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August 24, 18:13 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	Skokov B.S. (leks$$)	2	1	42		1
2	Sharko Ya.V. (Engine22)	1	1	1		1
3	Markusov (mercurymoon)	1			1	1
4	Ivanov (chuvak_bob)	1					15	26
5	ankudinov (arseniyank)	2					13	22
6	Serova M.M. (ssss.mmmm)	2					15	21
7	Koala2 (Koala2)	1					12	19
8	Golotvina S. (sofasway)	1					14	17
9	Trishkova E. (elena_anima)	1					13	16
10	Leonova A.A. (AngeLeo)	2					12	16
11	Konogorskij L.E. (konogorsky Leo)	1					9	16
12	Sidorenko (Yulich)	1					12	15
13	Sviridov A.A. (rosnidatvovni)	1					9	15
14	Bonjovi (bomjour111)	1					8	13
15	Zhur V. (mrvaroz)	2					7	12
16	Terekhov A. (terekhovart)	2					7	12
17	Petrenko P.E. (Peafowl)	2					8	11
18	Borisov D.R. (Dmitry.Bo)	1					6	10
19	Tverdokhlebov D.S. (Danil_Bread)	1					6	10
20	Kononova A.S. (anseko)	1					8	9
21	Laktionova N.V. (laktionovan)	1					8	9
22	Kitaev K.I. (Kostas1234)	1					6	9
23	lamer (-lamer-)	1					6	9
24	Yusupova O. (Iusupova)	1					6	9
25	Hope (Doemu)	1					5	9
26	Smirnova (Olga_Smirnova)	1					4	8
27	Sheimukhov (sheymuh)	3					6	7
28	Shakhova M. (maydaymeow)	2					6	7
29	Sakreeva N.F. (sonat15)	2					6	7
30	Levin Yu.A. (pdestroyer)	2					5	7
31	Vakulko A.V. (VAlexandrV)	3					4	7
32	Navitskas A. (Sana451)	1					4	7
33	Borodin A. (Rignar)	1					4	7
34	Myrkalykov (aslanbai)	1					5	6
35	Taurbek B.D. (Bagy)	1					4	6
36	Kulikov A.Yu. (Ondrata)	2					5	5
37	Kejl D. (kdanl)	2					5	5
38	Lishafaev D.A. (ZnOKs)	2					5	5
39	Mescheryakova (loli_po)	2					5	5
40	pinkman A. (asya pinkman)	1					5	5
41	Lugvischik (gopsweet)	1					5	5
42	Bychkou (rbychkou)	1					5	5
43	Sultanayeva (Lowlights)	1					4	5
44	sar G. (konick_gs)	1					4	5
45	Korionova P.D. (Karina_fox_777)	1					4	5
46	Klishin (F P)	1					4	5
47	Isakov (Isak)	1					3	5
48	Syrtseva V.A. (syrko)	1					4	4
49	Naumova M.A. (ArlianWolf)	1					4	4
50	Sergeeva L. (loserm)	1					4	4
51	Bulakhtin A.D. (R3Z1D3NT)	2					2	4
52	Shagalov O.L. (TTC)	1					2	4
53	Astrelina D. (smiling_corgi)	1					2	4
54	DMRITsD (TheCupOfMagic)	2					3	3
55	Sukharev A.S. (A_Greenberg)	1					3	3
56	Karniz V. (Realita)	1					3	3
57	Kadiev (Watermelon king)	2					2	3
58	Korolev R.V. (zouker)	2					2	3
59	LbIsy (Bla_Bla_2)	2					2	3
60	Kazantsev V.D. (kentiko_0)	1					ban	ban
61	Nikolaeva V.V. (@molly)	1					2	3
62	Lcdma (LCDM138)	1					2	3
63	Nasirov M. (M-nesir)	1					2	3
64	Sidorova Yu. (yloko)	2					2	2
65	Tairov A. (2026atairov312)	2					2	2
66	Kukanov D. (kukish_)	1					2	2
67	a A.A. (rdctfvygbuhjnk)	1					2	2
68	underwood L. (larry17underwood)	1					2	2
69	Safonov (&rey80)	1					2	2
70	Shinkevich M. (Gvat)	1					1	2
71	Myasnikova P.O. (Polinnn)	1					1	2
72	Tsarev O. (otnzxcvbnm)	1					1	2
73	Shakaryan B. (bogdanshakaryan)	1					1	2
74	Muratov D.A. (Enovostuck)	1					1	2
75	Khusnutdinov D.D. (Abdulxamid)	1					1	2
76	Bogatyrev N.V. (BNV2873)	1					ban	ban
77	Ilina N. (lkjahfjkseb)	1					1	2
78	Yakovleva (nyans)	1					1	2
79	Lyakh (LinaL_)	1					1	2
80	Murlyk M.M. (Myau Murych)	1					1	2
81	Kanunnikov P.V. (Inoj777)	2					1	1
82	Stytsyuk N. (natalia19930420)	1					1	1
83	l (loww)	1					1	1
84	Sarkis'yan G. (gennadi_s)	3
85	Kokoulina E.A. (janekoko)	3					ban	ban
86	Kalen A.A. (Funfe)	3
87	Koptel'tsev V. (selber)	2
88	Tsvetkova S. (swetlana0613)	2
89	Khakhulina Yu.V. (element21)	2
90	Semenov V. (Vasya92)	2
91	T (TA_IIII)	2					ban	ban
92	Gusev A.O. (NowOrNever)	2
93	Khabibullin A.R. (Aleksandr_Kh)	2
94	Nesterov D.A. (saha909)	2
95	Grigor'ev (DoM1NAtoR-RU)	2
96	gogov G.G. (krub)	2
97	Inozemtseva (Malutka)	1
98	Khripkov (@ndrey)	1
99	Sankevich (Don)	1
100	Shibaev (saah)	1
101	Krasovskij E.A. (pegoopik)	1
102	Altashin S.V. (burrito)	1
103	keieiuty (keieiuty)	1
104	Zagorul'ko E. (Helen@)	1
105	Vinogradova S.M. (Tigra1)	1
106	Abramenkova (muroni)	1
107	Emelin A. (Streyd_89)	1
108	Sergeev V. (32b)	1
109	Egorovskaya V.B. (Afalina)	1
110	Koshkin D.V. (lookatkoshkin1)	1
111	Leont'ev D. (leontyevd)	1
112	Kazakova A.A. (KazakovaAA)	1
113	Shikovets A.D. (Fortune88)	1
114	Tsay S. (Sergey Ts.)	1
115	nope (petop)	1
116	Adel'shin D.A. (Dim0n21)	1
117	Makhotkin S.O. (mborsch)	1
118	Brooda (Brooda(Brooda))	1
119	Leschenko (Verochka_21)	1
120	Mal'tsev S. (Wuxss)	1
121	Malets (Vuzei)	1
122	Turbin V. (Viachko)	1
123	A N. (Niks13)	1
124	Voronkov E.K. (KypJIbIka)	1
125	Kulikov V.S. (VSK99)	1
126	Smirnov A.S. (parazorro)	1
127	lit (Liiton)	1
128	Antonova O.S. (Oksana265)	1
129	Popova (Popitt)	1
130	Brajnin S.O. (brusha)	1
131	Golovkin G.A. (Skarlatina)	1
132	Shikhanova D.S. (qwert21)	1
133	Baranovskij D.V. (danichka_13)	1
134	Novikov T.V. (nv_tm)	1
135	Yakhutkina A. (Ramenka)	1
136	Bykov (sky-shore)	1
137	Rodin (uoloki)	1
138	Popov I.A. (tsukerin)	1
139	Sweatpea (sweatpea)	1
140	Belonog A.A. (Andrey_Bel)	1
141	R. (Wra1th)	1
142	Folomkin I.N. (onevay)	1
143	sd (dchekg)	1
144	Sad A.S. (ssaqerke)	1
145	Skibin V.V. (SQL_vvs)	1
146	test T.T. (yoyoja344)	1
147	Lysykh V.K. (Usilitel')	1
148	S (sergeenko@phystech.edu)	1					ban	ban
149	Akameeva S.V. (SVA1)	1
150	Nusratullina M. (Masyakan)	1
151	Shaposhnikova E.V. (LARAQ)	1
152	korz (sinceskinqwerty)	1
153	Krikunov V.V. (Krikunov_Vitalik)	1
154	Mikaya (Gio9248)	1
155	Tatarinov (Yujiro)	1
156	Ibo K. (Kemchik)	1
157	vorob (nikadema)	1
158	Avdyunina V.D. (Ruibing)	1
159	Evgen'ev (gek_c)	1
160	Romanov (JerseyDevil)	1
161	Isaeva K.A. (krzlxw)	1
162	Murat M. (murat_mukhammed)	1
163	Burtonov A.V. (tak to)	1					ban	ban
164	Strilenko (Liamorte)	1
165	Zhopkin (Vanek_destroyer)	1
166	zamanova (gulkhanim)	1					ban	ban
167	zamanova (gulkh)	1					ban	ban
168	Dul'se A.A. (dulce)	1
169	Basova (Marie_Mikey)	1
170	Ageeva (Ush1m1ya)	1
171	Sovetkhan D. (Diyar)	1
172	Kosatkin P. (PaulTronix)	1
173	Donelyuk A.G. (DonelyukAnna)	1
174	Abilkhan Y. (AYERS)	1
175	Bublikov A.G. (geterozis22)	1
176	Surname (Void_107)	1					ban	ban
177	Murzina A.I. (riarinai)	1
178	Popandopulo (popandopulop)	1
179	Solomnikova (AlexSolom)	1
180	Reva S.I. (s.reva)	1
181	Popova A.O. (AnnaPo12)	1
182	Sheludyakova (ShellSight)	1
183	sss (bobeflampy)	1
184	Kolbaskin I.A. (kolbasskin)	1
185	Markova M.P. (Marina_Uchitel)	1
186	GOGOYO G.G. (GOGOYO)	1
187	Vas (zookeeper123)	1
188	KIRYaKOV (willdi)	1
189	Protsenko A. (zelfix)	1
190	Akimova (anastasiakima)	1
191	Boldyreva (anvta)	1
192	Revina (revusha)	1
193	Ovcharenko A.S. (Ovchrnk)	1
194	K S.I. (sergo_3666)	1
195	Gar'kusha N.A. (frkw)	1
196	Arzamasova (Nastya1161)	1
197	Erofeeva (tochbka)	1
198	Petsgol'dt P.K. (Pavel1PK)	1
199	Rudenko A.R. (Angeelll)	1
200	Unregistered	38

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