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November 10, 13:06 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	Lee (xexexexexe)	2			9	9	3	4
2	Sh S. (junopark1)	1	3	84		8
3	r A. (arb_)	1			5	7
4	Nikolaeva M.Yu. (mrooozzz)	1	4	8		6
5	Ivanova O.N. (olga_ivanova)	2	4	-1		5
6	Kuznetsova (Galen2102)	3			3	3	13	16
7	Popov M. (SeriousMike)	3			3	3	7	7
8	Shibaev (saah)	2	1	105		2
9	Dolgikh D.S. (dmitry5SQL)	2			1	2
10	Markin N. (Qmaro)	4	1	5		1
11	Akhadov A.R. (AlikhanDr0)	2	1	1		1
12	nevelarova L.A. (nikel')	1					ban	ban
13	Asyutin G.S. (gavriilasyutin)	1					15	26
14	Klevtsova V.A. (VaryaKL)	1					15	26
15	Rasov I. (ivanr12)	4					15	25
16	Sobitova (SBTV)	1					15	25
17	Anokhev G.A. (gleb2007)	1					15	25
18	Mekhtieva M. (Milada12213443)	1					ban	ban
19	Vinogradova (Margo456)	5					14	24
20	Bolobokhin M.M. (GABZAVR67)	1					15	23
21	Bolat A.A. (Aidyn122)	1					15	22
22	Denisov K.I. (Kirill000555)	3					11	19
23	Olejnikova M.A. (Mariya Olejnikova)	1					11	19
24	Anokhin G.A. (anat0lichch)	2					15	18
25	Dankov D. (davidiq)	2					15	18
26	Kozlov E.O. (egorkozlov)	2					15	18
27	Tkhorev (MrPryanik)	4					14	17
28	Novikov (Kira12341234)	1					12	16
29	almousa (Ghina)	1					ban	ban
30	Vakhromov (ivan393)	1					8	14
31	Gur'ev A.V. (goose78)	2					10	13
32	Tereshkov A.I. (alexsdgui)	1					8	13
33	Kaneva V.S. (kaneva2603)	1					8	13
34	Myau (faresick)	1					8	13
35	Vasilev V. (Valera2311)	1					ban	ban
36	Doronin (bkebab)	1					9	12
37	ivan (ivan_tea)	1					9	12
38	Zverev V.D. (Zverev_Kaelthas)	2					8	12
39	Aksyonov N.S. (hest4k)	2					8	12
40	Abimoldanova A.E. (Ichio)	2					9	11
41	Yarmolenko D. (dianayarmolenko)	2					9	11
42	Kovrigina K.D. (Kovrigina Kristina)	2					8	11
43	Fomicheva (pppolinaaa)	1					7	11
44	Gur'ev A. (gorgor)	2					6	11
45	Beck (maria_10)	1					6	11
46	Kislyakov (grkis)	1					6	10
47	Romanyukin (Brawlz)	1					8	9
48	Pronin I. (Milord)	1					7	9
49	Tikhomirov (TikhomirovEgor64)	1					7	9
50	Zholnerov A.P. (perelopacheno)	2					6	9
51	K (foarfece)	3					5	9
52	Epishin N.E. (sp1tea1)	2					5	9
53	Shafigullina L.M. (leisaf)	1					5	9
54	Zhuravlev (fakemink)	1					7	8
55	Gudozhnikov (LEXA RUBAK1)	1					7	8
56	Kormilin A.A. (Aleksandr Kormilin)	2					5	8
57	Khodakov ($win)	1					5	8
58	Kuzennaya U. (kuzennayaua)	1					5	8
59	Gayov G.S. (run9091)	1					7	7
60	Smit B.B. (Jsnx)	2					6	7
61	Kunafina R.R. (std_kunafina_ru)	1					6	7
62	mi216 J. (666jm)	1					6	7
63	Golobov (rbp)	1					6	7
64	Sheenkova V.A. (vittorriana)	1					5	7
65	Bogdanov I.E. (nine/saint)	1					4	7
66	Pozdnyakov P.A. (ktopix)	1					5	6
67	Antonov I.Yu. (mrgv96)	1					4	6
68	Khalyavin (vaserop)	1					4	6
69	Mironenko O. (Ol'ga Miro)	3					3	6
70	Bokarev (Kiltoniel)	3					3	6
71	borisov A.N. (borftn)	2					3	6
72	Cherednichenko Yu.V. (Kottosh)	2					3	6
73	Klindukhov S.M. (Amakhasla)	1					3	6
74	Prusikin (ankxxie)	1					3	6
75	Begim I.Z. (griem)	2					5	5
76	Temnikova K. (KarinaSergeevna)	2					5	5
77	Laptsevich A.D. (Zamiokulcas)	2					5	5
78	Pavlov I.A. (gnsn)	2					ban	ban
79	TMK (mari44tk)	2					5	5
80	Serazetdinov I.R. (IldarSerazet)	1					5	5
81	Klevitskij V.M. (VladislavKlev)	1					5	5
82	Nikolaev A.N. (AlexeyHeizenberg)	1					ban	ban
83	Lomov R.V. (Silverom)	1					4	5
84	Hasan J. (Ashik17)	3					3	5
85	Krasnov (Youter16)	1					4	4
86	Prokudin A. (prokusha)	1					4	4
87	Blektorn (William Blacktorn)	1					3	4
88	Branashko D.V. (Dmitriy_Branashko)	1					3	4
89	Savilova K.S. (savilovakss25)	1					2	4
90	Kim (geobukseon)	1					3	3
91	Ivanov I.I. (ivan228)	1					2	3
92	Bogomolov Yu.A. (tr7048)	1					2	3
93	Zakharova K.A. (katya333)	1					2	3
94	7shkin S.V. (Slavnik)	1					1	3
95	Golikov S.Yu. (makinwin08)	2					2	2
96	Tsarenko A. (carenko3)	2					2	2
97	Putilov (Sql12223)	1					2	2
98	Kustov M.V. (Armaturok)	1					2	2
99	Zolina (nyvmicha)	2					1	2
100	Burov K.M. (gopher_)	2					1	2
101	Filippova K. (tvnk)	2					1	2
102	Tikhomirova Yu. (YUz_)	1					1	2
103	Drozhzha D. (D-D-Drozhzha)	1					1	2
104	Aleksandrov D. (Gerostete)	1					1	2
105	Sorokin K.S. (Soge_King)	1					1	2
106	Shevko A. (neyana)	1					1	2
107	Khopta A. (APetroWhich)	1					1	2
108	Krivets M.S. (Maria Krivets)	1					1	2
109	Dubovskikh A.M. (lolocaha)	1					1	2
110	Rakhmatova E.D. (RakhEl)	1					1	2
111	Rasputin D. (dmitrirasputin)	1					1	2
112	Golubeva E.A. (GolubevaEA)	1					1	2
113	Koryakin V.V. (Gglglg)	1					ban	ban
114	Kykolnikov (Krasaucheg1111)	3					1	1
115	Smolka D. (GreenBro)	3					1	1
116	Fff (Ommm35)	2					1	1
117	Pavlova (ggyou)	2					1	1
118	Dmitriev A.A. (Tupsimple)	2					1	1
119	Derevnin V.O. (OUTERHEAVEN)	2					1	1
120	Nor N. (Nemanor)	2					1	1
121	Lesnikova A. (nebulaX365)	1					1	1
122	Zakharrow P. (debs cuci)	1					1	1
123	Stepanchuk D. (__Lonely__)	1					1	1
124	tkachenko (NotFufx)	1					1	1
125	Fomenko A.E. (AleksandrFomenko)	1					1	1
126	Zinchenko M.M. (Zinchenko Mariya)	1					1	1
127	Dudich N. (nikodud)	1					1	1
128	Krasovskij E.A. (pegoopik)	2
129	Gitinomagomedov (gmansur88)	2
130	Stepanov N.P. (Stepanov Nikita)	2
131	Bormotova K.V. (bormotova)	2					ban	ban
132	Bochkova (PunDora)	2
133	Vor (Daschutka)	2
134	guru (rgcust)	2
135	Vasil'ev V. (Valeriy123)	2					ban	ban
136	Kazantseva V.V. (lera22)	2
137	Moiseev R. (ntgolda)	2
138	Matveeva O.N. (Olga_Matveeva)	2
139	elinov N.O. (nikesnt27)	2
140	Gladkov D.M. (dqr)	2
141	Ivanov A.Yu. (ARtemIvanovIT3)	2
142	Farrakhov R.R. (rufarr911)	2
143	Rusinov N.Yu. (RusinovIT3)	2
144	Lopatin D.A. (charlie_sadizt)	2
145	Kinyov I.E. (Villzonhal)	2
146	Dzoldasbekov N.C. (yruma)	2
147	Antonenko M.A. (Pat1son)	2
148	Andrej (skvotoss54)	2
149	Koptel'tsev V. (selber)	1
150	igo I. (igogoblin)	1
151	Chan Kh.N. (ChanNgok)	1
152	Abilkaiyr B. (birzhan12)	1
153	Boldyreva A.A. (nastya-moreva)	1
154	Frolov K.A. (Murderface_)	1
155	Vinnie G. (boy_next_door)	1
156	Radmirko A. (Radmirko)	1
157	Kuritsyn V.N. (ValNick)	1
158	Mamaraimov S. (Saifullakh)	1
159	Zubakina (Iverness)	1
160	Ivanov I.P. (Milwa)	1
161	Serbinova V. (Wellanell)	1
162	O (janeoosql)	1
163	Trushkova E.M. (katiatru)	1
164	Sarkis'yan G. (gennadi_s)	1
165	Serov Yu.A. (Yuriy2005)	1					ban	ban
166	Golovkin I.A. (GHOST2508)	1
167	R. (Wra1th)	1
168	Belyaeva (Kuzyaka)	1
169	Maratov O. (spoer)	1					ban	ban
170	Derakova A.M. (your_weakness)	1
171	Galechyan A.S. (Ghalechyan)	1
172	Seregin (sk15)	1
173	Lena (i_am_pine)	1
174	Safronov P.A. (Paulus73)	1
175	Spassk A. (Alek$)	1
176	Tsaryova Ya.A. (KooYan)	1
177	Barabulya A.V. (an0ni)	1
178	Kiselyov V.O. (alohavladimir)	1
179	Tugdumov B.B. (Badara_01341)	1					ban	ban
180	Kornienko (Ivan Kornienko)	1
181	Stash A.A. (Aminat)	1
182	Owl T. (Tony_Owl)	1
183	Soryu A.L. (RemiliaScarlet3)	1
184	Nesterov D.A. (saha909)	1
185	Ivanov (denisssss1234444)	1
186	Andreev K.A. (sun1zu)	1
187	Faskhutdinov A.A. (sfiler)	1
188	Amburtsev A.A. (AlexanderAmb)	1
189	Panfilov (Nosorogik)	1
190	Aksenova (bludypypy)	1
191	Smirnov P.A. (SmirnovPA)	1
192	Bagaeva I.G. (Irina22222)	1
193	Samarin (gooooose)	1
194	Vladimir (Velveto4)	1
195	Pinchuk E.A. (chuk4a)	1
196	dubrovskaya M. (maria dubrovskaya)	1
197	tututu P. (Ajranchik)	1
198	. .... (polytapir)	1
199	Elovikov V.N. (Barrn1)	1
200	Prokop'ev A.P. (Mortra)	1
201	Semenischeva N.A. (NataliaSSS)	1
202	marat M.F. (Marat Fotin IT7)	1
203	Mityushin M.K. (maksimmityushin)	1
204	vedrov (ivan123123)	1
205	Lepikhin K.V. (Kirill Lepikhin)	1
206	Santos (fmariets)	1
207	Vitv Ch.L. (Ochochoch)	1
208	I G. (Gregory_58reg)	1
209	Semin A.S. (AleksanderSemin)	1
210	Novikov A.D. (artem_novikov)	1
211	artem (ptlcm)	1
212	D (k9876)	1
213	Kovalenko S.S. (Guzlik&SQL)	1
214	Voron M.Ya. (Ya1abuba)	1
215	Mangirova (boredom_)	1
216	Permyakov E. (srakaeb1488)	1
217	Antipin D.K. (Antipin67)	1
218	Vitukhina A. (nastenanorm)	1
219	Bulychev A.M. (Lexa4_Ovsk)	1
220	Baranov D.A. (chumazzzi)	1
221	Efremov A.V. (artem_efrem0v)	1					ban	ban
222	Mamedova N.F. (AsteriaVesper)	1					ban	ban
223	Bedretdinova A.I. (Adel'kaaaaaaaaaa)	1
224	Omarov N.Y. (nurs12qwaz14)	1
225	Zemerov V.V. (zelodya)	1
226	Egorova A.G. (Ange_good)	1
227	Gorbanenko K.D. (Kirillk)	1
228	EsKyuElev (Garik-M)	1
229	qq (Steralka)	1
230	Sobolevskaya D.A. (miraimirai)	1
231	Filimonov V. (AlmiF)	1
232	riot R.R. (riot_pass)	1
233	Rasov I. (otec_SUBD)	1
234	Barsov A. (Alex Barsov)	1
235	Talgatuly D. (didartopchik)	1
236	Relikov D.E. (nextPal)	1
237	Mar S. (Shlapa111)	1
238	qw Q.W. (eger2e32332)	1
239	Shvarkunov V.V. (v-shvarkunov)	1
240	Golub O.A. (OAGOLUB96)	1
241	Bazarov A.R. (arbazarov)	1
242	Timoshenko A.V. (smbbae)	1
243	Bobylev D. (Mr.Shuman)	1
244	Tret'yakov E.S. (luckerock1)	1
245	Borodin A.A. (Restless-spy)	1
246	Ayat (ayat_45)	1
247	Unregistered	35

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