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September 22, 13:00 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)	2	1	71		3
2	Shibaev (saah)	1	1	86		2
3	Tsybin A.V. (magicdragon)	2	1	42		1
4	Sh S. (junopark1)	1	1	1		1
5	Nasyrkina E. (eleonnora12)	1					15	27
6	Amirov A.A. (Pablo67)	1					15	26
7	Dubaev Kh.A. (Dubaev)	1					15	26
8	Ajrapetyan A.V. (Mamkin_drifterrr)	1					15	26
9	xcvbn (xcvbhnjm)	1					15	26
10	Garejshina E. (solsticio)	1					15	25
11	Borisova V.G. (viola??)	1					15	25
12	Krotova D.S. (Krotova_Darya)	1					15	24
13	Rudakova S.E. (Sonya Rudakova)	1					13	24
14	Ismagilova A.N. (aalb)	2					15	23
15	Bazhenova Yu.I. (vintek_o)	1					15	23
16	Khandogina Z. (flazz)	2					15	22
17	Nazarov I.N. (NazVan)	2					ban	ban
18	Rakhmangulov D.T. (RDT)	1					15	22
19	Bulyga D.R. (DashaBul)	1					15	22
20	Kameneva N.P. (NataKam)	1					15	22
21	dfghj D.D. (cdfvghjkl)	1					15	22
22	Ostanina L.A. (Ostanina Luiza)	1					13	22
23	Belyaev E.O. (Egor Belyaev)	1					15	21
24	Pshenov (ktjybl)	1					15	21
25	Persikov T. (Toni6767)	1					13	19
26	Kemelbek Z.B. (zhannurkk67)	3					15	18
27	Zov (Dildobek1488)	1					15	18
28	Artamonova (mashst)	1					15	18
29	Neklyudov A. (Alen347)	1					14	17
30	Palagutin D. (danilllkkaaaa)	1					14	17
31	Davydov R. (roman.davydov)	1					10	17
32	Urakin A.V. (Selper)	2					13	16
33	Novoselov E.A. (Gora_novoslov)	1					11	16
34	Kasatkina S.O. (Kasatka_411)	2					10	15
35	Gajnitdinov E.M. (liberrcs)	2					11	14
36	korobovv K.K. (korobovv)	1					11	14
37	Ismailova A.I. (Nastya_Smail)	1					10	14
38	kononov M.A. (PyckuuHuk)	1					10	14
39	Bobrov M.A. (Bobrov Mikhail Alekseevich)	1					9	14
40	Garejshina (solsolsol11)	1					9	13
41	Popova D.D. (popovadarya27)	3					12	12
42	xcvbnm (rmklvc)	2					9	12
43	Teplyashin K.A. (Kirill2007)	2					8	11
44	Bolatov S. (BolatovSanzhar)	2					7	11
45	Sorokina E.S. (lzvtsrkn)	1					7	10
46	Kochetkov S.D. (Stepa345435)	1					ban	ban
47	Bekmaganbet K. (Bekmaganbet)	1					6	10
48	Moskalevets O.S. (MoS5k8)	1					7	9
49	Timofeeva U.A. (wrh)	1					7	9
50	Tarasov S.E. (Telion_2)	1					7	9
51	Dragun D.O. (Dmitry Dragun)	1					7	9
52	Marinich A.D. (nanushka48)	1					6	9
53	Zakharov A.E. (Landroni_1)	1					6	9
54	Shvedova S.S. (shvedova.ss)	2					5	9
55	Kulakov P.A. (NEPTUNE_)	1					5	9
56	Nechaev N.A. (BLESS_U)	2					8	8
57	Pumonov (7766655671)	1					6	8
58	gabit A. (araigabit)	2					5	8
59	Ivanov V.P. (ivanov_v.p.)	1					5	8
60	Spivak K. (KristinaSpivak)	1					6	7
61	Petrov D. (pdmitriy687)	1					ban	ban
62	Kreshenova A.D. (kreshenova.a)	2					5	7
63	Zhabina I.S. (Irina Zhabina)	1					5	7
64	Filonenko A.D. (AlinkaBlinkaaa)	1					5	7
65	Zamyatkin N.S. (MisterEblin)	1					4	7
66	Sidorova Yu. (yloko)	1					4	6
67	Zainullin O. (Zainullin)	1					4	6
68	NeSkazhu (kloaka)	1					3	6
69	Safargulova Ch.M. (miyami)	2					5	5
70	Belyankina V.O. (ViktoriaBelyankinaa)	1					5	5
71	Shikhalev (artemy1)	1					5	5
72	Davydova M. (Mariya1723)	2					3	5
73	Gasheev N.A. (je1mky)	1					3	5
74	Krinka A.A. (alnurio)	1					4	4
75	Doc S.S. (Slikfest)	1					4	4
76	Kravets V.A. (syktyvkrts)	1					4	4
77	Barashkin A.A. (conquru)	2					3	4
78	Vyuzhanin (Plashka)	1					3	4
79	Bayguchukova A.M. (ABayguchukova)	3					2	4
80	guru (rgcust)	2					2	4
81	Borisenkov D.V. (xuser)	1					2	4
82	ArsenalVItek V.V. (ArsenalVItekLOL)	1					2	4
83	Avpazkyzy A. (Ayaulymavpazkyzy)	1					2	4
84	Oliver (klavamish)	1					2	4
85	Dauren A.D. (kkhan000)	1					2	4
86	Alexeeva C.A. (alecamic)	1					2	4
87	Kazakova A.A. (KazakovaAA)	2					3	3
88	Tjurin V.A. (V.A.2812)	1					3	3
89	Kuznitsin L.M. (Kuznitsin_Lev)	1					3	3
90	Kolevatova E.A. (KaterinaKol)	1					3	3
91	Marudin A. (Toniomaro)	1					3	3
92	Sobachkin A.F. (Al_Wolf)	2					2	3
93	Shatilov V.Y. (Pypsik)	1					2	3
94	Krasnov A.A. (Nutr1k)	1					2	3
95	Dut O.A. (olga_dm_d)	1					2	3
96	linhcoder L.H. (linhcoder)	1					2	3
97	Samorodov V.O. (svo20m115)	1					2	3
98	Tyushnyakov S.A. (tserrgg)	3					2	2
99	Atkulova M.A. (m_atkulova06)	2					2	2
100	Ovcharenko E.V. (Skuldaft)	2					2	2
101	S (Tinkershock)	1					2	2
102	Mikhajlova S. (Sloechka)	1					2	2
103	Night W. (NightWalker)	1					2	2
104	Goldobin E.G. (prm259)	3					1	2
105	terkina K.-. (kterk)	3					1	2
106	Tsyrenzhapova N.A. (nomini)	3					1	2
107	Gonvharov T. (timurgoncharov)	2					ban	ban
108	Nasyrova (Alewa86)	2					1	2
109	Belyaeva E.V. (evb2555)	2					1	2
110	Ermachkov A.O. (Nividimka)	1					1	2
111	Shajkhitdinov (Selim2)	1					1	2
112	Kaschenko G.V. (mrWild178)	1					1	2
113	Kokorin (Eteroton)	1					1	2
114	Pupkin (ChK2026)	1					1	2
115	D'yachkova V.M. (vikauwz)	3					1	1
116	Alafaev M.K. (Zero_7692)	3					ban	ban
117	Afanas'eva M. (MaffkaVedma1234)	2					1	1
118	Sivovolov L.M. (SivLevSLM)	2					1	1
119	Abramenkova (muroni)	1					1	1
120	vorob (nikadema)	1					1	1
121	Berseneva T.M. (Bersa_3785)	1					1	1
122	Podgorodetskij (Dan_Pan)	1					1	1
123	Yolokhov (fazzone)	1					1	1
124	Moryakova A.I. (Nastyaney)	1					1	1
125	Mamaev A.D. (Portwine77)	1					1	1
126	Koptel'tsev V. (selber)	7
127	Kahtyurin S. (Sergey_KSA)	6
128	gerasimov (jdneerui)	4
129	Krasovskij E.A. (pegoopik)	3
130	Kuleshov (kd-1401)	2
131	Drozhzha D. (D-D-Drozhzha)	2
132	Petrov D. (Murcinhum)	2					ban	ban
133	Sarkis'yan G. (gennadi_s)	2
134	Grevtsov (imicom)	2
135	Ivanov I.I. (pasta123!@#)	2
136	Romanchuk I.A. (ial.romanchuk)	2
137	New R.G. (newLogin)	2
138	Kolganat A.S. (Kolganat)	2
139	Shkorba A.A. (SHKORBA95)	2
140	Galkina T. (Tarra)	2
141	nenene (scrapstation)	2
142	Williams B. (BW)	1
143	Ivanov A. (Aleksius)	1
144	Serikov E. (Push_okkkk)	1
145	Iskakova L.R. (liana_iskakova)	1
146	Ts (da.gluck)	1
147	Zajtseva A.Yu. (annie_z123)	1
148	Balakhnina A.N. (gomershand)	1
149	Dzhonson (Smet20)	1
150	Makharadze A. (armakharadze)	1
151	Tarasov S.E. (Telion)	1
152	Gladkov E. (Gozmo)	1
153	Shagalov O.L. (TTC)	1
154	Skelter H.H. (HelterSkelter)	1
155	Mamedov T. (tim234)	1
156	vsguliyev V.V. (vsguliyev)	1
157	Gusenov S.Yu. (Said_05)	1
158	Klishkov M.N. (Rover09)	1
159	Chalyj Yu.C. (ychalyy_23)	1
160	Nezhnik E.A. (necat)	1
161	Balgruf (Luka Poncic)	1
162	Potemkin (Yazon_79)	1
163	Kosarskij I.A. (gusarskiy)	1					ban	ban
164	Lyakhovskij (Pol9lk_3228)	1
165	Kovalyov R.A. (r0mch1ck)	1
166	Voronin A.A. (DandyDV)	1
167	Skokov B.S. (leks$$)	1
168	Rodin (uoloki)	1
169	Chumakov (kirian)	1
170	Oduvan I.S. (Lakomka)	1
171	P I.*. (IrinaPetr)	1
172	Ch V.Yu. (Kusik)	1
173	R. (Wra1th)	1
174	Pavel P.P. (familka)	1
175	Manatov I.A. (igrus)	1
176	Domashov A.P. (Hausov)	1
177	Khazieva V.Kh. (vasilek82)	1
178	Molchin A.V. (a_molchin)	1
179	Lysykh V.K. (Usilitel')	1
180	Chernova T. (Tat'yana Chernova)	1
181	Akameeva S.V. (SVA1)	1
182	droping (dewdapad)	1
183	Kovalev G.A. (gooocha)	1
184	Glushko S.Yu. (vechnojunior)	1
185	D Z. (wa1t8k0tt)	1
186	Leonov (aslnv1)	1
187	Safarov M.A. (quvibite)	1
188	Tugdumov B.B. (Badara_01341)	1					ban	ban
189	Bogatyrev N.V. (BNV2873)	1					ban	ban
190	- M.-. (sksksksk)	1
191	Kat N. (N!x)	1
192	Kertov (_KIM_)	1
193	Terekhov G. (H_Terehov)	1
194	Ivenin I.A. (Ivenin)	1
195	Sadomtsev A. (Artemucho)	1
196	Greenleaf E. (EstellG)	1
197	kofuku (Kofuku)	1
198	Saryglar (Daryma)	1
199	Morozova A. (Schwarze_Katze)	1
200	Po O. (ezhikfuf1)	1
201	Bogdanovskij I.A. (Ilya122121)	1
202	Reva S.I. (s.reva)	1
203	Nagibin M.A. (Nagibin_Mikhail)	1
204	Sofronov A. (SAstrateg)	1
205	Egorov P. (pevlik)	1
206	Sain T. (Temujin079)	1
207	Bumagin N. (BumaginNikita)	1
208	Kassymova M.M. (Kassymova)	1
209	Ushakov G.A. (Teachnolog)	1
210	Kulmakhan E.N. (Ernur Kulmakhan)	1
211	Alekseev N.D. (NikitaAlexeevD)	1
212	Kondrat'ev A.A. (k0nderr)	1
213	Kagarmanov A. (wwww12)	1
214	Gajnutdinov (AiratG)	1
215	Aslyasheva D.I. (Darina2007)	1
216	Allayarova E. (Alas_ka)	1
217	Lobachev I. (D4rk1ch)	1
218	Viktoriya (torifirsova)	1
219	Krekhno P.O. (PK17)	1
220	Faskhutdinov A.A. (sfiler)	1
221	Foster D.V. (srnody)	1
222	Doroshenko S.A. (OrYSlliu)	1
223	Kuznetsova A.S. (Annaanna__)	1
224	Tsyupko S. (tsvinner)	1
225	Kholina Kh. (anxol)	1
226	Gerasimov A. (Anarhoskagoth)	1
227	Saitov I. (ilya92S)	1
228	Ivanov D. (foxenberg)	1
229	Emel'yanov (Pechenyj kartofel')	1
230	sofiane (sofiane11111)	1
231	Spirin D. (jaraman)	1
232	Berezhnaia V. (Chamelia)	1
233	Lyakhov T.V. (Spooky8aba)	1
234	Unregistered	27

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