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November 13, 14:05 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	Radkovich V.I. (Vlaid)	1			7	13
2	Kovtun A.Yu. (sillygoosegagaga)	1			4	8
3	Tihomirov N.V. (Tetr654)	1			5	7	1	2
4	Sh S. (junopark1)	2	2	88		6
5	Gusev A.O. (NowOrNever)	1	1	71		3
6	Nikolaeva M.Yu. (mrooozzz)	1	2	13		2
7	Matveeva O.N. (Olga_Matveeva)	1	2	11		2
8	Chastova E.A. (Kate44)	1			2	2
9	Iutinskij D.E. (dimaiuuu)	1			1	2
10	Tsybin A.V. (magicdragon)	1	1	51		1
11	Solis D.I. (silenced)	1			1	1
12	Melkumyan (ragezz)	1					25	35
13	Pryamikov D.N. (loralgris)	2					20	30
14	Asyutin G.S. (gavriilasyutin)	2					15	27
15	Fajzulina S.Sh. (snejanna)	1					ban	ban
16	Demidova A.O. (Alexia75)	1					ban	ban
17	Kykolnikov (Krasaucheg1111)	1					ban	ban
18	Gubanova S.K. (domokwizz)	1					ban	ban
19	Lajlo M.V. (Lo.mila)	1					15	23
20	Osipov (miyko)	1					15	23
21	Bedretdinova A.I. (Adel'kaaaaaaaaaa)	1					ban	ban
22	Kovrigina K.D. (Kovrigina Kristina)	1					13	22
23	Yapparov D.M. (Dan'ka0228)	1					ban	ban
24	Sergeev R.R. (Rodion228337)	2					15	18
25	Chyornaya (sofi123456)	1					15	18
26	Borisova (JuBoris26)	1					9	18
27	Kozel V.D. (Valeriya Kozel)	3					10	17
28	Golubeva E.A. (GolubevaEA)	1					ban	ban
29	Korotetskaya A.V. (anastakv)	1					11	14
30	Oborin D.E. (Denis23453)	1					9	13
31	titov I.A. (enotikF)	1					8	13
32	Fedyunin D. (YasherDf)	1					9	12
33	Fedorkova D. (DariaFedorkova_IS224)	2					ban	ban
34	Kislyakov (grkis)	1					7	12
35	Andryushin L. (Vingael)	3					6	11
36	Krylov S. (xtendhoe)	1					8	9
37	Tereschenko D.A. (Dary1309)	2					7	9
38	Tikhomirova Yu. (YUz_)	1					4	8
39	Shirobokov D.E. (F4luckOff28)	1					4	8
40	osm A.O. (amiiiiiiiiiiiiiiiiiiii)	2					6	7
41	Zverev V.D. (Zverev_Kaelthas)	2					4	7
42	Pettsol'd Ch. (Noooooooooooooooo)	2					4	7
43	Egorov (I_Love_Memosiki)	1					5	6
44	Korovin (eeeeeeeeeeeeeeeeeem)	2					4	6
45	yakunin M.A. (durachyo)	1					4	6
46	Galeev I.O. (Gnom567)	1					4	6
47	Kashmilo A.A. (Bogankashtern^-^)	1					4	6
48	Vedernikova (laracroft)	1					4	6
49	Vyal'tsev G.F. (Jiu)	2					3	6
50	Gubajdullin V.V. (Vadimka504)	1					3	6
51	7shkin S.V. (Slavnik)	1					3	6
52	Krikov A.V. (sonikweawe)	3					5	5
53	Komarov I.A. (Not_name)	1					5	5
54	lysenkov (yageadvert)	1					5	5
55	Akkad (yusef)	1					5	5
56	Alekseev A.V. (Wandskape)	1					5	5
57	Pivovarov (gerpiva)	1					5	5
58	Grigor'ev M.A. (GrigorevMaximAndreevich)	3					3	5
59	Konoplev D. (dmitry_khv)	1					3	5
60	Klevtsov D. (HotDogMaster)	1					3	5
61	Nikitina (yusik_way)	1					3	5
62	Prutov G.G. (CuberWolf89)	1					4	4
63	Paramonova I. (Zerber17)	1					4	4
64	Selivankin M.V. (MikhailSelivankin)	2					3	4
65	Kuklin A.A. (jdun)	2					3	4
66	Sherstobitova D.V. (medny29)	1					3	4
67	Burov K.M. (gopher_)	1					2	4
68	Mazunina K.V. (kks67)	1					2	4
69	Petrov A.A. (onlydevops)	1					3	3
70	cr Z. (zzq)	1					3	3
71	Bur'yan N.S. (Mr_Xavaly)	1					2	3
72	Gribov K.A. (Gribov K.A)	1					2	3
73	Votinov V.I. (Vladick2222)	1					2	3
74	Khopta A. (APetroWhich)	2					2	2
75	Kuklina K.A. (Karrrina)	2					2	2
76	Ptashkina Ya. (Asteri)	2					2	2
77	Aleksandrova T.I. (vgik-t2000)	1					2	2
78	Ziganshina D.R. (Ziganshina Diana)	1					2	2
79	Meteleva A.V. (Meteleva Aleksandra)	1					2	2
80	Popova K.K. (Popova Ksyusha)	1					2	2
81	A (Vivivivivi)	1					2	2
82	Mikaelyan L.S. (ludaM)	1					2	2
83	Ivanova (s0nya)	1					2	2
84	Chistyakov N.R. (chistiakovN)	2					1	2
85	I G. (Gregory_58reg)	2					1	2
86	Seytmuratov D. (Dawlet)	2					1	2
87	Burtonov A.V. (tak to)	1					ban	ban
88	New R.G. (newLogin)	1					1	2
89	Poppp M.I. (Lololoshka1423)	1					1	2
90	Gajfullina (tavi777)	1					1	2
91	Krivets M.S. (Maria Krivets)	1					1	2
92	Zhuravlev F.I. (yngst6r)	1					1	2
93	Pastee (Pastee)	1					1	2
94	Yarotskij A.I. (Lenge)	1					1	2
95	Bakh O. (BOl'ga)	1					1	2
96	Gorbunova (Ustrohoy)	1					1	2
97	Gudozhnikov (LEXA RUBAK1)	1					1	2
98	Voronchikhina A. (NastyaVoron)	1					1	2
99	Kubasov D.M. (DenisDM348)	2					1	1
100	Polyakov I.Yu. (Igor_Polyakov)	1					1	1
101	Bakhareva (nezn-lena)	1					1	1
102	Dzoldasbekov N.C. (yruma)	1					1	1
103	U (DWJ)	1					1	1
104	Morozova T. (Inestry)	1					1	1
105	Smol'kin N.A. (LegBuzz1)	1					1	1
106	M (nekiwi16)	1					1	1
107	Vorob'eva A.S. (sunlight_98)	5
108	Zhuiko (glebo4ka)	3
109	Krasnov I.A. (Ilichkrasn)	3
110	Gitinomagomedov (gmansur88)	2
111	Lazukov A.L. (lazerpiu)	2
112	Aleksandrov D. (Gerostete)	2
113	r A. (arb_)	2
114	Smirnov A.E. (sa2sha)	2
115	Yakimov V.A. (Dead_Angel)	2
116	Filippova K. (tvnk)	2					ban	ban
117	Krutoj chuvak K.K. (Krutoj chuvak kha)	2
118	Filippova K. (ktr4ik)	2					ban	ban
119	Frolov (Elized12)	2
120	Shibaev (saah)	1
121	Kurochkin P.A. (qwrqwr)	1
122	Krasovskij E.A. (pegoopik)	1
123	t V.V. (vladimir t)	1
124	Barybin A. (qwisz)	1
125	Maksimova D.K. (mdasha)	1
126	Gapanovich P.A. (drestar1)	1
127	Kibyakov A.A. (AntonKib)	1
128	Rere WR Abid Abiyyu R.A. (RereUchiha)	1
129	Kalinov I.A. (Werner1989)	1
130	Gokhool B. (Ash20)	1
131	Vol'skij (volskyi)	1
132	Pugovkin N. (Sergeich321)	1
133	Shirokov (Yardius_)	1
134	Denisov D.V. (vutshyn)	1
135	Fedorov A.V. (Razorrzd)	1
136	Zubakina (Iverness)	1
137	Galstyan (PandaWOW)	1
138	Pavlov A.V. (LexPaulus)	1
139	Markova (Irena280880)	1
140	Sarkis'yan G. (gennadi_s)	1
141	Inochkin (TolikIn)	1
142	Orbodoev V. (concentrationmiddle)	1
143	Kurb D.D. (just one more bastard)	1
144	P I.*. (IrinaPetr)	1
145	Golovkin I.A. (GHOST2508)	1
146	R. (Wra1th)	1
147	Vaishlia S.V. (StefanTIH)	1
148	Maratov O. (spoer)	1					ban	ban
149	Dedyulin A.D. (ded_android)	1
150	Lomakov (DesRec)	1
151	Ryabinina I. (Iriska73)	1
152	Soryu A.L. (RemiliaScarlet3)	1
153	Ivanova E.I. (GoldOtta)	1
154	Bochkova (PunDora)	1
155	Krechetov D.V. (Rugby)	1
156	Romanov R.R. (Bypecker)	1
157	Kazantsev V.D. (kentiko_0)	1					ban	ban
158	Afanas'eva E.V. (cactysss)	1
159	Romanov N.A. (LgcCore)	1
160	Zhabina I.S. (Irina Zhabina)	1					ban	ban
161	Amburtsev A.A. (AlexanderAmb)	1
162	Ermakova M.A. (qazxswed)	1					ban	ban
163	Sechnoj A.K. (Sechnoj Andrej)	1
164	Ganichev I.S. (Grob228)	1
165	Andronov E.A. (Glecoe)	1
166	Katilov E.F. (kiprex)	1
167	Lidvina I.S. (korella)	1
168	Shvetsov K.V. (Vermillionik)	1
169	tkachenko (NotFufx)	1
170	Malygina E.A. (EAMalygina_)	1
171	Lunyov I.S. (mmoonna)	1
172	Khisamov E. (qwerty.py)	1
173	Pakhratdinova (kpakhratdinova)	1
174	Smirnova V.I. (Kivipti)	1
175	Derevnin V.O. (OUTERHEAVEN)	1
176	chelovek C. (ktotamam678)	1					ban	ban
177	Denisenkov I.A. (Interpol18)	1
178	Sigaev N.A. (SigaevNA)	1
179	ivan (ivan_tea)	1
180	Kisun'ko A. (kisun'ka)	1
181	Pushechnikova K. (kuo)	1
182	Ageev K.N. (konctantin13)	1
183	Kuzicheva N. (NatalliaKuzicheva)	1
184	Vashkevich (vshmx)	1
185	Ermakova O. (Olga Ermakova)	1
186	Rogachev A. (alex-way)	1
187	Galkin A. (Anton Galkin)	1
188	Tereschenko (sheepy-sheepy)	1
189	Gil'manova A.N. (aveliya)	1
190	Efremov M. (nevtrak178)	1
191	Shmeleva M.V. (MarinSh)	1
192	Unregistered	24

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