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August 21, 23:21 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	BlazeBio B.B. (BlazeBio)	1	3	3		4
2	Sarkis'yan G. (gennadi_s)	2	1	206		4
3	Frolov K.A. (Murderface_)	1	1	24	1	3
4	Mal'tseva V.A. (ctoriavick1)	1			2	2
5	Shipilovskikh L.M. (ladashipm0121101)	1			1	1
6	Babenko D.V. (Agrofos)	2					20	27
7	Konogorskij L.E. (konogorsky Leo)	2					14	24
8	Kustova V. (emilygrossman)	1					12	21
9	jadgfldsgf (jadgfldsgf)	1					12	20
10	Koala2 (Koala2)	1					15	19
11	B D. (bzldm)	2					12	16
12	Kishkurno R.A. (Dyga)	2					10	15
13	Kulikov A.Yu. (Ondrata)	1					8	14
14	Nesterov D.A. (saha909)	2					9	12
15	Zhur V. (mrvaroz)	3					9	11
16	Isakov (Isak)	1					9	11
17	Khuchraev A. (daydreamer)	1					9	11
18	Klishin (F P)	2					8	11
19	KhOZYaINOVA I.N. (InKh)	2					6	11
20	lisa (eliswwu)	1					7	10
21	Leonova A.A. (AngeLeo)	3					7	9
22	Naor (ruththur)	1					7	9
23	libert J. (Igorrr33443)	1					7	9
24	Zozulya P.A. (Polechkaaa)	1					5	9
25	Ivanov R.A. (RoGad)	1					5	9
26	A (JohnnyData)	1					5	8
27	Murzina A.I. (riarinai)	2					6	7
28	Korionova P.D. (Karina_fox_777)	1					6	7
29	Ermolaev (Ermak05)	1					6	7
30	Petrov I.O. (Pucknull)	1					6	7
31	Bogdashov Ya. (shadyjeff)	1					6	7
32	Reshetnik N.V. (Z3l3nyi)	1					6	7
33	Olamiai (Nikita12367)	1					5	7
34	Pelov O.I. (Jk212356)	1					4	7
35	Soprano D.M. (DonSopranovich)	2					5	6
36	Bublikov A.G. (geterozis22)	1					5	6
37	Akimova E.N. (Katrin_A91)	2					4	6
38	edmond2 (edmond2)	2					4	6
39	Borisov D.R. (Dmitry.Bo)	2					4	6
40	Domejko I.A. (Domejko)	1					4	6
41	Yusupova O. (Iusupova)	1					3	6
42	Z A. (panter2)	2					5	5
43	cyborg_just (atom_just)	2					5	5
44	Khabibullin A.R. (Aleksandr_Kh)	1					5	5
45	Lcdma (LCDM138)	3					3	5
46	Kadiev (Watermelon king)	1					3	5
47	Sip J.T. (jtsip)	2					4	4
48	Pupkin K. (catpupkin)	1					3	4
49	Denisov (Kot_-_)	1					3	4
50	Vozdigan A.A. (KumaRYo)	1					2	4
51	Guseinov A. (Ali_G)	1					2	4
52	Zav'yalkina S. (Sveta17vr)	1					2	4
53	Lyakh (LinaL_)	1					2	4
54	Klyavlin V. (aurq)	1					2	4
55	M (adilyam)	1					2	4
56	Fyodorov I.P. (Kega)	1					3	3
57	sdfg (eflampypopa1)	1					3	3
58	Martirosyan M. (Marrty)	2					2	3
59	Bryukhanov A.N. (Antonus)	1					2	3
60	Prudaeva N.A. (Pavlova.nat.an)	1					2	3
61	Chernyshev (Nikitacher)	1					2	3
62	Zubkov D. (Dm54)	2					1	3
63	Brajnin S.O. (brusha)	1					2	2
64	Kupriyanova P.A. (@poluchku)	1					2	2
65	Noskov R.E. (Angelorn)	2					1	2
66	Kameneva (kristachak)	2					1	2
67	Korolev R.V. (zouker)	2					1	2
68	Kazantsev V.D. (kentiko_0)	2					ban	ban
69	CHARNIAK P. (bitoma)	2					1	2
70	lamer (-lamer-)	2					1	2
71	Shagalov O.L. (TTC)	1					1	2
72	Kitaev K.I. (Kostas1234)	1					1	2
73	Avdeev A. (TripleA3110)	1					1	2
74	Raupova N.B. (Nizukuba)	1					1	2
75	Vakulko A.V. (VAlexandrV)	1					1	2
76	Stytsyuk N. (natalia19930420)	1					1	2
77	Ivanova (nahi1)	1					1	2
78	Evgen'ev (gek_c)	1					1	2
79	Zabavnikova U.A. (ulyazabavnikova)	1					1	2
80	Pushkarev S. (PSV_n)	1					1	2
81	Kurakin (billir)	1					1	2
82	Filippov D.A. (shketik)	1					1	2
83	Ivanov (Ginger12)	1					1	2
84	Abdusamatov D.X. (Rydo)	1					1	2
85	Saukin U. (novichok_PA)	1					1	2
86	Bagrova N. (Nata1234567)	1					1	2
87	Muratov D.A. (Enovostuck)	2					1	1
88	Kuznetsova S.N. (Womanidze)	2					1	1
89	Isheev (KokosB)	2					1	1
90	YV Y.Y. (YVYVYV)	2					1	1
91	Karunskij I.B. (_NAvichok_)	2					1	1
92	Ibo K. (Kemchik)	1					1	1
93	Malo A. (meyhom_2)	1					1	1
94	Khafizov L.Z. (Lenarkhaf)	1					1	1
95	Puhovic N. (poohski)	1					1	1
96	Yakimova E.A. (lenxena)	1					1	1
97	Koptel'tsev V. (selber)	5
98	Shibaev (saah)	2
99	bot L. (15BOT)	2
100	Ryabtseva E. (dreiundsiebzig)	2
101	Krupin P.A. (PAVEL1990)	2
102	Oktamov N.A. (Nurdaulet99)	2
103	Ivanov I.I. (Fedoseevv)	2					ban	ban
104	Alekseeva (Anastasiya_Al)	2
105	Ponomarev V.K. (Vladidasss)	2
106	Bykov (sky-shore)	2
107	Kudryavtsev V.O. (VladKudr)	2
108	Barabanov (lesha91)	2
109	Salikhova (salixova)	2
110	Mmm A. (AinSophAur88)	2
111	Somsikov D. (DM_Vanitas)	2
112	mur I.S. (barzel83)	1
113	Varakin I.E. (vanesik)	1
114	Kostomarov A.V. (al29)	1
115	Sid (cyrus123)	1					ban	ban
116	Kumar M. (waifo)	1
117	Likhov B.K. (Vnimatel'nyj)	1
118	kaladandi V.K. (vamshi krishna)	1
119	Sergeev V. (32b)	1
120	Skorobogatyj D.V. (Skoryj)	1
121	Zh (SaidaZh)	1
122	Kuznetsov A.A. (Bakterium)	1
123	Semenikhin D.A. (Gennadij Smirnov)	1					ban	ban
124	Demin K.A. (mao23)	1
125	eqweasdd (alexa123123gth)	1
126	Zolin P. (heliocopter3)	1
127	Bykonya A.A. (abykonya)	1
128	Kazhuhovskiy (till123)	1
129	Shpakov I.A. (Pyjast)	1
130	Makarov S.M. (MakarovSG)	1
131	Mironova O. (lesya8635)	1
132	Strazh (melissandra)	1
133	Ganiullin A.M. (Zer7or)	1
134	Savenko (olalasavenko)	1
135	Dab D.D. (plintus)	1
136	Smirnov A.S. (parazorro)	1
137	Chvikova A.M. (Chvikova)	1
138	fyva F.Y. (pidogog)	1
139	Chumachenko D.A. (Darya_2024)	1
140	ss A.S. (SashaSS)	1
141	Skokov B.S. (leks$$)	1
142	Rodin (uoloki)	1
143	Berg M. (soberte)	1
144	Popov G. (Nimble45)	1
145	Darkkholm V. (DarkHolm)	1
146	Odegov A.I. (KovroLitik)	1
147	R. (Wra1th)	1
148	Tsimerman (Ilyac2001)	1
149	Korneev A.V. (Aleks-97)	1
150	Aks (Nastya12344332)	1
151	Burenkov O.G. (Duncans Soffee)	1
152	Komov S.M. (Komov S. M.)	1
153	Sad A.S. (ssaqerke)	1
154	Korolkovs (fkorolkov2)	1
155	Lysykh V.K. (Usilitel')	1
156	S (sergeenko@phystech.edu)	1					ban	ban
157	Akameeva S.V. (SVA1)	1
158	Velichenkov D.A. (Galotane)	1					ban	ban
159	Nata (legenda22222)	1
160	Abramov V. (Ichigo Kurosaki)	1
161	Krikunov V.V. (Krikunov_Vitalik)	1
162	Kornienko (Ivan Kornienko)	1
163	Zinchuk (Shade940)	1
164	Bogatyrev N.V. (BNV2873)	1					ban	ban
165	qweasdasd C.C. (cringeaaa)	1
166	K (Levanlomg)	1
167	Zyuzyupupuk P.K. (@mutagen00)	1
168	Ponomarev M.P. (MatveyF)	1
169	l (loww)	1
170	Ivanov I.I. (Jorge05)	1
171	Sayyan V.R. (Vah_666)	1
172	Burtonov A.V. (tak to)	1					ban	ban
173	Strilenko (Liamorte)	1
174	Zhopkin (Vanek_destroyer)	1
175	pushkarev V.S. (tt3dg)	1
176	Sukhanova O. (Laleika)	1
177	Sal'khova A.A. (Nastya1823)	1
178	Ageev (daniljson)	1
179	Bespalov (proWorker)	1
180	Alieva (vp228)	1
181	Pupkin (ChK2026)	1
182	Mathematicienne (Mathematicien)	1
183	Babushki S. (gnomz)	1
184	Shapiro D. (xx_Da_Sha_xx)	1
185	K A.G. (SQLHARD)	1
186	Kropachev E.E. (JackZzzon)	1
187	Bonjovi (bomjour111)	1
188	Surname (Void_107)	1					ban	ban
189	Kokareva N.E. (Tik34563)	1
190	Kurolyonok K. (KQnok)	1
191	Kononova A.S. (anseko)	1
192	Laferchuk (Kvakushhka)	1
193	Deryushev O.V. (Oleggg222)	1
194	Grankina (bebrochka 123)	1
195	Kovaleva V.B. (Victoriaaa_kov)	1
196	Zajchikova M.S. (Maria8811)	1
197	Akhaladze I. (Gurieli)	1
198	lalalelnaya L.L. (lalalel)	1
199	l3m1r A.O. (l3m1r)	1
200	Irinova I. (Irinabest)	1
201	Popandopulo (popandopulop)	1
202	Unregistered	51

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