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November 14, 19:11 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	Cool A. (Zigmund)	2	4	5		5
2	r A. (arb_)	1			2	4
3	Sh S. (junopark1)	3	1	89		3
4	O (janeoosql)	1	1	43		2
5	Iutinskij D.E. (dimaiuuu)	1			1	2
6	Markin N. (Qmaro)	4	1	50		1
7	Matveeva O.N. (Olga_Matveeva)	1	1	12		1
8	Gazaloeva Kh.R. (Khava)	1					ban	ban
9	Kozlov E.O. (egorkozlov)	2					15	26
10	Perepelitsa S.A. (velsi)	1					15	26
11	Prokhorov V.D. (Mc_vyrda)	1					ban	ban
12	Vasil'ev (Valera2878)	1					15	26
13	Golubeva E.A. (GolubevaEA)	2					ban	ban
14	Asyutin G.S. (gavriilasyutin)	4					ban	ban
15	Osipov (miyko)	2					15	24
16	Ermakova M.A. (qazxswed)	2					ban	ban
17	Kopylova S.A. (Loshara_ru)	1					15	23
18	Olejnikova M.A. (Mariya Olejnikova)	1					15	23
19	Bakhtiyarova A. (Asya8)	1					12	23
20	Pustosmekhov M.S. (mihail301)	2					15	22
21	Bajraktar A.I. (DozenZozen)	1					13	20
22	Kashin I.V. (ikashin)	1					10	20
23	Myl'nikova Zh. (Zhanett)	2					16	18
24	Yudakhin D.I. (Yudakhin Dmitrij)	2					15	18
25	Karvanen M. (Maksim Karvanen)	2					ban	ban
26	Gubanova S.K. (domokwizz)	2					ban	ban
27	Falaleev R.A. (rmnflv)	2					10	13
28	Filippov D.A. (Daredev11)	2					9	12
29	Ivanova (s0nya)	2					9	12
30	Pryamikov D.N. (loralgris)	1					8	11
31	Vinogradova (Margo456)	3					7	11
32	Fajzulina S.Sh. (snejanna)	2					ban	ban
33	Amogusov A.A. (amogusamogus)	2					6	10
34	Solov'ev P.A. (Pavlinxi)	2					7	9
35	Sergeev S.S. (boca123)	1					ban	ban
36	Andrey A.A. (AndreyAndrey1980)	1					7	9
37	Zhizhilev A.S. (artembrbrbr)	1					5	9
38	Najmushin R.A. (maka16541654)	1					5	9
39	Matush D.A. (Eruk25)	1					5	9
40	Vas E.N. (kortez39)	6					8	8
41	Gorbachevskaya S.S. (sfesk)	1					7	8
42	Partenadze T.N. (Knux)	1					7	8
43	Romanov N.A. (LgcCore)	1					4	8
44	Lomov R.V. (Silverom)	1					4	8
45	Kuklina K.A. (Karrrina)	1					4	8
46	Nagaev V.A. (vled228)	2					6	7
47	Strel'tsov S.D. (pxbn)	2					6	7
48	Nikiforov D.I. (7xxnine)	2					6	7
49	Dolgikh A.N. (sasha52)	2					6	7
50	Krinitsyn M.V. (aveng12)	2					6	7
51	Fyodorova A.A. (Yanastyaa)	2					6	7
52	Zhuravlev I.P. (z0mb1e196)	2					6	7
53	Vorob'yov N.N. (A777MR777)	1					6	7
54	Podkovyrin A.A. (lexus3107)	1					6	7
55	Korelina A.D. (ssssstasy)	1					6	7
56	Abdurasulova M.V. (Masha2Rublya)	1					6	7
57	Kozodoj V.A. (vika196)	1					6	7
58	Familiya I.O. (sqlkoko)	1					ban	ban
59	D'yakov A. (SovaManager)	1					6	7
60	Lol D.F. (Tolyan67)	2					5	7
61	. .... (polytapir)	2					5	7
62	Kolesnyk (SeVi4NeT1)	1					5	7
63	Khopta A. (APetroWhich)	1					4	7
64	Galeev I.O. (Gnom567)	1					4	7
65	Serkov (TFD_131)	1					4	7
66	Shinkevich I.V. (aivan96)	3					4	6
67	zxc42 4.C. (zxc42echo)	1					ban	ban
68	Khrapov N. (sfarbuzer)	3					3	6
69	Kukushkin A.A. (KukushkinAA)	2					3	6
70	Meteleva A.V. (Meteleva Aleksandra)	1					3	6
71	Popova K.K. (Popova Ksyusha)	1					3	6
72	Fedorov I.D. (Dieosocoe)	3					5	5
73	Sidoruk K. (itsmk)	2					5	5
74	Romanova E.E. (refoxre)	2					5	5
75	loov (NikitaL12)	2					5	5
76	Luzina M. (marialuz2006)	2					5	5
77	Huryanchyk A. (Goose&Duck)	2					5	5
78	kovalenko i semenov Zh... (mrdzhivik)	2					5	5
79	Bazzayev A. (Hsar)	2					5	5
80	Vlasov M. (Pierre Dunn)	2					5	5
81	Poletov T. (Li0ko)	1					5	5
82	Palazzo (Leandro Palazzo)	1					5	5
83	Mosunova E.A. (Ekaterina2006/)	1					5	5
84	Zumerova A. (lolkek13122006)	1					5	5
85	Djbu G.A. (shrkfrd)	1					5	5
86	Meshcherskikh V. (Valeria_M_2006)	1					5	5
87	Poveda A.V. (povedaAV)	1					5	5
88	Zubov O.S. (Ayanamyd)	1					5	5
89	Ivanova S.A. (syxarekk)	1					5	5
90	Shirobokov D.E. (F4luckOff28)	1					3	5
91	Ivanov (Lifon)	1					3	5
92	Taratorkin M.A. (lewistwelve)	2					4	4
93	Baimaganbet I.A. (Ilyas_sql26)	1					3	4
94	Lebedev A. (Vodooaxe)	1					3	4
95	Kabanov N.D. (sumatoky)	1					3	4
96	Kozel V.D. (Valeriya Kozel)	1					3	4
97	Skryabin D.A. (kotsuro)	3					2	4
98	Zolotarev M.A. (MaksimZ0l0)	2					2	4
99	Akim D.K. (haizn12)	2					2	4
100	Batalova M.I. (Fyasilka)	1					2	4
101	Kiselyov V.O. (alohavladimir)	1					2	4
102	kn (mmm0101)	1					ban	ban
103	Ivanov (0Tim)	1					2	4
104	Krivets M.S. (Maria Krivets)	4					3	3
105	M (m_al)	1					3	3
106	Safin A. (OgdoBogdo63)	1					3	3
107	Chebaev D.O. (firgost)	3					2	3
108	Yarotskij A.I. (Lenge)	1					2	3
109	Bochkova (PunDora)	3					2	2
110	Shebunov A. (shebunovayu)	3					2	2
111	Akimova E.N. (Katrin_A91)	1					2	2
112	Bugretsov (jbeb77)	1					2	2
113	Byzova M.A. (m1145)	1					2	2
114	Mikhailov (Bogdan29)	1					2	2
115	Narkevich K.P. (Kirill Lirik)	3					1	2
116	Kykolnikov (Krasaucheg1111)	3					ban	ban
117	Baj A. (uchis'_zhit')	3					1	2
118	Isakov I.A. (isakoviasql)	2					1	2
119	Oleg T. (Oleg_QA)	2					1	2
120	Rakhmatova E.D. (RakhEl)	2					1	2
121	Schepak V. (Valerij85)	1					1	2
122	Noskova D.I. (daho_n)	1					1	2
123	Ivanova E.I. (GoldOtta)	1					1	2
124	Kirieshka N.A. (nina3747)	1					1	2
125	Shevnin D.D. (danilsh)	1					1	2
126	Gajfullina (tavi777)	1					1	2
127	Belashkin I.A. (Tookser)	1					1	2
128	Lidvina I.S. (korella)	1					1	2
129	Zholnerov A.P. (perelopacheno)	1					1	2
130	Vinokurova E. (elsaelsa12)	1					1	2
131	Murashev A. (t3ma)	1					1	2
132	Artemov (Vladimir Artemov)	1					1	2
133	Polyushko V.O. (React001)	1					1	2
134	Fedyunin D. (YasherDf)	1					1	2
135	- -.-. (TheAnCored)	1					1	2
136	Blackwood T. (Buckiss)	2					1	1
137	Klishina L.K. (Liliya_Klishina)	1					1	1
138	Shamsiddinov Z. (Zaynob1999)	1					1	1
139	Misharin S. (xashmare)	1					1	1
140	Kerimkul N.K. (Nurmukhammed_01)	1					1	1
141	Shibaev (saah)	4
142	Vladimir V.V. (Vladimir23)	3					ban	ban
143	Kovtun A.Yu. (sillygoosegagaga)	3
144	Denisenko A.A. (Denisenco)	2
145	StepanGiga (StepanGiga)	2
146	Sarkis'yan G. (gennadi_s)	2
147	Golovkin I.A. (GHOST2508)	2
148	Myuller P.D. (growlerrr)	2					ban	ban
149	Shishova D.D. (doshiko)	2
150	tkachenko (NotFufx)	2
151	Zimin A.M. (AMZimin777)	2
152	Surmilov (snnnm)	2
153	Kozlov (Timur_Kozlov)	2
154	Mosteika M.J. (modeirmode)	2
155	Lvof A.V. (Lvof)	2
156	Yakovleva M.A. (masha098)	2
157	Kurochkin P.A. (qwrqwr)	1
158	Krasovskij E.A. (pegoopik)	1
159	L (lapa_87)	1
160	Belov V.A. (agent04)	1
161	Volkov S. (Wolf778)	1
162	Wie K. (wiekatarzyna)	1
163	Voronyuk A. (AnnVrn)	1
164	Soboleva R. (zSpiny)	1
165	Dolgov A.E. (Sasha_NVGU_2019)	1
166	Yurchenko A.A. (y.aleksandr89)	1
167	D'yachenko A.I. (Anka666)	1
168	Tulashvili (IR4KLI)	1
169	Senotrusova T.A. (baikalozka132)	1
170	Shabaev (SultanTravkin69)	1
171	Zhabrova I.S. (Irina_Ren)	1
172	Bogomolov D.B. (bdv86)	1
173	Demeshko N.A. (keepsme1)	1
174	Kiz E.A. (Kea23)	1
175	Alexeev V.A. (PUX)	1
176	Khrol N.S. (Natalia_Khrol)	1
177	Markova (Irena280880)	1
178	Rodichkin (pseudozzz)	1
179	Ulanova I. (Ulanova)	1
180	Kushnir S.A. (Wishmaster190281)	1					ban	ban
181	Chernyshov A.I. (Smile4321)	1
182	R. (Wra1th)	1
183	K Ya.A. (Iana88)	1
184	Kochnev (Tiponick)	1
185	Abramov V. (Privet ot Sashi Borovkova)	1
186	yan (raslrrrr)	1
187	ustyantsev D.V. (dimitryust)	1
188	Deva N.S. (nithin0303)	1
189	Erykalin (IJAKIBS)	1					ban	ban
190	zaitsev (Mr.Danil_SQL)	1
191	Dement'ev V.E. (Ferocid)	1
192	Pukhlikov M.A. (maxsql20)	1
193	Perets A.S. (Aperets1)	1
194	Shekhov M.A. (MaksS_10)	1
195	Vasil'ev V. (Valeriy123)	1					ban	ban
196	Fedchenko A.D. (EtoAleksandr)	1
197	Evdokimov A.A. (Dark_Tanyan)	1
198	Andreeva P.A. (Polina Andreeva)	1
199	Molodkin D.V. (DxnB)	1
200	Strakhova V.E. (VLDST)	1
201	Agal'tsev R.E. (Satokuson)	1					ban	ban
202	Belkov D. (Belkov2026)	1
203	Sherstobitova D.V. (medny29)	1
204	Baranov N.A. (n1kasesql)	1
205	Uglik G.I. (force7k)	1
206	Casian A. (Casand1)	1
207	Metreveli G. (gio777)	1
208	Pekarskikh O.V. (Fobia666)	1
209	Mikityuk A.A. (anastasia0114)	1
210	Demidova A.O. (Alexia75)	1					ban	ban
211	Balobanov (Vasykas)	1
212	Kozhaev I. (Ilyas09)	1
213	Popova E. (whotyc)	1
214	Anokhev G.A. (gleb2007)	1
215	Likhtinshtejn (nnpl)	1
216	Bulka V.I. (Bulka36)	1					ban	ban
217	Ermakova O. (Olga Ermakova)	1
218	romanenko V. (Roma3976!)	1
219	Tentacles A. (Amatoren)	1
220	Babaev D.S. (XSamurai1337)	1
221	Pan'kina N.E. (Blue_Stitch)	1
222	Chuvyzgalov A.A. (UNDREY56)	1
223	Galkina S.V. (sofiuschka)	1
224	Timaschuk (k0lua)	1
225	Kutnyashenko K. (Abenteurer)	1
226	Wieczorek P. (Papoti)	1
227	Unregistered	41

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