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August 24, 23:59 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	Vinogradova S.M. (Tigra1)	1	1	134		3
2	Skokov B.S. (leks$$)	2	1	42		1
3	Sharko Ya.V. (Engine22)	1	1	1		1
4	Markusov (mercurymoon)	1			1	1
5	Smirnova (Olga_Smirnova)	1					18	34
6	ankudinov (arseniyank)	3					15	26
7	Ivanov (chuvak_bob)	1					15	26
8	Sviridov A.A. (rosnidatvovni)	2					13	22
9	Serova M.M. (ssss.mmmm)	2					15	21
10	Konogorskij L.E. (konogorsky Leo)	1					13	21
11	Leonova A.A. (AngeLeo)	3					15	20
12	Koala2 (Koala2)	1					12	19
13	Sheimukhov (sheymuh)	3					15	18
14	Golotvina S. (sofasway)	1					14	17
15	Trishkova E. (elena_anima)	1					13	16
16	Sidorenko (Yulich)	1					12	15
17	Levin Yu.A. (pdestroyer)	2					8	13
18	Terekhov A. (terekhovart)	2					8	13
19	Korionova P.D. (Karina_fox_777)	1					8	13
20	Bonjovi (bomjour111)	1					8	13
21	Yusupova O. (Iusupova)	1					8	13
22	Zhur V. (mrvaroz)	2					7	12
23	Petrenko P.E. (Peafowl)	2					8	11
24	A (JohnnyData)	1					7	11
25	Borisov D.R. (Dmitry.Bo)	1					6	10
26	Tverdokhlebov D.S. (Danil_Bread)	1					6	10
27	Borodin A. (Rignar)	1					6	10
28	Kononova A.S. (anseko)	1					8	9
29	Laktionova N.V. (laktionovan)	1					8	9
30	Kitaev K.I. (Kostas1234)	1					6	9
31	lamer (-lamer-)	1					6	9
32	Gorodetska (yukasia)	1					5	9
33	Hope (Doemu)	1					5	9
34	Galanov V.Y. (RedRitter)	1					5	8
35	Shakhova M. (maydaymeow)	2					6	7
36	Sakreeva N.F. (sonat15)	2					6	7
37	Kobzeva D. (lindeur)	2					6	7
38	Kornienko M.A. (ErrM)	1					5	7
39	Vakulko A.V. (VAlexandrV)	3					4	7
40	Navitskas A. (Sana451)	1					4	7
41	Alibekov K. (forever_buumble)	1					4	7
42	Kulikov A.Yu. (Ondrata)	2					6	6
43	Myrkalykov (aslanbai)	1					5	6
44	Taurbek B.D. (Bagy)	1					4	6
45	Shagalov O.L. (TTC)	1					3	6
46	Sheludyakova (ShellSight)	3					5	5
47	Kejl D. (kdanl)	2					5	5
48	Lishafaev D.A. (ZnOKs)	2					5	5
49	Mescheryakova (loli_po)	2					5	5
50	Temlyakova (bibibi)	2					5	5
51	pinkman A. (asya pinkman)	1					5	5
52	Lugvischik (gopsweet)	1					5	5
53	Bychkou (rbychkou)	1					5	5
54	Gorov A. (AlexDeFenDeR)	1					5	5
55	FFF G.V. (fnbvcxz)	1					5	5
56	Sultanayeva (Lowlights)	1					4	5
57	sar G. (konick_gs)	1					4	5
58	Klishin (F P)	1					4	5
59	Isakov (Isak)	1					3	5
60	Lcdma (LCDM138)	1					3	5
61	lopin (koplopip)	1					3	5
62	Syrtseva V.A. (syrko)	1					4	4
63	Reva S.I. (s.reva)	1					4	4
64	Naumova M.A. (ArlianWolf)	1					4	4
65	Sergeeva L. (loserm)	1					4	4
66	Bulakhtin A.D. (R3Z1D3NT)	2					2	4
67	Bryukhanov A.N. (Antonus)	1					2	4
68	Kishkurno R.A. (Dyga)	1					2	4
69	Astrelina D. (smiling_corgi)	1					2	4
70	DMRITsD (TheCupOfMagic)	2					3	3
71	Sukharev A.S. (A_Greenberg)	1					3	3
72	Karniz V. (Realita)	1					3	3
73	Kadiev (Watermelon king)	2					2	3
74	Korolev R.V. (zouker)	2					2	3
75	LbIsy (Bla_Bla_2)	2					2	3
76	Kazantsev V.D. (kentiko_0)	1					ban	ban
77	Nikolaeva V.V. (@molly)	1					2	3
78	jadgfldsgf (jadgfldsgf)	1					2	3
79	Nasirov M. (M-nesir)	1					2	3
80	Oleinik V.M. (lllxxxlll)	3					2	2
81	Sidorova Yu. (yloko)	2					2	2
82	Tairov A. (2026atairov312)	2					2	2
83	test T.T. (yoyoja344)	1					2	2
84	Kukanov D. (kukish_)	1					2	2
85	a A.A. (rdctfvygbuhjnk)	1					2	2
86	underwood L. (larry17underwood)	1					2	2
87	Safonov (&rey80)	1					2	2
88	Ryabovskaya A.P. (anya_pro_spler_2004)	1					2	2
89	Basova (Marie_Mikey)	5					1	2
90	Kurakin I.K. (SJFY)	2					1	2
91	Ibo K. (Kemchik)	2					1	2
92	Woland (Wolandd)	1					1	2
93	Shinkevich M. (Gvat)	1					1	2
94	Myasnikova P.O. (Polinnn)	1					1	2
95	Tsarev O. (otnzxcvbnm)	1					1	2
96	Shakaryan B. (bogdanshakaryan)	1					1	2
97	Muratov D.A. (Enovostuck)	1					1	2
98	Khusnutdinov D.D. (Abdulxamid)	1					1	2
99	Kharisov A.Ya. (Azamat777)	1					1	2
100	Bogatyrev N.V. (BNV2873)	1					ban	ban
101	Ilina N. (lkjahfjkseb)	1					1	2
102	Yakovleva (nyans)	1					1	2
103	23 (ll23lll)	1					1	2
104	Lyakh (LinaL_)	1					1	2
105	Saukin U. (novichok_PA)	1					1	2
106	Bezuglenko (artem_enotenko)	1					1	2
107	Murlyk M.M. (Myau Murych)	1					1	2
108	T (TA_IIII)	3					ban	ban
109	Kanunnikov P.V. (Inoj777)	2					1	1
110	iVanov (john86)	2					1	1
111	Preobrazhenskiy K.A. (qzmeister)	1					1	1
112	ff F.F. (zima_b1lue)	1					1	1
113	Stytsyuk N. (natalia19930420)	1					1	1
114	l (loww)	1					1	1
115	Golyandina (nap@)	1					1	1
116	Leschenko (Verochka_21)	3
117	Sarkis'yan G. (gennadi_s)	3
118	Kokoulina E.A. (janekoko)	3					ban	ban
119	Kalen A.A. (Funfe)	3
120	Koptel'tsev V. (selber)	2
121	qwerrt W.Q. (alice5645)	2
122	Tsvetkova S. (swetlana0613)	2
123	nope (petop)	2
124	Khakhulina Yu.V. (element21)	2
125	Zaverschuk V. (kemma)	2
126	Semenov V. (Vasya92)	2
127	Gusev A.O. (NowOrNever)	2
128	Ageeva (Ush1m1ya)	2
129	Khabibullin A.R. (Aleksandr_Kh)	2
130	Nesterov D.A. (saha909)	2
131	Grigor'ev (DoM1NAtoR-RU)	2
132	gogov G.G. (krub)	2
133	Borovikova E.I. (Lizavetty)	2
134	Assan B. (Kizaru011)	2
135	Petrov A. (transkompleks)	2
136	Inozemtseva (Malutka)	1
137	Khripkov (@ndrey)	1
138	Sankevich (Don)	1
139	Shibaev (saah)	1
140	Kurochkin P.A. (qwrqwr)	1
141	Krasovskij E.A. (pegoopik)	1
142	Altashin S.V. (burrito)	1
143	keieiuty (keieiuty)	1
144	Zagorul'ko E. (Helen@)	1
145	Abramenkova (muroni)	1
146	Emelin A. (Streyd_89)	1
147	Sergeev V. (32b)	1
148	Zubchevskij (ZAVZAV)	1
149	Egorovskaya V.B. (Afalina)	1
150	Koshkin D.V. (lookatkoshkin1)	1
151	Leont'ev D. (leontyevd)	1
152	Kazakova A.A. (KazakovaAA)	1
153	Shikovets A.D. (Fortune88)	1
154	Tsay S. (Sergey Ts.)	1
155	Adel'shin D.A. (Dim0n21)	1
156	Chebaniuk (white wolf_1111)	1
157	Makhotkin S.O. (mborsch)	1
158	Brooda (Brooda(Brooda))	1
159	Mal'tsev S. (Wuxss)	1
160	Sotov (Mahmut11)	1					ban	ban
161	alex Q.C. (testtest235)	1
162	Malets (Vuzei)	1
163	Turbin V. (Viachko)	1
164	A N. (Niks13)	1
165	Voronkov E.K. (KypJIbIka)	1
166	Kulikov V.S. (VSK99)	1
167	Papliauko (Emikox3)	1					ban	ban
168	Basov (Serge_1024)	1
169	Smirnov A.S. (parazorro)	1
170	lit (Liiton)	1
171	Antonova O.S. (Oksana265)	1
172	Popova (Popitt)	1
173	Brajnin S.O. (brusha)	1
174	Golovkin G.A. (Skarlatina)	1
175	Shikhanova D.S. (qwert21)	1
176	Boyarov A.A. (boyasha)	1
177	Baranovskij D.V. (danichka_13)	1
178	Novikov T.V. (nv_tm)	1
179	Yakhutkina A. (Ramenka)	1
180	Bykov (sky-shore)	1
181	Potikhenskij Ya.K. (Potixenskij Yan)	1
182	Rodin (uoloki)	1
183	Spodarev S.R. (Sergeant_2004_35)	1					ban	ban
184	Zhilinskaya (shaman0303)	1
185	Popov I.A. (tsukerin)	1
186	Sweatpea (sweatpea)	1
187	Belonog A.A. (Andrey_Bel)	1
188	Korolyov V.V. (CHOTKIY)	1
189	Bespalova A. (Aleksandra2409)	1
190	R. (Wra1th)	1
191	Folomkin I.N. (onevay)	1
192	Zaika K. (Kirill111111)	1
193	sd (dchekg)	1
194	Maksimovich (serg_sputnik)	1
195	Sad A.S. (ssaqerke)	1
196	Skibin V.V. (SQL_vvs)	1
197	Lysykh V.K. (Usilitel')	1
198	S (sergeenko@phystech.edu)	1					ban	ban
199	Akameeva S.V. (SVA1)	1
200	Nusratullina M. (Masyakan)	1
201	Shaposhnikova E.V. (LARAQ)	1
202	korz (sinceskinqwerty)	1
203	Krikunov V.V. (Krikunov_Vitalik)	1
204	Mastyko M.V. (ladds)	1					ban	ban
205	Mikaya (Gio9248)	1
206	Tatarinov (Yujiro)	1
207	vorob (nikadema)	1
208	Avdyunina V.D. (Ruibing)	1
209	Evgen'ev (gek_c)	1
210	Romanov (JerseyDevil)	1
211	Isaeva K.A. (krzlxw)	1
212	Murat M. (murat_mukhammed)	1
213	Pushkarev S. (PSV_n)	1
214	Burtonov A.V. (tak to)	1					ban	ban
215	Berseneva T.M. (Bersa_3785)	1
216	Strilenko (Liamorte)	1
217	Zhopkin (Vanek_destroyer)	1
218	Eremeev A.S. (andrew@eremeev)	1
219	Sal'khova A.A. (Nastya1823)	1
220	zamanova (gulkhanim)	1					ban	ban
221	zamanova (gulkh)	1					ban	ban
222	Litvinovich (lounder)	1
223	Bratsykhina T.A. (tatavia25)	1
224	Dul'se A.A. (dulce)	1
225	Sovetkhan D. (Diyar)	1
226	Mathematicienne (Mathematicien)	1
227	Khafizov L.Z. (Lenarkhaf)	1
228	Kosatkin P. (PaulTronix)	1
229	Ibragimov (RobBot1337)	1
230	Donelyuk A.G. (DonelyukAnna)	1
231	Abdusamatov D.X. (Rydo)	1
232	Abilkhan Y. (AYERS)	1
233	Bublikov A.G. (geterozis22)	1
234	Surname (Void_107)	1					ban	ban
235	Murzina A.I. (riarinai)	1
236	Popandopulo (popandopulop)	1
237	Solomnikova (AlexSolom)	1
238	Popova A.O. (AnnaPo12)	1
239	sss (bobeflampy)	1
240	Kolbaskin I.A. (kolbasskin)	1
241	Markova M.P. (Marina_Uchitel)	1
242	GOGOYO G.G. (GOGOYO)	1
243	Vas (zookeeper123)	1
244	KIRYaKOV (willdi)	1
245	Protsenko A. (zelfix)	1
246	Akimova (anastasiakima)	1
247	Boldyreva (anvta)	1
248	Revina (revusha)	1
249	Ovcharenko A.S. (Ovchrnk)	1
250	K S.I. (sergo_3666)	1
251	Gar'kusha N.A. (frkw)	1
252	Arzamasova (Nastya1161)	1
253	Erofeeva (tochbka)	1
254	Petsgol'dt P.K. (Pavel1PK)	1
255	Rudenko A.R. (Angeelll)	1
256	Unregistered	49

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