)	1
180	Khakhulina E.V. (Akulina)	1
181	Eliseev (Jaiden)	1
182	Kunitskiy T. (eksayn)	1
183	Del'man R.S. (GobaBoba)	1
184	Margaryan G.Kh. (margaryan_g)	1
185	Palilova V. (_i_n_s_s_)	1
186	Anastasiya T.S. (AnastasyaT)	1
187	Chastova E.A. (Kate44)	1
188	Ponomarenko A. (Al'bertPonomarenko)	1
189	Novoselova V. (NovVik)	1
190	Filonenko A.D. (AlinkaBlinkaaa)	1
191	Anisimova (manisimova)	1
192	Koreshkov S.I. (skoreshkov88)	1
193	Makhkamov M.B. (Magamomed)	1
194	Ivanova (Mauri66)	1
195	Sergeeva S.V. (Svetlana S.)	1
196	Smirnov (Nightcxrx)	1
197	Yukhnevich M.V. (TOP4k)	1
198	Zhestkov K.D. (zest1)	1
199	Agzamov A.V. (quoriii)	1
200	Khamatova S. (devmode1)	1
201	Unregistered	39

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