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March 15, 17:08 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	Uldanov M.R. (marsel16)	1			13	17	ban	ban
2	Golinskij M.O. (motcan2)	1			5	6
3	Kim A.V. (epidersis)	2			3	3	15	22
4	Makarov I.A. (_Bkmz_)	1			1	3
5	Osipov N. (Keil)	1			2	2	1	1
6	Odnokurtsev (AlFochino)	2	1	63		1
7	Bredikhin M. (maxim_bredikhin)	1	1	5		1
8	Tischenko V.A. (tva12121)	3					ban	ban
9	idiris N.R. (1ndibi)	1					ban	ban
10	Baktiyar D. (1ndi1i)	1					ban	ban
11	Ozerova (ai_06)	2					ban	ban
12	Ladygin V.D. (Vladimir777Lad)	2					ban	ban
13	Ambartsumyan A.A. (ASH2005)	1					15	26
14	Kurnushkina V.I. (KUR_Valeria)	1					15	26
15	Schelkanova D.V. (zldwzh)	1					ban	ban
16	Levin E.A. (egor_oracle)	1					ban	ban
17	Motorina A.D. (@astrid_sun)	1					15	25
18	Talankin G.S. (GeraDezer)	2					18	24
19	Pil'chinov I. (Sengoku)	1					15	22
20	Myatezhnyj A. (b47cc)	1					15	21
21	Toleubay S.T. (sandugash Toleubay)	1					13	21
22	Roj N.V. (rony55555)	2					15	20
23	Tischenko (Slisen)	1					15	20
24	Uldanov M.R. (marsel14)	1					ban	ban
25	Pushkarenko K. (ksensennn)	1					ban	ban
26	Stefanov (Botanick_123)	1					15	18
27	Ladygin V.D. (Vladimir7799)	1					ban	ban
28	Kosov K. (Vertigor)	1					10	17
29	Sol D. (CooStin)	1					ban	ban
30	Maslov (sevack)	2					13	15
31	Velibekova Yu. (yulialibs)	1					9	15
32	Gusev A.O. (NowOrNever)	3					6	15
33	Muldasheva A.M. (askolok)	1					7	12
34	Ais (SQLPractica)	2					8	10
35	Anokhin G.R. (Georgii1234)	1					7	9
36	Ivanov I.I. (satir84)	1					7	9
37	Uldanov M.R. (marsel13)	1					ban	ban
38	Tereschenkova D. (daria095)	1					6	9
39	Q W.E. (DandyDaBeast)	1					5	9
40	Grigoriev (drew.gg)	1					7	7
41	Bykasova K.V. (asteriaRay)	1					6	7
42	Balandina A.E. (agentshmelis)	1					6	7
43	Doe (Doe123)	1					6	7
44	Fedorov K. (kira q)	2					ban	ban
45	Aksenov (NomenChok)	1					5	7
46	Kalinovskaya O. (OlesyaKalinovskaya)	2					5	5
47	apple_city B. (mr_exclusive)	1					5	5
48	Nov I. (indels)	2					ban	ban
49	Kostarev M.A. (MaxonProverennye)	1					4	5
50	Roschin A.M. (Alexendero)	1					3	5
51	Kurbanov (gixmane)	1					3	5
52	urbanizzz (urbanizator)	1					3	5
53	Zergin Z.Z. (loaqdev)	2					4	4
54	Shipotko A. (Artem S)	1					4	4
55	Kostin M.A. (marboss)	1					4	4
56	Can (svetonik)	2					3	4
57	Kon'kov G. (garrykonkov)	1					3	4
58	Kirpichnikov I. (kirp777)	1					3	4
59	Shulyagina A. (gingerr)	1					ban	ban
60	Ershova V.V. (vera1507)	2					2	4
61	Kopylov (vanya_241105)	2					ban	ban
62	Zubov V.N. (VITALIY777)	1					2	4
63	Bobrovnikov V.V. (salttea_)	1					2	4
64	Krivov D.L. (Dietrich Mannski)	1					2	4
65	Chernyakova N.V. (Nimfa&)	1					2	4
66	Lalova E.S. (Lalova_K)	1					2	4
67	Chae N. (Rani2021)	1					2	4
68	Khamizova M.S. (Mkhs)	1					3	3
69	Shibaev (orman)	1					3	3
70	R. A. (Erayo)	1					3	3
71	Yuzhakov (PeacefulDoggo)	2					2	3
72	Kharchenko (data_bartender)	1					2	3
73	Kolobovnikov B.R. (bodyan42)	1					2	3
74	Deev A. (fhh)	1					2	3
75	Zajtseva (MZay)	1					2	3
76	dfgh (qwet45)	1					2	3
77	Rybkin (Schmeller)	1					2	3
78	Barbarina D.A. (dariaSA)	2					2	2
79	Mikhalkovich I.B. (FirePhantom)	1					2	2
80	Kuznetsov E.I. (zorkkey)	1					2	2
81	Vetrenko I.D. (Esmiral'da)	1					2	2
82	Kashina K.V. (KKseniia)	1					2	2
83	Davlatov I.M. (Leiurus)	2					1	2
84	Taranets A.A. (AnaStar)	2					1	2
85	Soldatov G. (ggwpez)	1					1	2
86	Z (ZaharAnna)	1					1	2
87	Grozovskij F.M. (fgrozovskiy)	1					1	2
88	Kim A.S. (Aleksandr_Kim)	1					1	2
89	Feoktistov (oleg-ff)	1					1	2
90	Volkova S.D. (sofyaaa)	1					1	2
91	Alpeis A.Z. (Aruzhan Alpeis)	1					ban	ban
92	Pelepelin A. (ToniMekh)	1					1	2
93	Auezova (Soul66)	1					1	2
94	Aleshina V.A. (Bibi_Healer)	1					1	2
95	Delolio N.A. (Corvus Corax)	1					1	2
96	Russkikh A. (AnnaR7)	1					1	2
97	gabaraev D.Z. (davidgg)	2					1	1
98	Frolov I.V. (Zevs pitbul')	2					1	1
99	Kokin A.D. (Heoyong)	2					1	1
100	Voronina E. (Privety)	2					1	1
101	S (Malikosha)	2					1	1
102	Arutyunyan A.R. (Armen212)	2					1	1
103	Otradnov (Sdn19012026)	1					1	1
104	Andreev M.Yu. (Asaru888)	1					ban	ban
105	Zhuravlev A.V. (antoxacrane)	1					1	1
106	Mazur Ya.E. (yamazur)	13
107	Fromet (1amy1)	6
108	Vdovin S. (Rujan)	3
109	Kurochkin P.A. (qwrqwr)	2
110	Vinogradova S.M. (Tigra1)	2
111	Ivanov (Chio)	2
112	Lazareva E.V. (snatcat)	2
113	Chiranov M.O. (chiracredible!)	2
114	Letyanina I. (Ezzaria)	2
115	Mazanov (Cepnoj)	2
116	Streletskij (Cheburator300056v)	2
117	n A.N. (Fra1z)	2
118	Ch R.V. (rvch)	2
119	Moiseenko S.I. (mois_)	1					ban	ban
120	Krasovskij E.A. (pegoopik)	1
121	T (GT)	1
122	Koptel'tsev V. (selber)	1
123	Mamedov (gidMAD)	1
124	Kolomijtsev M. (m1xael)	1
125	Pliuta A. (platina)	1
126	Stepanov K. (Crystal_0wl)	1
127	Sorokina E. (Kate.sql)	1					ban	ban
128	Grustnaya (Grusthaya)	1
129	Komarov A.N. (Shveda Saulya)	1
130	Yakovleva (kris123456789)	1
131	Sokolov (A.A.S.)	1					ban	ban
132	Sherstnev I.V. (sherstnev.iv)	1
133	Bunin I.S. (Tobol'tsev)	1
134	Lazaruk A.A. (Big_boss)	1
135	Kotvitskij A.V. (Ander_kot)	1
136	Romanov R.S. (Romanov_Roman)	1
137	Naumov (Ghostwheel)	1
138	Sarkisyan E.M. (hoop3r)	1
139	Ch Ya.S. (Extranjera)	1
140	Kim A.D. (Andrew212121)	1
141	Bogorad M.D. (maksimBd1)	1					ban	ban
142	Malakhova (Erioko)	1
143	Vikhrov N.S. (AlanSlueth)	1
144	Vasilov R. (Nozort123)	1
145	Tarsukova A. (Arina1111111)	1
146	Sidorov K. (Akv1lon)	1
147	Arakcheeva P.A. (Polina_Arakcheeva)	1
148	Sarkis'yan G. (gennadi_s)	1
149	Bykov (sky-shore)	1
150	P Yu. (sh_er66)	1
151	Bagirov S.E. (6lackwine)	1					ban	ban
152	Ben (Paulo Ben)	1
153	Dvornichenko E.A. (Chaika_)	1
154	Odegov A.I. (KovroLitik)	1
155	R. (Wra1th)	1
156	Novikov M.R. (novikov2050)	1
157	Dimitrov V.M. (vencid)	1
158	Fursov G.S. (derg54)	1
159	Komov S.M. (Komov S. M.)	1					ban	ban
160	Novikov I.D. (InDel)	1					ban	ban
161	Lysykh V.K. (Usilitel')	1
162	Ivan I.I. (redwood_msk)	1					ban	ban
163	Kokin Z. (FlexTure)	1
164	Kislyakov D.V. (EggDestroyer)	1
165	Solov'eva (Lisitsa)	1
166	Fandieiev O.V. (999Alex1984)	1
167	Ivanov P.P. (PavelPLAT)	1
168	Cherkashchenko V.C. (KOTYARA12)	1
169	Samazaniev R.I. (Rus3000)	1
170	Grebenkin D.V. (denchan)	1
171	Mozol' R.A. (stxnxhxxd)	1
172	Sokolov A.A. (Sok_91)	1					ban	ban
173	Kolobin N.S. (gerod0t)	1
174	Bratkovskaya (A.Bratkovskaya)	1
175	Leonov D.V. (xannnnn)	1
176	Kubyshkin R.V. (Rm.kubyshkin)	1
177	Familiya (sbtk)	1
178	Zhivotenko N.I. (Kolya777.21)	1
179	Slugin E.E. (rawelaw)	1
180	Pavlov M.V. (truman_66)	1
181	moon (__moon__)	1
182	Prosyankin A.O. (Aventurine7777)	1
183	Zhuk V.R. (loniloum)	1
184	Addanki G. (Dog Lover)	1
185	Bogdanov (Viagod)	1
186	Schipina A.R. (shiram1)	1
187	Catherine (Cat_05032026)	1
188	Shulaev D. (vartovec)	1
189	Taubayev Y.O. (eraqa)	1
190	Filonenko M.V. (MariMari0)	1
191	Lutsishin D.I. (dima_lutsishin)	1
192	Zajtsev B.M. (BoryanMZaitsev)	1
193	Lee (DIM_2345)	1
194	Isaeva (Juliaisa)	1
195	Chem M. (Villentrete)	1
196	Polyanskaya (0livkaa7)	1
197	Yurov S.A. (serega48lip)	1
198	Petukhova V.V. (azukitarina)	1
199	Vikhrov N. (Nikita_vikhrov)	1
200	Titkov D.M. (cans1zz)	1
201	Tabar (Tabar_)	1
202	Matochkina (matochkina)	1
203	Bushaev V.A. (bushaev)	1
204	Wasp E.G. (Elinoise)	1
205	Korotkij E.P. (Kapitan Egor)	1
206	Borodulya A.V. (AlexandroB)	1
207	Unregistered	19

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