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February 14, 17:12 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	Oginov D.M. (Wereteno)	1			3	3
2	Kad V.Y. (s108)	1			2	3
3	Kremen' Yu.A. (Test007)	1			1	1
4	Schekotova V.A. (Leee77)	1					ban	ban
5	Sadykay A.S. (Akzhollio)	1					ban	ban
6	Akebek M. (Miras38097)	1					15	27
7	Dobrynin A.M. (craz_arl)	1					14	27
8	Mukhametzhan M.A. (Miras2181)	2					15	25
9	Targyn M.A. (M4N_T4)	1					15	25
10	Yermukhan R. (gokuguro)	1					15	25
11	Talgat A.B. (Altux)	1					15	25
12	Marat A.N. (Abla1)	1					15	24
13	Nedoborenko K.K. (K_Nedoborenko_64B)	2					15	23
14	fdsfsdfdsfd (fjksodjfosidjiro)	1					15	23
15	mels A.M. (kkharvey)	1					15	23
16	Yudin E.V. (egork@)	1					15	22
17	Kamza A. (drgibjosh)	1					13	22
18	Nailova K.R. (kamok)	1					15	21
19	Olpanbay A.A. (Assyk232)	1					ban	ban
20	Trushnikov M.N. (chajan)	1					11	20
21	Zubenko M.P. (dmitrius98)	1					15	18
22	Grinenko I.S. (grenka9)	1					15	18
23	Nurdilda M.Y. (mairusha)	2					14	17
24	LOG N.E. (LOGKFK)	3					13	16
25	Norton (hrraaggh_hrraaggh)	1					12	16
26	Seitzhan N.M. (aiyym)	3					13	15
27	Musl A. (hammep)	1					ban	ban
28	Shvets (ASchwetz)	2					10	13
29	Dolgopolov Ya.M. (ANNAZBOL)	1					10	13
30	Tolstov K.V. (TolstovKonstantin)	1					11	12
31	Shebnev (si.shebnev)	1					9	12
32	Lyubimova A.V. (nastyana)	1					9	12
33	Shirokorad K.D. (ksuzi)	2					7	12
34	Zolin A. (artem333666)	1					ban	ban
35	Grigor'ev (AFxAster)	2					7	11
36	Erbatyr A.E. (aigerim1406)	1					ban	ban
37	Zheltov V.Yu. (xz_pochemy)	1					5	10
38	Smirnov S.Yu. (miero12314)	1					7	9
39	dfsfssf (prprprprp)	1					5	9
40	Luzin (Igoryasha)	5					7	8
41	Laptev V.A. (Arnol'd Shvartsnegger)	1					7	8
42	telagisov D.D. (SAVER454)	2					4	8
43	Kirill (P0dp1vass)	1					4	8
44	Chumakov A.A. (Superkent)	1					4	8
45	Pesotsky R.R. (NormanGold)	1					7	7
46	Golovyoshkin A.E. (r3dik)	1					7	7
47	Kasimov I.M. (Il'fat)	1					7	7
48	Dudov (PinhasD)	2					6	7
49	Efimenko (Ezhevika2196)	1					6	7
50	Katya (mccat)	1					6	7
51	Gadzhiev (nu3on)	1					5	7
52	k K.K. (onix13)	2					6	6
53	Secret (Toshakartoshajp)	1					6	6
54	Bystrov (6blCTPOmiha0)	2					4	6
55	Bagdasaryan A.A. (Armaand)	2					ban	ban
56	Bityutskij S.A. (HaNsOo)	2					ban	ban
57	Shironina A.A. (anya shironina)	1					3	6
58	Badakh'yan S. (wamp.j)	1					3	6
59	nazar'eva A.R. (albina1234.)	1					3	6
60	Glubokova (Dar'ya G.K.)	3					5	5
61	Kononov A.A. (Rlotik)	1					5	5
62	Sirota A.A. (arem8107)	1					5	5
63	Sergo (An_Swer)	1					5	5
64	Birmanuly A. (alikhannn)	1					5	5
65	Zholdasov A.S. (asyl10)	1					5	5
66	Zyryanov S. (semzyr)	1					5	5
67	dorzhiev B.C. (moodzan)	1					5	5
68	Sal'nikova A.A. (Selena123)	1					4	5
69	Yerlanuly A. (Moon077)	1					ban	ban
70	Badalyan D.S. (Lilinad)	1					4	4
71	Druzhinina (ZojaDr)	1					4	4
72	Naavgust (august0321)	1					4	4
73	Shirokov M.A. (Dr.Mikhail)	1					4	4
74	Efremova (eda_shhha)	1					4	4
75	Rinat D.R. (Didar1)	1					4	4
76	Beisen A.Zh. (akoss_06)	1					4	4
77	Gilyazov (vulcanix)	1					4	4
78	Panova V.R. (Vikusik6422)	2					2	4
79	a B.C. (tapo4ekk)	1					2	4
80	Dridor'eva N.A. (Nat_commit)	1					2	4
81	Bezhaneishvili M.Z. (igggiru)	1					3	3
82	Rafikov G.K. (gog110)	1					3	3
83	O (blastfm)	1					2	3
84	Nikolaev (Fro66y)	1					2	3
85	Otradnov (Sdn19012026)	1					2	3
86	Kuz'minykh E. (tomkiller)	1					2	3
87	Treskin D.M. (zubastix2)	1					2	3
88	Yakovleva A.S. (ArinaYa)	1					2	3
89	Can (svetonik)	2					2	2
90	Afanevich E. (Ketra)	1					2	2
91	Bydantsev A.V. (Nova10)	1					2	2
92	Petrov N.V. (Nick21)	3					1	2
93	Timshin N.E. (extaazza)	3					1	2
94	Efimov V. (YOLMMi)	2					1	2
95	Tikhonov (behav10ur1)	2					ban	ban
96	pavlov I.A. (ilushkinnn)	2					1	2
97	Moneskin I.N. (fovente)	2					1	2
98	Bilovus O.V. (ponichka)	2					1	2
99	Matveev A.A. (matinhno)	2					1	2
100	Kadochnikov (Kadochnikov Andrei)	1					1	2
101	Pletnikov K.V. (OLEG_228)	1					1	2
102	Bueva A.V. (yeeen)	1					1	2
103	Mal'tseva A.V. (bombardino krokodilo)	1					1	2
104	First_name N.L. (logt24)	1					1	2
105	Kashin A.D. (Alkashh)	1					1	2
106	cubera V.V. (vasyan111)	1					1	2
107	Vysotskij (Bulochka_Bulochka)	1					1	2
108	Chursin S. (ser_chur)	1					1	2
109	Golubev A.P. (GlobusAfrika)	1					1	2
110	Schapov (__sql__)	1					1	2
111	Krapivina L. (epywabi)	1					1	2
112	Mukhamedzhanov R.M. (Balmain)	1					1	2
113	Medvedev K.A. (kirill-medvedev)	1					1	2
114	Amirova D.O. (dar1)	1					1	2
115	Pankova V.S. (ustinia)	1					1	2
116	Chebotareva A.O. (Serafff)	1					1	1
117	Olejnikov A.A. (lefes)	1					1	1
118	Kamarouski A. (akamarouski)	1					1	1
119	Pradhan R. (@rohit)	1					1	1
120	Botina D. (daria2025)	1					1	1
121	Orlov G.K. (grsc)	1					1	1
122	Astakhov I.I. (IvanAstakhov)	1					1	1
123	Pupkіn O.V. (Sasha25161)	1					1	1
124	Sal'nikov A.M. (Arturchik123321)	1					1	1
125	Sagyntay (Orynkul)	3
126	Slobodchikov I.A. (chajnyjpaket4)	3					ban	ban
127	Sergeeva E. (aterra)	2
128	Konyavskij A. (Kohsa)	2
129	Peregudova E.V. (Elizaveta P)	2
130	Zholdigaliev (S1ko)	2					ban	ban
131	Piskarev Ya. (piskarev-yaa)	2
132	Grechishnikova L.M. (Lidiya0512)	2
133	Kalmanov R.N. (RamazanK)	2
134	Shakiyev (Orangutan)	2
135	Yarovaya M.V. (meleema)	2
136	Grishko M.S. (m.grishko)	2
137	Rsl R. (rasul0)	2
138	Popopo (ASergeev111)	2
139	Chernykh D.R. (Diashka)	2
140	Kurochkin P.A. (qwrqwr)	1
141	Krasovskij E.A. (pegoopik)	1
142	Pupkin (Kikimora)	1
143	Koptel'tsev V. (selber)	1
144	Sigankov V.I. (vasilyvanc)	1
145	Sal'nikov N.V. (snv_ma)	1					ban	ban
146	Vavya A.V. (mgtu-ccccc)	1
147	Nikulin N.V. (nikylin)	1
148	Drovnikov S. (serjd)	1
149	Semakova E. (lukovka)	1
150	Bykov A.N. (Aleh126)	1
151	Ol'shanetskij S. (SLAV2019)	1
152	Tsepesh V.A. (Basarab)	1
153	Prorochuk A. (Kyraga)	1
154	Tsys' (Egor806)	1
155	Selezneva Ya. (Ena)	1
156	Shamaeva M.E. (shamaeva)	1
157	Milov V.P. (wolfdale)	1
158	Kruglov V.E. (krauzer)	1
159	chukina (irina chukina)	1
160	Kostyuk A.I. (Drant)	1
161	Zakutnyaya (Lyocha)	1
162	Romanov R.S. (Romanov_Roman)	1
163	Sachivko (Aries115)	1
164	Tereschenko M.A. (ZerkaloMarii)	1
165	Alexus (avg(person))	1
166	Khachatryan (aramzik)	1
167	Chmil' E.V. (CoreyTaylorSwift)	1					ban	ban
168	Sam (Merless)	1					ban	ban
169	Serebrov Y.Y. (Eugene_Ser)	1
170	12 1.1. (Zlorango)	1
171	(Ya Tana)	1
172	Chebarkladze T.S. (swcalerian)	1
173	Karpushenko A.P. (fenris06)	1
174	Plinto (plinto97)	1
175	Timofeeva I. (Miro Kaas)	1
176	Krivoshein D.A. (Hayz311)	1
177	s (malinari)	1
178	Sarkis'yan G. (gennadi_s)	1
179	Khamuev (Tabooret)	1
180	Popuga A.A. (1Kanato)	1
181	Kushnir S.A. (Wishmaster190281)	1					ban	ban
182	Ivanov (userTest1)	1
183	Borodulina A.N. (ruannik)	1
184	Oreshkov R. (ghost0211)	1
185	Steblyankin A. (SauzaSauza)	1
186	Shamshin R.A. (4oruxa)	1
187	Bes D.E. (Work0)	1
188	R. (Wra1th)	1
189	Doroshevich A.R. (Alexei2019)	1
190	Kolenko S.S. (Ned_)	1
191	Klimovitskaya (klimsofya123)	1
192	Khrustaleva (kultuh)	1
193	Abubakarov T.R. (DoubleT)	1
194	Ivanilova P. (rerory)	1
195	Ocean (Ariel Tiramisu)	1
196	Lysykh V.K. (Usilitel')	1
197	Solov'eva (Lisitsa)	1
198	Kolesnikov S.O. (bulbasaurus)	1
199	Timofeev A.T. (BegginerTex)	1
200	Ryzhakov E.S. (threadripper)	1
201	Sirota I. (krummi)	1
202	Volshina (etozhetanya)	1
203	Rodionova O. (Rovioly)	1
204	Yushina A.N. (Student63)	1
205	Volkov (AnatolyVolokov)	1
206	Raksha N.S. (NikitaRaksha)	1
207	Strebkov G.M. (vesna208)	1
208	Aksenov S.A. (Seryjjj)	1
209	Buraevskaya A.O. (Alexandra Buraevskaya)	1
210	Dron D.D. (Dron1234)	1
211	Sorokin I. (alestan)	1
212	Nasirova (Taira)	1
213	qq Q.Q. (stormxgod)	1
214	Chervyakova (Sora)	1
215	Mikhalyov E.S. (evgensiii)	1
216	iakovlev (egociant1)	1
217	Lashina (babaika2)	1
218	Kolpaschikova (ruflufy)	1
219	zhumazhan A.Zh. (akiiii)	1					ban	ban
220	Dalabayeva K. (kaamixxt)	1
221	Adil (eclassic32)	1
222	Olpanbay A.A. (Assylzhan232)	1
223	Amangeldiuly A. (CDF)	1					ban	ban
224	Reentovich (Mrslimek)	1
225	Korovina A. (AVl25)	1
226	Sotnikova M.Yu. (Mariya Sotnikova)	1
227	Selezenev K.A. (Kirill00001)	1
228	Kurkin T.S. (KTS1995)	1
229	Kibalina I. (inna.kibalina)	1
230	Novikova E.V. (Velvv)	1
231	ttttt (sqlchelik)	1
232	Osipov N.A. (Guest_1)	1
233	Tsarev A. (Aleksej1234)	1
234	Degtyarev (Maxon_Shans)	1
235	Magdalits E. (Magdalits)	1
236	Turobov N.A. (Nikita134)	1
237	Mer S. (skdo)	1
238	Baiev A.A. (Alien112)	1
239	WorldWater (5War5Fire5)	1
240	Pribytkova M.S. (mariasyrnik)	1
241	Khavich A.Kh. (Akiowww)	1
242	Frolov V.T. (kkaifarikk)	1
243	Fokina A.A. (dpapdkeo0)	1
244	Kolmakov A.V. (artyomk)	1
245	Gorul'ko (vaila)	1
246	Mel'nikov E.A. (Evgeniy_2005)	1
247	Mel'nikov E.A. (Evgeniy_2.0)	1
248	Nekotoryj O.E. (slut)	1
249	Unregistered	33

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