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April 21, 15:06 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	Sil'van (silvr)	1			3	4
2	Ershov I. (qzva)	2			1	3
3	Vyazovetskov A.S. (alex_v)	2	2	7		2
4	M (DanilM2304)	2	1	46		2
5	Polyakov V.M. (rock_4)	1	1	162		2
6	Potemkin (Yazon_79)	1	1	-5		1
7	Sarkis'yan G. (gennadi_s)	1	1	-1		1
8	Abdullina G.A. (Fleshka)	2					15	25
9	Nizamutdinov I.A. (compscience)	1					ban	ban
10	R (aaahzhz)	3					15	24
11	Kirkilan A.E. (AionK)	2					15	24
12	Budilova A.S. (Abud)	1					15	24
13	Krushel'nitskij I.A. (PurpleTea)	1					15	24
14	Dulatov (emrworld)	2					15	22
15	Nikulina A.S. (alna_nik)	1					15	22
16	Kozlov (Fedinarius)	1					15	21
17	Erykalin (IJAKIBS)	2					15	18
18	Ivanov I.I. (Gauntlet322)	1					15	18
19	Chernov I.A. (LegionOfWolves)	3					10	17
20	Artamoshkin S. (artom)	1					11	15
21	Maksimov D. (Wolfawi)	1					9	15
22	Korshikov (Ilkorich)	1					10	13
23	Valeriya (Lp-xx)	1					10	13
24	Gapshis A.A. (algapshis)	1					8	13
25	Roit (RoitKort)	2					9	12
26	Konson (SQL-starter-pack)	3					ban	ban
27	Gorul'ko (vaila)	1					6	10
28	GAME R.E. (keeennn)	1					6	10
29	Ursalov G.O. (J0ug__)	1					5	10
30	Kirill K.K. (DendyST)	2					8	9
31	Lit M.A. (Meshkere00)	1					8	9
32	darak A. (OrganicJuice8)	1					7	9
33	Birkin Yu.V. (goldcat)	1					7	9
34	Komyakov Yu.V. (dreamersleet)	2					5	9
35	Gordeeva (Lera_zzz/)	1					5	9
36	Khaziev (jiesoryb)	1					5	9
37	Murtazin (vadimmurtazin)	1					5	9
38	Yusubov I.N. (IsaYusubov)	1					6	8
39	Yushina A.N. (Student63)	1					5	8
40	Chernykh D.R. (Diashka)	1					5	8
41	Kostoev R. (Kostoev111)	1					5	8
42	weq Q.Q. (leoboss)	1					7	7
43	Permikina A.D. (Kalisa)	3					4	7
44	Ivanov I.I. (sql_svinger_double_finger)	1					4	7
45	Rzaev (tgrnk)	1					4	7
46	lang P. (qwerty2k03@)	1					4	7
47	Sona07 (Sona07)	1					6	6
48	Katerenchuk I.P. (fedya1)	2					5	6
49	Mukhortin E. (EgorM.)	1					5	6
50	Z Y. (YERL)	2					4	6
51	Smirnov (ChiefQ)	1					4	6
52	Goldobin E.G. (prm259)	1					4	6
53	Kulov R.V. (Voluk_pro)	3					3	6
54	Anchalee (Jaboo)	2					5	5
55	Postnikov (styofik)	1					5	5
56	Degovtsov K.A. (brazilian.pdf)	1					5	5
57	Morozov (Rikusha)	1					5	5
58	Sh. K.A. (Sholom123)	1					5	5
59	Sadrislamov R.A. (robertsadr)	1					5	5
60	pppat (ferta)	2					4	5
61	Likhachev N.P. (somers)	1					3	5
62	Zhikharev V.V. (su7bkl)	1					4	4
63	Inversion (InversionSpaces)	1					3	4
64	Orlov D. (MulTTiK)	1					3	4
65	Bashkov D. (Dmitrij Bashkov)	3					2	4
66	Alek (litvin001)	1					2	4
67	Paella (Aliero)	1					2	4
68	Yakovleva T.O. (mala zeleni garoschkof')	1					2	4
69	Familiya I.O. (Aura0)	1					3	3
70	Narembekov T. (fountaineww)	1					2	3
71	Mikaya (Gio9248)	1					2	3
72	Simpson (cypikx2131)	1					2	3
73	Maxsudov N. (noni_sql)	1					2	3
74	Marinski O.A. (OgnyanMarinski)	1					2	3
75	Shibaev (saah)	2					1	3
76	Almazova N. (nurkyial)	1					2	2
77	Petrov N.V. (Nick21)	3					1	2
78	lugov S.S. (sav9797p)	2					1	2
79	Domashkin D.S. (V-IV Rusty)	2					1	2
80	Zolina (nyvmicha)	2					1	2
81	Agapov A. (sbt-agapale)	1					1	2
82	A (Majo)	1					1	2
83	abakumova S.I. (abaqmova)	1					1	2
84	Lipina E.V. (ElenaLi)	1					1	2
85	pautova (sofiapau)	1					1	2
86	Fedoseev A. (woodkid)	1					1	2
87	Kolbin K.P. (dorothee22)	1					ban	ban
88	Turabekova M. (MalikaT)	1					1	2
89	A (Gaborik)	1					1	2
90	Kuznetsov (piktogor)	1					1	2
91	Zotov A. (Andrey777ght)	1					1	2
92	Sobolev A. (Gisinalol)	1					1	2
93	salimov M.-. (maximik)	3					1	1
94	Kononov A.P. (koKS1k)	1					1	1
95	Sokolovskaya E. (Limeyla)	1					1	1
96	Zhurenko (RussianIvan)	1					1	1
97	Astashenkov (Aviplacos)	1					1	1
98	Khakimullin A.R. (cranever)	1					1	1
99	Kor (girlwithdata)	1					1	1
100	Galeev (TryToFindAwork6thYear)	1					1	1
101	Ivanov I.I. (pasta123!@#)	1					1	1
102	Kornienko (Ivan Kornienko)	1					1	1
103	Shablinskiy M. (puqupu)	1					1	1
104	Dedova E.V. (Dedova Ekaterina)	1					1	1
105	Khoroshun (rutre1der)	1					1	1
106	Ivanova (Plaksa_GMK)	1					1	1
107	Andrews (Andrew Andrews)	1					1	1
108	Samojlov E.P. (test_user_SDET)	6
109	Spitsin V.V. (Vitaly699)	3
110	Trushnikov M.N. (chajan)	3
111	Volyk (Netsky199723)	2
112	Berinchik I.V. (d00x)	2
113	Krasikov A.Yu. (SiriusA)	2
114	Stepanov S.V. (Nostix)	2
115	Islom M. (fr0stman)	2					ban	ban
116	Komov S.M. (Komov S. M.)	2					ban	ban
117	Skibin V.V. (SQL_vvs)	2
118	Sten'kova V.S. (BarabashkaV)	2
119	Shvetsov D.Sh. (DanechekSw)	2					ban	ban
120	Soryu A.L. (RemiliaScarlet3)	2
121	rasokova (roitiuser1_)	2					ban	ban
122	Kim K.S. (lumbersh)	2
123	m A.V. (oceanmotioned)	2
124	kanat T. (naya111)	2
125	osipenko (diaosip)	2
126	Natal'ya (Natali_D)	2
127	Odalisqu`e (Odalisque2)	2
128	Ermolenko A.A. (anita_aa)	2
129	Rah (Rahim997)	2
130	Krasovskij E.A. (pegoopik)	1
131	Koptel'tsev V. (selber)	1
132	Zmysor (EHOTik)	1
133	Gorskova O.G. (Ola1)	1
134	abs V.S. (veron.en55)	1
135	Korkin A. (voron3222)	1
136	Morozov S.V. (sergmor)	1
137	Litvinov M.N. (Maxim_Lit)	1					ban	ban
138	Schipanov D. (DmitryShchipanov)	1
139	Tsay S. (Sergey Ts.)	1
140	Malikov M.A. (Maxie_Ich)	1
141	eqweasdd (alexa123123gth)	1
142	Tapdigov A. (emanat-1)	1
143	Khlynov M. (KhlynSQL)	1
144	Lazarevskaya A. (aleksquake)	1
145	Smirnova (Rinrinrin)	1
146	bir (x3ll)	1
147	Statsenko V.O. (ValerDOS1x)	1
148	Nikolov (petarnikolov)	1
149	Gurevich B. (f4date)	1
150	bovikov B.S. (bambabovikov)	1
151	K (vk_26)	1
152	Terekhov I.B. (Linkler)	1
153	Morunov E.D. (Morun)	1
154	Lupin A. (hongweibin)	1
155	Vartanyan A.S. (ArturVartanyan)	1
156	Docenko A.E. (saander9)	1
157	Pichugin A. (tony_dad)	1					ban	ban
158	Sinyaev N.V. (Annovid)	1
159	Manzhikov (Musajiji)	1
160	Ugolev B.L. (Crazy1)	1
161	Smernikov M.V. (mishas21)	1
162	Sar T. (tosAr)	1
163	Rybakin I. (HolmNaZhope)	1
164	Sury (fatsury)	1
165	vktory369 (vk1991)	1
166	Kachkaev A. (alevaka)	1
167	roiti (roiti_user1)	1					ban	ban
168	Pugach (Cattugla)	1
169	Chistov E.S. (Malysh-Malen'kij)	1
170	petrov (petrov991)	1
171	Tsapkov (tsapkoff)	1
172	Guzeev N.A. (MJK46&2)	1
173	Gretskikh M.S. (Greckih)	1
174	Stepanenko K.Yu. (St.Constantine87)	1
175	Sergeev A. (SerDix)	1
176	Golovkin I.A. (GHOST2508)	1
177	Konon (Kenen)	1
178	R. (Wra1th)	1
179	Tapdigov A. (emanat-2)	1					ban	ban
180	Afanas'ev V.A. (AVA_13)	1
181	Lysykh V.K. (Usilitel')	1
182	Kolesnikov S.O. (bulbasaurus)	1
183	Alekseev A.S. (Andser)	1
184	Mal'kov N.S. (Holykoly)	1
185	Ustinov (Defter7)	1
186	Meev (ameev)	1
187	kfafka K.T. (Dan_25151)	1
188	Smol'nikov F.A. (_smolnikov_)	1
189	Kolesnikov A.E. (Ellety)	1
190	le S.E. (sedrus)	1
191	Leonov D.V. (xannnnn)	1
192	Shirokov M.A. (Dr.Mikhail)	1
193	Sibejkin I.A. (POIUYTHEHAPPY)	1
194	Rogachev L. (leonid19101110)	1
195	Yakovlev A.S. (Artemilian1)	1
196	Otradnova S.V. (gloomeries)	1
197	Gabdullina (kharkovskaya)	1
198	Odintsov I.A. (PlayFulBear1337)	1
199	Golubnichij D.Yu. (DmitriyGolubnichiy)	1
200	Erykalin A. (JAKIBS)	1					ban	ban
201	Catherine (Cat_05032026)	1
202	Ustimenko (brat2alek)	1
203	Zinov'ev I.V. (ilyazzzzzz)	1
204	Petrov G.R. (Georgykyi)	1
205	Telegina D.I. (Diank)	1
206	Sangadzhiev Yu.O. (sayr)	1
207	Nurbaev V.V. (Ulanovka)	1
208	Ryukhin S.A. (Daster1)	1
209	Klim (Alex_257443)	1
210	Goncharova A.N. (goanni)	1
211	Pospelkova (Liza_pospelkova)	1
212	Shokhalevich A.N. (Anashok)	1
213	Bystrov F. (FEDORBYST3445)	1
214	Khalukhaeva E.D. (Evushka)	1
215	Tolstykh D.S. (saltykovadara)	1
216	Stolbov A. (ars1516)	1
217	Semenov (Mr.Yucatan)	1
218	Babaev R.R. (ChupaPupsik)	1
219	Khvischuk B.V. (23418)	1
220	kir V.U. (Linay11)	1
221	Shnar A.M. (Al1405)	1
222	Kuzmanovska (Maja_QA)	1
223	Charnetskaya (annaah)	1
224	Anikeev E.A. (egooooooor)	1
225	Terekhov G. (H_Terehov)	1
226	Fedorov P. (AlbertSpangler)	1
227	Vasylyshyn D. (mkk5)	1
228	Matyuhanov D.A. (Lineagi4)	1
229	Uryadnikov M.V. (magr1k5)	1
230	Glok A. (madaraext)	1
231	Linkevich B. (boris-dv)	1
232	Tykko (Tykko)	1
233	Awartor (AwaAwA)	1
234	Smirnova Yu. (wherearemychamomiles)	1
235	Plekhanov R. (votblindada)	1
236	Mnemonim M.M. (Mnemonim1)	1
237	Berkutov A. (albertsochi)	1
238	Nikolaenko S. (Nikolaenko)	1
239	Girin L. (lev_g0)	1
240	Unregistered	49

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