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October 23, 13:44 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	Ryzhov N.A. (PEP_8)	1			10	11
2	Sh S. (junopark1)	3			4	6
3	Kolosov K. (triplex628)	1	2	2		2	3	3
4	Tsybin A.V. (magicdragon)	2	1	48		1
5	Dugin D.R. (DYGIDAI)	2					ban	ban
6	Ukhov A.A. (Art1kkle)	1					15	27
7	Gladkov D.E. (Horor39)	2					15	25
8	Tupilkin K.A. (Tkolkol)	1					ban	ban
9	Makushin A.V. (sqldemon2)	2					15	24
10	Bajraktar A.I. (DozenZozen)	1					13	22
11	Fedosova T. (fed0s06)	1					12	20
12	Klochkova D.A. (Daria_Klochkova)	1					12	20
13	Ivanova O.N. (olga_ivanova)	3					11	20
14	Rumyantsev M.I. (aatonement)	2					11	19
15	Tupilkin K.A. (tythSk)	1					ban	ban
16	Abrosimova L.S. (Llladen)	2					13	17
17	Tupilkin (iuiuhiu)	1					ban	ban
18	Radaev K.V. (Hkzume)	3					12	16
19	Zhidkov A.V. (ZAV19)	2					11	15
20	konstantinovna (poopa2)	1					10	15
21	Akhmetov A.A. (Albert2911)	3					11	14
22	Lindberg (Sara21)	1					10	14
23	Razova D.V. (s7ipper)	2					9	14
24	Krivets M.S. (Maria Krivets)	2					9	11
25	Smirnov (Nightcxrx)	1					7	11
26	Sharov (tupicapolniypryam)	1					7	11
27	Ivanov (0Tim)	1					7	11
28	mk (mk26)	2					8	10
29	Chajkov I.V. (Lokhmatyj gnom)	2					7	9
30	Zvyagintsev A. (AhMahmucin)	1					7	9
31	Ledyaeva (Tsvetochek_90)	2					6	9
32	Tatarinova A.D. (obezyana)	1					6	9
33	verysimpleuser000 (verysimpleuser000)	1					ban	ban
34	Vlasov O.V. (Ftyvxf)	2					ban	ban
35	Belyaev (belyaev2022)	1					5	9
36	Lykov (BenyDix)	1					6	8
37	Anonim (Antonim)	2					5	8
38	Klyukin V.N. (Camel_blue)	1					5	8
39	. (cocakola)	1					ban	ban
40	Konischev M. (Miguel_che)	2					6	7
41	Sokol N.S. (NSokal)	2					6	7
42	Anikanova V.V. (Vishanya)	2					6	7
43	Maslennikova V.O. (valya.maslennikova)	2					5	7
44	Safiullin D. (DAMUR)	2					4	7
45	Semenov V.N. (FullJoin77)	1					5	6
46	Sevkov (Alex Pirat)	5					ban	ban
47	Rodnikov K.A. (RodichKrut)	1					4	6
48	Zharinov G. (GeorgyZ)	1					4	6
49	Fajzulina S.Sh. (snejanna)	1					3	6
50	Otstavnov E.I. (zhenk)	2					5	5
51	H L.M. (estella12)	1					5	5
52	Fil (XdocentX)	1					5	5
53	Revin L. (Dog_WaterSQL)	1					5	5
54	anarbaeva M.A. (gravillat)	3					4	5
55	Dulanov A.S. (8bobrik8)	2					3	5
56	Turnitskij N. (Devilboi)	1					3	5
57	Muftiev I.N. (imncoder)	1					3	5
58	interesniy C. (a_kkxr)	1					3	5
59	Bychkova E.A. (ekl_mn0)	1					3	5
60	Tret'yakova T.I. (Tret'yakova Taisiya)	2					4	4
61	fingerut (alnanfyz)	2					4	4
62	Belousov I. (ilushenssss)	1					4	4
63	Da (ustablke1337)	1					4	4
64	Bbb (BezZeB)	3					3	4
65	Tryapishko A.A. (bronynosets)	2					3	4
66	Starchenko K.V. (Voenkomp)	2					3	4
67	Ivanova (evkaa1234)	2					3	4
68	Zhabina I.S. (Irina Zhabina)	2					ban	ban
69	Velich E.A. (Ainakakal)	2					2	4
70	Alejnikov V. (teemo_SQL)	1					2	4
71	Ivanova M.A. (MariaIvanova267)	1					2	4
72	Alekseev D.S. (snwr)	1					2	4
73	Gachegova I. (ilonza G)	1					2	4
74	Belousova A.S. (anny.sch)	1					2	4
75	Gareev R. (robertocarlos718)	1					2	4
76	Mishin R.G. (Parzeval)	1					2	4
77	Ptashkina Ya. (Asteri)	1					2	3
78	Ushakov A.Y. (ushakov94)	1					ban	ban
79	Savvinov A. (andreysavv)	2					2	2
80	alebobo (alebobo1)	1					ban	ban
81	Zemlyakov M.S. (Maksim80)	1					2	2
82	Cherednichenko Yu.V. (Kottosh)	2					1	2
83	Sergeenkov I.V. (bySergeenkov)	2					1	2
84	Filatov D.D. (Anticoder)	1					1	2
85	Popruha S.M. (qyss)	1					1	2
86	Sharonov P.A. (PiroReshala)	1					ban	ban
87	Teterin R.V. (virast)	1					1	2
88	Rybakova M. (Mashka10)	1					1	2
89	Kurskaya K.D. (kamila_123)	1					1	2
90	Petrova P.A. (petrovapolina0722)	1					1	2
91	Romanyuk A. (Romanyuk Anna)	1					1	2
92	Torsunov M. (Fliper Gert)	1					1	2
93	Demidenko D.A. (Danila Dem)	1					1	2
94	Kakotkina S. (kktkn_s)	1					1	2
95	Khodyachikh V.O. (valeria01)	1					1	2
96	Enin G.Yu. (GlebEnin)	1					1	2
97	T E.V. (Genius_91)	1					1	2
98	Kodov D. (SQLBoss1010)	3					1	1
99	Kajdash S.A. (sonkalala7d)	2					1	1
100	Sharipov (RRRaaavvv)	2					1	1
101	Artemev L. (Leonid S.)	2					1	1
102	Sweatpea (sweatpea)	1					1	1
103	Rustamov (Vladimir133)	1					1	1
104	Plotnikov O.I. (oleshka01)	1					1	1
105	Berseneva T.M. (Bersa_3785)	1					1	1
106	Romanchuk I.A. (ial.romanchuk)	1					1	1
107	1212 (PuLi_0T_BaBuLi)	1					1	1
108	Lebedev G.A. (xeGalaxy)	1					1	1
109	Grabchuk A.M. (Middlewarer_pseudo)	1					1	1
110	Mamytov K. (Kadyrbek)	1					1	1
111	Vasil'eva A.S. (chev_o_)	1					1	1
112	Rud' V.V. (drmbsv)	1					1	1
113	Denisova A.A. (IrisSska_6)	1					1	1
114	Akak (Akakiy_sql)	1					1	1
115	Lobo M. (Mystica)	1					1	1
116	Che (SQL_user_ps)	1					1	1
117	Gitinomagomedov (gmansur88)	4
118	Krasovskij E.A. (pegoopik)	3
119	Gorbunov M.S. (gms)	3
120	koba (koba79)	3
121	Markin N. (Qmaro)	3					ban	ban
122	Sarkis'yan G. (gennadi_s)	3
123	Askerbek D.A. (asker_dar)	3
124	Pautov (Dildachell0)	3
125	Kur D. (jamalk)	3
126	Molchanov N.A. (nick21064)	3
127	Ostapchuk A.B. (Antonioss)	2
128	Mahmoud (developer1086)	2
129	Shapovalova A.D. (Aleksukha)	2
130	Lukutova A.A. (Lukutok)	2
131	Konstantinov A.E. (Kalindell)	2
132	Bychkou (rbychkou)	2
133	Leventsev A.A. (ghost7k)	2					ban	ban
134	Svidinskaya E.S. (lena453672890)	2
135	Abdulbyarov Z.M. (Zinych)	2
136	Sotnik A.B. (UShLYJ MEDOED)	2
137	Artemev I. (Shkiper 25)	2
138	Sultanova D. (DashOk_84)	2
139	Ryabchikov V. (mr.Vasiliskin)	2
140	almousa (Ghina)	2
141	Us V. (vladkozz13)	2
142	Zago E. (evgeniatorr)	2
143	Vasyukova D.V. (Diana Vasyukova)	2
144	Suchkov M.Yu. (Kernunos)	1
145	Jorge (Plaster02)	1
146	Koptel'tsev V. (selber)	1
147	Assur (Denlor39)	1
148	karasy (valdecarus)	1
149	Ismagulov A.U. (arstan)	1
150	Kryl Yu. (Samick182)	1
151	Sabirzyanov A. (Supervisorrr)	1
152	Kil'dyusheva V.R. (Violetta_K)	1
153	Yakshin I.V. (ivan_y)	1
154	Nikakuschev A.P. (Starlick)	1
155	Pushistova D. (Dar'ya_ya)	1
156	Brown F.-. (wiley67)	1
157	Shibko A.M. (Ales'_1987)	1
158	Mikhajlov N.S. (HecsOne)	1
159	Tsoj A. (Tsoj Andrej)	1
160	Zosidze (Kate_Zosidze)	1
161	Glukhova Yu.V. (Narasslabone)	1
162	Sagdiev (iSagdiev)	1
163	Strunnikova K.E. (WasabiFox)	1					ban	ban
164	Shshshshsh S. (dark_goose)	1
165	Skokov B.S. (leks$$)	1
166	Rodin (uoloki)	1
167	Vakhitov (MurikVh)	1
168	Ivanova E.S. (Upss321)	1
169	Petrov (Pluuusha)	1
170	Balashov V.O. (BalasV.)	1					ban	ban
171	Khmelev D.R. (dmitry_1606)	1
172	R. (Wra1th)	1
173	Orlova E.A. (itkotik1)	1
174	Komov S.M. (Komov S. M.)	1
175	Maratov O. (spoer)	1					ban	ban
176	Grishaev V.V. (VladimirGV)	1
177	Grechka Yu.A. (Grui)	1
178	suvorov (alexxxx1337)	1
179	Erashov (RenKa)	1
180	Kupitman K.M. (kseniia_pug)	1
181	mayers R. (rakimmayers)	1
182	Khakhulina E.V. (Akulina)	1					ban	ban
183	Kunchenko E. (ElenaK1990)	1
184	Luchin D.A. (SunDay1337)	1					ban	ban
185	Chastova E.A. (Kate44)	1
186	Bakhyt (Super_Noova)	1
187	Mishenev M.M. (Mishenev Mikhail)	1
188	Mikhajlova S. (Sloechka)	1
189	Aziz (Shukrullo-hettiera)	1
190	Andrusenko E.S. (Ekaterina Andrusenko)	1
191	Nefedov P.A. (Pavel173)	1
192	Sav H. (Master83_65)	1
193	Shishova D.D. (doshiko)	1
194	Sechnoj A.K. (Sechnoj Andrej)	1
195	Kislykh A.I. (ArsenyKis)	1
196	Raevskaya E.I. (ayarinon)	1
197	Nazarov A. (R2D2_1999)	1
198	Koba N.L. (Darell04)	1
199	tkachenko (NotFufx)	1
200	Efimenkova Yu.I. (julia.efa)	1
201	Andriyanov R.A. (roman_sch2)	1
202	D (Hiruni)	1
203	Simonova A. (Madame)	1
204	Hatsko (VeronikaHatsko)	1					ban	ban
205	Ostolopovskij Ya.V. (ostolopovskiy)	1
206	Zhuravlev F.I. (yngst6r)	1
207	Shirvakov R.R. (Rafailsh)	1
208	Ivanov I.I. (Gazovichok)	1
209	Merchanin K.S. (nywok)	1
210	Trofimov D.V. (bongO1896)	1
211	Galchenkova M. (galchenkovam)	1
212	Khoroshavin A. (fr0stlex)	1
213	Barsegyan V.D. (vladilius29)	1
214	Yurinok A. (ellecktron)	1
215	Mkrtchyan M. (xvmkr)	1
216	poly_sladkiy (poly_sladkiy)	1
217	Ronin (RonDE)	1
218	Pavlushkin A.A. (emoeater66)	1
219	Alinina A. (alinaarftot)	1
220	Aliev G.Sh. (Pastux)	1
221	Krylov G. (pupo1)	1
222	Glukhov (brushan)	1
223	Magerramov E.B. (Lwin)	1
224	Petrov (Yoryyy1)	1
225	Xavatos (Xavatos)	1
226	gor G.G. (gor2009)	1
227	Mikhajlovskij S.A. (Ubavilo)	1
228	Dushka S.N. (Eskeych)	1
229	Kutubaev E. (yerlank)	1
230	Kaganov D.M. (Cl@iv)	1
231	Leshenkova A. (A__L)	1
232	Bel A. (Alex1112)	1
233	Lev (fankk)	1
234	Glotov D.D. (DyadyaDanya)	1
235	Pyshschyk P.N. (Pawel-green)	1
236	Kultyshev (Tookieko)	1
237	Vavilych (MipH)	1
238	shuriken (shurshur)	1
239	Sterkhov V. (bem0t27)	1
240	Dmitrieva A.D. (LamaKarl)	1
241	Turaeva S.A. (turaeva)	1
242	Krivushkova A.I. (sk_2002)	1
243	Ilyin (veritys)	1
244	Chirikova N.V. (NataliCh)	1
245	Sobolev (Saints)	1
246	Sleptsov A. (flex@)	1
247	Unregistered	44

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