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November 11, 14:46 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	Gitinomagomedov (gmansur88)	4			3	4
2	Matveeva O.N. (Olga_Matveeva)	2	2	6		3
3	Sh S. (junopark1)	1	1	85		3
4	Ivanova O.N. (olga_ivanova)	1	1	-16		1
5	Nikolaeva M.Yu. (mrooozzz)	1	1	11		1
6	Rybin D.Yu. (Bill44)	1			1	1
7	fafaf A.F. (ldasofdalfal)	1					ban	ban
8	Burtonov A.V. (tak to)	1					ban	ban
9	Drugin D.D. (Ya_v_KS_a_Ty_V_ChS)	1					15	26
10	Kykolnikov (Krasaucheg1111)	1					ban	ban
11	Bulychev A.M. (Lexa4_Ovsk)	1					15	26
12	Kovrigina K.D. (Kovrigina Kristina)	1					15	26
13	dada D.A. (adasdada67)	1					ban	ban
14	Sergeev S.S. (boca123)	2					15	25
15	Barausova E.A. (kata)	1					15	25
16	Krasko (KKA45)	1					15	24
17	Lyutikov K.I. (KotLut)	1					15	24
18	dada D.A. (adasdada6767)	1					ban	ban
19	fsfsfsf F.F. (vsfsfsfs)	1					15	24
20	fsfgsf S.F. (ffssfsf)	1					15	23
21	Testov (vvvmmp)	1					15	21
22	fsfgsfada S.F. (ffssfsfada)	1					10	20
23	Gubajdullin V.V. (Vadimka504)	1					14	19
24	Prokhorov V.D. (Mc_vyrda)	2					15	18
25	Aberyasev A.N. (ALEXABER)	1					15	18
26	Matush D.A. (Eruk25)	1					15	18
27	ivan (ivan_tea)	1					10	17
28	Grecu A.N. (artacsercs)	1					12	15
29	Khomenko-Sorokina I.A. (Khomenko-Sorokina I. A.)	1					9	14
30	Teplov (Jules Winnfield)	1					ban	ban
31	Vereschaka A.A. (verandoff)	1					10	13
32	Bokarev (Kiltoniel)	2					8	13
33	Misharin S. (xashmare)	2					7	11
34	Karvanen M. (Maksim Karvanen)	1					7	11
35	D (k9876)	1					8	10
36	Verenich V.N. (VerenichVN)	1					6	10
37	Myakishev M.N. (iuiui)	1					ban	ban
38	Lomov R.V. (Silverom)	1					5	10
39	Mekhtieva M. (Milada12213443)	1					ban	ban
40	Ajtenov N.A. (NikitaAyy)	3					8	9
41	Rybkin A.A. (v01ger)	2					7	9
42	Zhiganov A. (alex123123123123)	1					7	9
43	Egorov (I_Love_Memosiki)	1					7	9
44	Khopta A. (APetroWhich)	2					5	8
45	Piskunov D.D. (Mortuis)	1					5	8
46	Branashko D.V. (Dmitriy_Branashko)	1					4	8
47	pyatkin P.P. (sfdfdbhgbm)	3					6	7
48	Yuldasheva (Saodat111)	3					6	7
49	Stafeev D.A. (stafens)	2					6	7
50	Poliakov O. (0leg0602)	2					6	7
51	Seytmuratov D. (Dawlet)	2					6	7
52	Gur'ev A.V. (goose78)	1					6	7
53	Droba M. (_m_s_d_)	1					6	7
54	Shakirov A. (ponchik111)	1					4	6
55	titov I.A. (enotikF)	3					5	5
56	Gasymov R.V. (Nosok2003)	2					5	5
57	Artemov (Vladimir Artemov)	2					5	5
58	Dozmorov (DASAD64)	1					5	5
59	Kokorev V.A. (k.valery)	1					5	5
60	Mikityuk A.A. (anastasia0114)	2					4	5
61	Najmushin R.A. (maka16541654)	1					4	5
62	Golobov (rbp)	1					4	5
63	EDEWRW (Lunaticpuppet)	1					4	5
64	Zakharova K.A. (katya333)	2					3	5
65	salmanov (onlu)	1					ban	ban
66	Tsapiev D.N. (Sambarling)	1					3	5
67	Cherkasov A. (alex-sandro)	3					2	4
68	Nedospasova D.A. (JSgirl)	1					2	4
69	Belyaeva (Lyu2)	1					2	4
70	Shumskaya A.O. (Anya.a.a.a.a)	1					2	4
71	Kislyakov (grkis)	1					2	4
72	nevelarova L.A. (nikel')	1					ban	ban
73	Bakh O. (BOl'ga)	1					2	4
74	Yefanova M.Y. (mari_5)	2					3	3
75	Hasan J. (Ashik17)	2					3	3
76	Grigor'ev M.A. (GrigorevMaximAndreevich)	2					3	3
77	Dzoldasbekov N.C. (yruma)	1					3	3
78	Deev A. (Grimmy)	1					3	3
79	Rysev N.S. (AnarKiq)	1					3	3
80	Izmailov (liveSql897698)	1					3	3
81	Lopatin D.A. (charlie_sadizt)	2					2	3
82	Korshunov D.D. (datkor)	1					2	3
83	Gromov M.A. (2331Mishanya)	2					2	2
84	Schuchkina (NadyaShu)	1					2	2
85	Ivanova E.S. (Upss321)	1					2	2
86	Bol'bot (lmalborought)	1					2	2
87	Levada S.B. (LevadaSvetlana)	1					2	2
88	Pitcil (fallsin)	3					ban	ban
89	hozoy Y.Yu. (yozoh)	3					1	2
90	Egorova A.G. (Ange_good)	3					1	2
91	Zolina (nyvmicha)	2					1	2
92	Trofimov D.V. (bongO1896)	2					1	2
93	borisov A.N. (borftn)	1					1	2
94	Tikhomirova Yu. (YUz_)	1					1	2
95	Ushakov S. (MoyPsevdonim)	1					1	2
96	Tolonbaev Zh.T. (6o6ocuk)	1					1	2
97	zhiltsov (flugersql)	1					1	2
98	Andreeva P.A. (Polina Andreeva)	1					1	2
99	Neskazhu (lafffaic)	1					1	2
100	Cherednichenko Yu.V. (Kottosh)	1					1	2
101	Rajskij (faust nebail)	1					1	2
102	Olejnikova M.A. (Mariya Olejnikova)	1					1	2
103	Zemlyakova A. (zeml_av)	3					1	1
104	Zhabina I.S. (Irina Zhabina)	2					ban	ban
105	Korbut V. (Vargengen)	2					1	1
106	Vinogradova (Margo456)	2					1	1
107	Akim D.K. (haizn)	2					1	1
108	Khmel'nov S. (EnjoyTheSilence)	2					1	1
109	svetliy (svetloooo)	2					1	1
110	Kisun'ko A. (kisun'ka)	2					1	1
111	Toymyradova T.T. (Tazegul06)	1					1	1
112	Rybakova M. (Mashka10)	1					1	1
113	Prokhotskij D.V. (Dmitry000007)	1					1	1
114	Kovalenko S.S. (Guzlik&SQL)	1					1	1
115	Solovyov G. (WebRaven)	1					1	1
116	Nudnaya M.P. (Kolyuchka)	1					1	1
117	Kurochkin P.A. (qwrqwr)	6
118	Markin N. (Qmaro)	3
119	Baukina E. (Yo88)	3
120	Sukhanov E.S. (stdnt091)	3
121	Romanyukin (Brawlz)	3
122	Orlov E.R. (efor27)	3
123	Shibaev (saah)	2
124	Krasovskij E.A. (pegoopik)	2
125	Boldyreva A.A. (nastya-moreva)	2
126	Nereshav V.V. (GnomSql)	2
127	Pugovkin N. (Sergeich321)	2
128	Zubakina (Iverness)	2
129	Popova (nataSF_sql)	2
130	Safronov P.A. (Paulus73)	2
131	Sobachkin A.F. (Al_Wolf)	2
132	Semenov (asv_1)	2
133	guru (rgcust)	2
134	tkachenko (NotFufx)	2
135	Alpanov D.A. (Vergiliy_0497)	2
136	Moiseev R. (ntgolda)	2
137	Yarotskij A.I. (Lenge)	2
138	Korovin (eeeeeeeeeeeeeeeeeem)	2
139	Aldiyar U.N. (rooke-)	2
140	Brezhneva L. (liudmilabrezhneva)	2
141	D (alexeyd_d)	2
142	Pettsol'd Ch. (Noooooooooooooooo)	2
143	Kachnov R. (warik)	1
144	Koptel'tsev V. (selber)	1
145	Ubajdullaev A.A. (Arslan16021992)	1
146	Rusak A.A. (Sayroos)	1					ban	ban
147	SaiKarthik C. (SaiKarthik)	1
148	Bas (mashyt1)	1
149	Forza (BrningChrome)	1
150	Khemraev A.I. (AzamatKhemraev)	1
151	TsU (Sergi884)	1
152	North D. (Lux_portantes)	1
153	Miron U.O. (Ovonel)	1
154	Galstyan (PandaWOW)	1
155	Takhan D.T. (Dulat_Takhan)	1
156	Tsybin A.V. (magicdragon)	1
157	Panicheva V.D. (_Vika_)	1
158	Aro E.F. (Ekaterina Araud)	1					ban	ban
159	Nikolaev A.N. (AlexeyHeizenberg)	1					ban	ban
160	Sarkis'yan G. (gennadi_s)	1
161	Pavlov I.A. (WhiteCat110)	1
162	Torn (Dzimey)	1
163	Kolosov D.V. (deberc)	1
164	Kukushkina A.D. (kukushan07)	1
165	Roman'kov D.V. (Daodmitry)	1
166	P I.*. (IrinaPetr)	1
167	R. (Wra1th)	1
168	Artyomov (VovaArt)	1
169	Redina (yuliya87)	1					ban	ban
170	Ovchinnikova N. (studentNA)	1
171	Maratov O. (spoer)	1					ban	ban
172	Akameeva S.V. (SVA1)	1
173	Muftiev I.N. (imncoder)	1
174	Mironenko O. (Ol'ga Miro)	1
175	Seregin (sk15)	1
176	Aleksandrova T.I. (vgik-t2000)	1
177	Basov V.A. (vadim_basov)	1
178	Lesnikova A. (nebulaX365)	1
179	Kiselyov V.O. (alohavladimir)	1
180	Vasil'ev (GudiniMoonlight)	1
181	Vor (Daschutka)	1
182	New R.G. (newLogin)	1
183	Nesterov D.A. (saha909)	1
184	Drobkov (uwen)	1
185	Gladkov D.E. (Horor39)	1					ban	ban
186	Puchkov N. (Keellit)	1
187	Yukhnevich M.V. (TOP4k)	1
188	Mishenev M.M. (Mishenev Mikhail)	1
189	Knyazhev A.D. (lominos)	1
190	Ustinov L.A. (Randar)	1
191	Andrusenko E.S. (Ekaterina Andrusenko)	1
192	Klokov V.A. (vlcl3)	1					ban	ban
193	Yashina A. (k4litushka)	1
194	Efimova K.I. (flowuuup)	1
195	Smirnov D.P. (sdnl000)	1
196	Tihomirov N.V. (Tetr654)	1
197	Smirnov M.A. (Omellou)	1
198	Selivankin M.V. (MikhailSelivankin)	1
199	Sechnoj A.K. (Sechnoj Andrej)	1
200	Panfilov (Nosorogik)	1
201	Ganichev I.S. (Grob228)	1
202	Kharitonova E.S. (katerina77)	1
203	Tomashevich M. (hutaru.3)	1
204	Grigorovich D. (Yaponskij Bog)	1
205	Kukushkin A.A. (KukushkinAA)	1
206	s P.V. (Pullecino)	1
207	hydra (bxnf1re)	1
208	Utkin (almazz_3)	1
209	Xudaibergenov R.Q. (Rinat2007)	1
210	Mochalov D. (delof)	1
211	Chajkov I.V. (Lokhmatyj gnom)	1
212	Dosmukhambet (mirmlo)	1
213	Zhukov A. (Alex5961)	1
214	Gur'ev A. (gorgor)	1
215	Beck (maria_10)	1
216	Fomicheva (pppolinaaa)	1
217	bjalkovskaja K. (lisa-gerard-depardje)	1
218	I G. (Gregory_58reg)	1
219	Avdoshina A.E. (AngelinaAvd)	1
220	vohidov A.A. (abdukholiq)	1
221	Filippova K. (tvnk)	1
222	Gudozhnikov (LEXA RUBAK1)	1
223	Omarov N.Y. (nurs12qwaz14)	1
224	meirambekov T.M. (insomnia666)	1
225	Denisenkov I.A. (Interpol18)	1
226	Shestakova V.A. (ada.core)	1
227	Golikov S.Yu. (makinwin08)	1
228	Laptsevich A.D. (Zamiokulcas)	1
229	Antonenko M.A. (Pat1son)	1
230	Likhtinshtejn (nnpl)	1
231	G (Sahishn)	1
232	Vojnich (vadimazzzz)	1
233	Abdinabi A.A. (Abo_khan)	1
234	trifonov (pteamofey)	1
235	Pupkin A.V. (ponedelnik_11_2)	1
236	Markov A.V. (_MaRoKoR_)	1
237	Tikhonenko O. (KopytoBobrov)	1
238	Zhuravlev A. (Nat3)	1
239	Nikolaenko E.P. (lena_pena)	1
240	Lubinskij E.E. (VibeCODEr07)	1
241	Balandin M.K. (mbalandin)	1
242	OS A.A. (fur23000)	1
243	Felinskaya M.R. (marsh00987654)	1
244	Unregistered	44

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