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May 17, 22:02 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	AbdulKhader F. (Firaase)	2			11	13	15	18
2	Nesov V.A. (80STH)	4	5	63	1	11
3	P I.*. (IrinaPetr)	5	2	70		3
4	Safronov P.A. (Paulus73)	1			1	3
5	Odnokurtsev (AlFochino)	3	1	105		2
6	Eryomina E.V. (kateero)	2	1	1		1	15	18
7	Gutsalenko M. (maks1mg)	3					20	34
8	Turobov N.A. (Nikita134)	1					15	27
9	Sholokhov (Skelemaster1)	1					15	27
10	Vishnevskij (Vadamar)	1					15	25
11	Pogorel'tsev D.P. (PashaDmitrii)	2					15	24
12	Kto-to (9ITeb9IHaudy)	2					ban	ban
13	Kazitskij (ewgwfwefgvwe)	1					ban	ban
14	Serdobintsev N.M. (mikhalychh)	2					14	24
15	Fernando R.M. (Rayani Fernando)	2					15	22
16	Dimentman (mdimen)	1					15	20
17	Krit (Kritty)	1					15	18
18	Brening (absolute_b)	2					9	18
19	Bulgakov A.S. (temchik30)	1					10	17
20	Shkol'nikova T.V. (Tanysikk)	1					12	16
21	Safronova L. (ellllllli)	2					10	16
22	dwds E.A. (javaDeveloperSQLLLL)	1					10	16
23	Blokhin (Blokhin Aleksandr)	2					9	16
24	Bugaev G.A. (Glebos)	3					13	15
25	Kungurtseva Yu.A. (Yuliya676767)	2					11	15
26	Sofronov D.A. (sofrosya)	2					11	15
27	Novikov B.A. (slux)	1					11	15
28	Laptev D.D. (Danil13372281234)	1					11	15
29	Lun'kova (Dafnjire)	1					11	15
30	Krapivina L. (epywabi)	1					ban	ban
31	Bambushev (Dzhangar)	1					11	14
32	Konilov V.V. (Vladimir Konilov)	2					7	14
33	Tsaregorodtseva A. (Lilian_123456)	1					10	13
34	Lobanova (chearoa)	1					10	13
35	Savitskij D.V. (Savacool2212)	1					8	13
36	Vasiljev I. (vasiljev_ilya)	1					7	13
37	Trishkin (trash1)	1					7	13
38	Chan (your_little_fox)	2					9	12
39	Baboshina E.S. (lizoch_ka)	1					6	12
40	Patsyuk D.S. (dyankk)	1					7	11
41	Borodulin I.D. (ilyaborodulin)	1					7	10
42	Rakova V.R. (veronika_rakova)	1					6	10
43	Mel'nikov M.N. (soulsmouse1234)	1					6	10
44	Kozvonina A.K. (bochak)	1					6	10
45	Arabyan M. (armel)	1					7	9
46	Kim D.I. (kimxwq)	1					6	9
47	Kirey V.O. (Davli4)	1					5	9
48	Katashevskij (YaUstalPridumyvat'Nik)	1					ban	ban
49	Karetnikov A.L. (alex1black)	2					6	7
50	Kashtanova T.A. (tanya_ryzhova)	2					6	7
51	Lyakh E.S. (goroshek)	3					5	7
52	squirrel (squir_el)	1					5	7
53	Es'kova E.S. (Lizaveta113)	1					ban	ban
54	Tratseuskaya (klmtn)	1					5	6
55	Khloptsev A.V. (ANkaRTik)	1					4	6
56	darak A. (OrganicJuice8)	2					3	6
57	Zmievskii (Kogan Shuko)	1					3	6
58	Azizov J. (Java1)	1					3	6
59	A A. (naravan)	1					3	6
60	Fedorov A.E. (Albertos_uwu)	2					5	5
61	Lantukh (elili)	2					5	5
62	Hrytsyk D. (demazer)	1					5	5
63	drozd P.P. (makronchik)	1					5	5
64	nikulina N. (mayfau)	1					5	5
65	blinova N.D. (anastasiya19)	1					4	5
66	penkova (sonya3)	1					4	5
67	Frolov V. (Lanovarian)	1					3	5
68	Sobko Ya.I. (yarik_the_destroyer)	1					3	5
69	Fomenko I. (sheetovo)	1					3	5
70	Smagin D. (play23rus)	1					3	5
71	Maslov (mimh)	1					3	5
72	Kotyalrov M.V. (GUSb)	2					4	4
73	Gus'kov V.M. (Vl4ditor)	1					4	4
74	Savostin D. (tpnmbr)	1					4	4
75	Eskyuel'ev (Shevvik)	1					4	4
76	Korshikov (Ilkorich)	2					3	4
77	Degovtsov K.A. (brazilian.pdf)	1					3	4
78	yuyuyu V.N. (vladdossik)	1					3	4
79	Al'bekov (lk pod ov)	1					2	4
80	Klepets N.A. (NIkDream)	1					3	3
81	fokinss (1703)	1					3	3
82	Kargina V.R. (Vika Kargina)	1					ban	ban
83	K S.B. (SvetA23.)	1					2	3
84	dufivara (d.ufivara)	1					ban	ban
85	z Z.Z. (fsfsdfsadfhegfvbdgsg)	1					2	3
86	Cheburekov Ch.Ch. (cheburek7778)	1					2	3
87	Domnich N.V. (domna)	2					2	2
88	Tenooza (Tenoza)	2					2	2
89	borisov A.N. (borftn)	1					2	2
90	Dey Y.V. (yaroslav53)	1					2	2
91	Nikolaeva N. (Nata1507)	1					2	2
92	Moldakynov A.A. (Nomad444)	1					2	2
93	Kish (Zhkish)	1					2	2
94	Nassipkali D. (uralskdev)	1					2	2
95	Kovinska M. (mfqqed)	1					2	2
96	Zubkov D. (Dm54)	3					1	2
97	Trefilov K. (kilbka)	1					1	2
98	bauer (tron350)	1					1	2
99	Borichevskij A. (alexey13__2)	1					1	2
100	Radzhabov R.S. (Remma)	1					1	2
101	123 (dwafghzjkxhcjkzxcv)	1					1	2
102	Brylev E.A. (kreatinka)	1					1	2
103	Gritskiv T.B. (Taisgritskiv)	2					1	1
104	no K.O. (kapno)	2					1	1
105	Ivanov I.I. (vlad91)	1					1	1
106	son D.S. (v golove - NULL)	1					1	1
107	25cm M.H. (Mctraher26cm)	1					1	1
108	QQQ (Qooqeu)	1					1	1
109	Tutaev A.A. (Wantemira)	1					1	1
110	Kalgina A.A. (Annnili)	1					1	1
111	Fedosova O.S. (ywz knnd)	1					1	1
112	Chervyakov S.V. (chervyakovv23pt1)	1					1	1
113	Kurochkin P.A. (qwrqwr)	7
114	Gusev Y. (Yuri_G)	5
115	Krasovskij E.A. (pegoopik)	3
116	Kostina (DeimosMedici)	3
117	Frik G.E. (Barbarik)	3
118	Bochkova (AnyaBo)	3
119	Shibaev (saah)	2
120	Koptel'tsev V. (selber)	2
121	Strunnikova K.E. (WasabiFox)	2					ban	ban
122	Karev M.M. (Maxkkkar)	2
123	Odegov A.I. (KovroLitik)	2
124	R. (Wra1th)	2
125	Komov S.M. (Komov S. M.)	2
126	Korchagin V.A. (VKorchagin)	2
127	Morozov G.A. (Morozz2222)	2
128	Kadarmetov D.N. (horizon-spark)	2
129	sdfds F.F. (ukapvapg)	2
130	Shkarubo D.A. (ilorelim)	2
131	Ivanovskij A.A. (CamelCherniy)	2
132	Shubin A.M. (mengep)	2
133	Anonim P. (lovesnoopy)	2
134	Martinovich M.M. (juanlgu)	2
135	Vyazovetskov A.S. (alex_v)	1
136	Makarov I.A. (_Bkmz_)	1
137	V (Tenyva)	1
138	Mikhailov S. (curiouser)	1
139	Alekseev A. (RobertWhite)	1
140	Zhdanko S.N. (Sergej2022)	1
141	Borzyonok D.S. (-Matters-)	1
142	Vinogradova S.M. (Tigra1)	1
143	golovin (denandcompany)	1
144	Ghitinomagomedov (gmansur88)	1					ban	ban
145	Fokin B.A. ($tarik)	1
146	Vestnikov D.A. (letsstudybegin)	1
147	Evstigneev (Red Lily)	1					ban	ban
148	Orlov A. (esterio)	1
149	Bannikov D. (diven)	1
150	a A.A. (Artur1q)	1
151	Ten S.L. (104kse)	1
152	Hatum T.T. (tayahatum)	1
153	Sergey (Floony.by)	1
154	Kiryukhin V.M. (Victusoid)	1
155	DO R.M. (danchikPi)	1
156	Vdovin S. (Rujan)	1
157	Medovnik A.A. (AleksHoney)	1
158	Pischasov A. (pischasovalex)	1
159	Shikov V. (Viktor_TG)	1
160	Koroleva N. (tata_prada)	1
161	Dan'shin E.N. (4inb)	1
162	- (icndel)	1
163	Sarkis'yan G. (gennadi_s)	1
164	Smanov N.N. (Nurzhan_472)	1
165	Vakhitov (MurikVh)	1
166	Astredinov I.G. (__monk)	1
167	Kushnir S.A. (Wishmaster190281)	1					ban	ban
168	Sokolov (zelenogrodov)	1
169	Sykuleva V.G. (veronikas1702)	1
170	Denisov S.A. (serjantus)	1					ban	ban
171	Karmatsky V. (Karma_7869)	1
172	Bondarenko I.B. (Vector089)	1
173	Ya A. (AReNt)	1
174	Stepanov (LexFrom)	1
175	Kosyuk V.D. (holyslatt)	1
176	Aidarova A. (allaroomie)	1
177	shakirova (kkampot)	1
178	Cheprasov A.A. (andruwa_01)	1
179	avtutov (lion.rally4i)	1
180	test T.T. (yoyoja344)	1
181	Lysykh V.K. (Usilitel')	1
182	Makeenko D.Yu. (SheWick)	1
183	Sotnikov D.V. (locksmich)	1
184	Gizatulin V.S. (Vadim Gizatulin)	1
185	Postnikov (styofik)	1
186	Tolstik D.N. (DiNiKiN_II)	1
187	Maikenov O.-. (psevdoOtankhan)	1
188	Odintsov G.Y. (Jopix)	1
189	Grabovskij A.K. (aleshamay)	1
190	Teplyakova D. (Daria T)	1
191	Sipin D. (pandaatwork)	1
192	Golovleva M. (ov0schtsch)	1
193	Shorokhova (bombodil)	1
194	Shejerman G. (galavision)	1
195	Eugene (home_head)	1
196	Vlad V.V. (Bleckeid)	1
197	Ravcheev (Nikitiwe)	1
198	Markevich A.A. (Nastyayaya)	1					ban	ban
199	Rezvan (SilentLand33)	1
200	Kazitskij D.S. (psaewd)	1					ban	ban
201	Erykalin (IJAKIBS)	1					ban	ban
202	Soboleva I.Yu. (Matreshka_)	1
203	Eselenok A. (avvenni)	1
204	Bukharinov D.S. (DIeightB)	1
205	Avetisova A.A. (Linchik)	1
206	Gimadeev T. (VLEENX)	1
207	Karaev (Norvil)	1
208	Lymar' K.K. (Kirill L (TsI))	1
209	Zap M. (MarinaZap)	1
210	Ishkaev A.O. (ishkai)	1
211	Koblan M.M. (Ma9zhan)	1
212	Gol'dman E. (Bessmysliye)	1
213	Dolinina D. (Dol'ka)	1
214	Sapsin M.A. (Maksim Sapsin)	1
215	Bedritskij (Movelius)	1
216	Leonhard (switch-commit)	1
217	Testov (kcsxzz)	1
218	Dzhapparova A.Z. (alllllso)	1
219	Lantsev V.A. (Vitalii_1986)	1
220	Altyntseva A.D. (aestttlina)	1
221	Popov (Kuningas)	1
222	Sergeeva U. (ulyana_ss)	1
223	Dudkevich V.V. (CitrusBird)	1
224	Unregistered	32

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