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April 17, 16:13 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	Nazarova V.K. (varya_nazarova)	1			16	19	ban	ban
2	FG A. (StasyaSP)	2			6	8	2	2
3	Volkova M.V. (Marie_Kova)	1			5	6
4	Odnokurtsev (AlFochino)	4	2	95		3
5	DO R.M. (danchikPi)	1	1	23		3
6	Klyavlina V.S. (mc_flurrry)	1			3	3	8	10
7	Kislekov A.M. (Panzerkampfwagen)	2	1	24		2
8	Vasev A.V. (Vasev_Aleksey)	1	1	34		2
9	Gorbunov M.S. (gms)	1	1	19		1
10	Potemkin (Yazon_79)	1	1	-16		1
11	Nikolaev A.N. (n1kolaevs)	1					13	30
12	Safonov (pupupum)	1					15	26
13	Yagudin (PLink1)	3					15	21
14	Nikolaeva M.Yu. (mrooozzz)	2					15	21
15	Orlov D. (MulTTiK)	2					13	16
16	vb G.G. (ALIjj)	2					ban	ban
17	Rzaev (tgrnk)	2					10	15
18	Vlasova (LilSvin)	1					9	15
19	Bochkareva A.A. (Fra1n)	3					11	14
20	Akhmel'zyanov D.Z. (Damirich174)	1					10	13
21	Alekseeva A.V. (Konfetka585)	2					8	13
22	Filippova K.S. (rogedeerk)	1					8	13
23	Yusubov I.N. (IsaYusubov)	1					8	13
24	Askhat B.O. (Shag-Foal)	1					9	12
25	Safronov A.S. (Gogen)	1					10	11
26	Kil'ka (lazzzarev)	1					9	11
27	Yakubaeva A.V. (YakaY)	3					8	11
28	weq Q.Q. (leoboss)	2					8	11
29	Serdyuchenko E.Yu. (eserdyuchenko)	2					7	11
30	INikolaev I.M. (Ivan28429)	1					8	10
31	Glukhov A.E. (Bobik322)	1					7	10
32	musaliev B.B. (mbpride)	2					6	10
33	Gabdullina (kharkovskaya)	1					6	10
34	Kostylev (bobirechek)	1					7	9
35	Bubin (Prokrastinator Andre)	1					7	9
36	Boeva O.M. (olga_boeva77)	1					6	9
37	Zhavoronkina M. (maria zh)	1					6	9
38	Skald (RussellSk)	1					5	9
39	Myagkova M. (myagkovam)	1					8	8
40	Malkova E.I. (Lacher1)	2					7	8
41	Maslov N.O. (Nikita_Volgograd)	1					6	8
42	Konstantinov -.-. (vasya132123)	1					5	8
43	Nurbaev V.V. (Ulanovka)	1					5	8
44	Sergeev I.A. (skorodum)	1					4	8
45	Efimov V. (YOLMMi)	1					7	7
46	Baral S.S. (dakudaddy)	3					6	7
47	kashirina K.S. (ammme)	2					5	7
48	Cidoruk M.A. (Marika2507)	1					5	7
49	Krylova D.A. (krylovada)	1					5	7
50	Klimachev L.S. (12345norm)	1					5	7
51	Shnar A.M. (Al1405)	1					4	7
52	Kolesnikov A.E. (Ellety)	1					6	6
53	Kukshinov D.S. (DanFort1)	2					5	6
54	Chernyshev A.D. (MakedonskijTsar'IBog)	1					5	6
55	T (aksined888)	1					4	6
56	Shitsyn T.A. (Yota611.)	1					4	6
57	Bogatyrev N.V. (BNV2873)	2					3	6
58	yakov (yakov19961)	1					3	6
59	Leonenko V.A. (Leo228007)	1					3	6
60	Almazova N. (nurkyial)	1					3	6
61	Lobanova M.L. (lobanovamariya)	1					3	6
62	Andreev D.I. (Rusinov Aleksej Mak)	1					5	5
63	Khrupkin V.S. (CordloPerdlo)	1					5	5
64	Familiya I.O. (Aura0)	1					5	5
65	A (Gaborik)	1					5	5
66	Inanova N. (NaydenaGinger)	2					4	5
67	Tajgina A.R. (Tayone)	1					3	5
68	Vladimir (Vovzes)	2					4	4
69	Manasyan V.A. (Vika543)	2					4	4
70	Boldov (LilyaEpitet)	2					4	4
71	adasdasdw (kololkikfon)	1					4	4
72	Alekseev A.S. (Andser)	1					3	4
73	Yushina A.N. (Student63)	1					3	4
74	Batashova S. (sbatashova)	1					3	4
75	Vasil'ev (GudiniMoonlight)	1					3	4
76	Afanas'ev V.A. (AVA_13)	2					2	4
77	Teterin R.V. (virast)	2					2	4
78	Bocharova V.E. (Malvisa)	2					2	4
79	Fedorov K. (kira q)	1					ban	ban
80	Lyal'kova I.S. (Davydova)	1					2	4
81	Vasyukova V.I. (wwwowww)	1					2	4
82	Klepikov A. (AntonKlepikauu)	1					2	4
83	Marlow J.J. (joe65536)	1					2	4
84	Panicheva V.D. (_Vika_)	2					3	3
85	Miroshkina (Miroshka)	1					3	3
86	Sibirkin Yu.P. (ReturnToVictory)	1					2	3
87	abakumova S.I. (abaqmova)	1					2	3
88	Kachalov Z.A. (love_kach)	1					2	3
89	Mikaya (Gio9248)	1					2	3
90	Gorokh U.R. (uly5465212)	1					2	3
91	Novitskaya (Katinn)	1					ban	ban
92	Mamelin D.A. (REDLESS)	1					1	3
93	koma K.K. (koma/aaa)	1					2	2
94	Fedorov (manul115)	1					2	2
95	Petrov N.V. (Nick21)	2					1	2
96	Salazar (Mirazuz)	2					ban	ban
97	Bar N. (19_Nikol@y91)	2					1	2
98	Z Y. (YERL)	2					1	2
99	Pozdeeva M.A. (mashapozdeeva)	1					1	2
100	Ivanov I.I. (sql_svinger_double_finger)	1					1	2
101	Popov D. (linklib.web)	1					1	2
102	Kor (girlwithdata)	1					1	2
103	Islom M. (fr0stman)	1					ban	ban
104	Kalinovskaya O. (OlesyaKalinovskaya)	1					1	2
105	Markova T. (Tata2211)	1					1	2
106	kir V.U. (Linay11)	1					1	2
107	Nosonov M. (Magne)	1					1	2
108	Zadonskaya E. (zundens)	2					1	1
109	Sokolov S.V. (Madest)	1					1	1
110	Nasibullina G. (anomaly1)	1					1	1
111	1 V.1. (WZell)	1					1	1
112	Balakina E.D. (balakina)	1					1	1
113	Kudryavtsev V.P. (Kudryaxd)	1					1	1
114	Sterkhov (ElecSir)	1					1	1
115	Afanas'eva D. (lskmgjoisljkgdf)	1					1	1
116	Mad'yarov (Ndrix)	1					1	1
117	Plavskikh (Aaap)	1					1	1
118	Shablinskiy M. (puqupu)	1					1	1
119	Pichkalyova M.A. (Maria____17)	1					ban	ban
120	Mischenko (TheSith)	1					1	1
121	Shutova P.A. (iolin)	1					1	1
122	Rusinov A.M. (AXTR)	1					1	1
123	Mulyukina A.R. (carolinaredeyes)	1					1	1
124	Efanova S. (kitsuneho)	1					1	1
125	M (DanilM2304)	6
126	Koptel'tsev V. (selber)	3
127	Z A.I. (kindafaekQA)	3
128	Gusev A.O. (NowOrNever)	3
129	Baskal (Bairal)	3
130	Komov S.M. (Komov S. M.)	3					ban	ban
131	Shvetsov D.Sh. (DanechekSw)	3					ban	ban
132	Sil'van (silvr)	2
133	Sergachev A. (SDAndrew)	2
134	Zh A.A. (Amir________)	2
135	Turbabin A.I. (Yanissaari)	2
136	Podgajnyj V.I. (Stalkon117)	2
137	Disyun K.E. (OkLexi)	2
138	Sokolov (zelenogrodov)	2
139	Zhidkikh I.A. (Ivan.Zhid197)	2
140	Altynbaev T.A. (14KARAT-prog)	2
141	Gamova E. (Ekaterina_gam)	2
142	Shakirova Zh.E. (Akinoame1)	2
143	Qodirova S.O. (Eurus)	2
144	Tereschenko M.Yu. (MishaaT)	2
145	Bondarchuk V. (Bonikrus)	2
146	Odintsov K. (Odintsov)	2
147	shilkin (Shilkin4.0)	2
148	Shibaev (saah)	1
149	Kurochkin P.A. (qwrqwr)	1
150	Pastukhova Yu.G. (yulianka)	1
151	Levchenko F.V. (-=Lion=-)	1
152	Dauletbekov D.B. (Danikkk)	1
153	Polyakov V.M. (rock_4)	1
154	Sigankov V.I. (vasilyvanc)	1
155	Novikov R. (SoulVortex)	1
156	Petrov (Steamboat)	1
157	Gudkov K.S. (CSKir)	1
158	Abdulmanapov A. (Dvarik)	1
159	Sobolevskaya V.A. (axfomoss)	1
160	Varganov (Varganovk)	1
161	K L. (leonoid)	1
162	Nikol'skij I.Yu. (igoryun)	1
163	Krivchun D.S. (Den2i)	1
164	eqweasdd (alexa123123gth)	1
165	Abilkasimov I. (Pythonbek)	1
166	Sergey (Floony.by)	1
167	Sel'dereev A.T. (ironduck)	1
168	Lipov D.A. (lip_da)	1
169	GOLTSOV D. (sql-learner21)	1
170	Malykhin A.E. (Katakuri)	1
171	Kedrin V.S. (SibViking)	1
172	Vdovin S. (Rujan)	1
173	Bogorad M.D. (maksimBd1)	1					ban	ban
174	Chirkov K.I. (Kirillion)	1
175	azunai (Azun4i)	1
176	Pavlova N. (npavlova)	1
177	Idrisov M. (Marik_80)	1
178	Ponizovkina A.I. (wolfyrose)	1
179	Vydysh P.V. (Vydysh Pavel)	1
180	Stepanov V.S. (luc1o)	1
181	Shikov V. (Viktor_TG)	1
182	Loginov S. (loginov_sql)	1
183	nektov (Nekto95)	1
184	Muravev S. (zerg82)	1
185	Sarkis'yan G. (gennadi_s)	1
186	Simonov A.A. (MedveD11)	1
187	Belousov D.I. (DmitriyB31)	1
188	Petrov I. (btophikmeh)	1
189	Gretskikh M.S. (Greckih)	1
190	GHT (Foma_Kinyaev)	1
191	Wilkinson (Thomas_Wilk)	1
192	Odegov A.I. (KovroLitik)	1
193	Sviridov D.V. (dan20qwrt)	1
194	R. (Wra1th)	1
195	mivanov M.D. (it.annnnnnn)	1
196	- (hasturabyss)	1
197	Stepanov (LexFrom)	1
198	Doroshevich A.R. (Alexei2019)	1
199	Shevyrev R. (shev10)	1
200	Alek (litvin001)	1
201	Lysykh V.K. (Usilitel')	1
202	TVE (Khozyain)	1
203	Skoigor (poehali)	1
204	Gazizov (garif52)	1
205	Mityulin A. (Andrey_Mi)	1
206	Borodin V.A. (Ludoman)	1
207	Sal'nikova A.A. (Selena123)	1
208	pathade S.C. (sweta p)	1
209	Denisov N.A. (colorized!)	1
210	Butenko D. (Sipuha89)	1
211	Atashkhoja A.K. (Khan_38013)	1					ban	ban
212	Krasnolobov A.A. (supporter1101)	1
213	Kaliuzhnaya E. (Ella07_85)	1
214	Ibo K. (Kemchik)	1
215	Eugene (home_head)	1
216	Konovalov (JustUty1)	1
217	kotikov (airat_kt)	1
218	Pan'shina A.G. (AlexashaKim)	1
219	Matytsina (Vetra)	1					ban	ban
220	Bykov (DK1717)	1
221	D V. (DlytexKtoPoidetSledom)	1
222	Parshukova (qwq3434)	1
223	R. A. (Erayo)	1
224	Soryu A.L. (RemiliaScarlet3)	1
225	Musaeva S. (Saidochka)	1
226	Tukeshev U.K. (Ulan Tukeshev)	1
227	Lekomtsev (Teck-)	1
228	Jarvis (JarvisInTheJar)	1
229	good_guy (borisiuk_sql_13)	1
230	Pribluda A.V. (anti-tank_hedgehog)	1
231	No (TenG0)	1
232	Polosina (Anastaiia)	1
233	Nazarov D.V. (putnic 777)	1
234	Tarabukin (Markit125)	1
235	Sharapa A.V (LX26)	1
236	Nesterov A.M. (MrmeEnoq3)	1
237	Markov M.M. (Kul'minatsiya)	1
238	Bogacheva (olllb)	1
239	Shevtsov V.D. (shevablash)	1
240	de sad D. (darius de sad)	1
241	Natarova (EvaNat)	1
242	Bayazitov A. (teenromance)	1
243	Khrisanov A. (TeXHuK_21)	1
244	ismailov I. (spectra)	1
245	Vinnikov I. (Ivan_Vinn)	1
246	Kornovan D. (DFK_1991)	1
247	Mitrokhina A. (Alena777)	1
248	Kudryavtsev E.M. (BlackFoo)	1
249	Petrenko I.A. (niko-101)	1
250	Unregistered	33

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