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January 16, 14:44 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	Kzkz F.F. (Al'ka20088)	1			10	11	9	15
2	Ivanov (Ivan_Ivanov)	2			7	8	13	18
3	fioletovaya (fioletovaya2)	1	3	78		7
4	Fed I.A. (Filin331)	3			6	6	ban	ban
5	Fedoruk I.A. (yvan123)	2			2	4	ban	ban
6	Pupkin (Kikimora)	1	2	51		2
7	Safronov P.A. (Paulus73)	1	1	49		2
8	Sorokin (StepanSorokin)	2			1	1	15	19
9	Muzaffarli E.I. (elgun2001)	1			1	1	5	7
10	Reshetnyak V. (Stonuvv)	1					15	24
11	Pipisevich (pipisya777)	1					14	19
12	Z I.E. (igor_ze)	1					15	18
13	Gavrish A.A. (Alia241)	1					ban	ban
14	Grigorenko V. (Lerunya)	1					11	18
15	z R.M. (w1nt3rr)	2					10	18
16	EFIMOV E. (EFIMOV_EDITS_PRIME)	1					10	17
17	Pajkov L.S. (Blaidd909)	3					13	15
18	Proks (DariaProks)	1					11	15
19	Treshchalin (2manyfaces)	3					11	13
20	Grechko V.P. (Baron_417891)	1					ban	ban
21	Tarakanov V.V. (ChXos)	1					8	13
22	Valeev M.A. (k3tchupzxc)	1					6	13
23	Gordienko (G0rD)	1					9	12
24	Shagiev (z0rr0z)	1					7	12
25	Lopatin E.P. (SmileFace)	2					11	11
26	Testovyj T.T. (TestikTestovik)	2					8	11
27	1 (12ui)	1					6	10
28	Zamotajlo A.A. (Zamelo)	1					5	10
29	Zielonka (BeeTrain55)	3					7	9
30	Ermokhina (Fevy)	2					7	9
31	Dumchenko I.S. (Pe3oH)	2					7	9
32	Galin V.B. (Vyacheslav Borisovich)	1					7	9
33	rere R.R. (MalfRay)	1					6	9
34	Mamuchadze V.D. (Valeria48)	1					6	8
35	Nikita (kito4)	2					5	8
36	Umnov A.A. (AndoUm)	1					5	8
37	Ibragimov (Rinatr)	1					4	8
38	ismagilova E.E. (elvina1503)	1					6	7
39	Elmurzaev D.A. (denichech1)	1					6	7
40	Fajzullina I. (Carm163)	1					6	7
41	Bitsura (toshfm)	1					5	7
42	Golubnichaya D.R. (DariaGol29)	1					5	7
43	Brodskiy (GeorgeLm20)	1					4	7
44	Avolej (avo159)	1					4	7
45	Pan E.P. (katyapansql)	1					6	6
46	Zhujkov A.L. (Cfyzik64)	2					5	6
47	Diggatron D.D. (Digga)	2					5	6
48	Dudusov (WayDen)	1					5	6
49	Gribova N.A. (Ketyta)	1					4	6
50	Znak (nikita_znak)	1					3	6
51	Malakhov (dimmal)	1					3	6
52	Buntova A.V. (Bunt)	2					2	6
53	RR (olyunchik_)	1					2	6
54	Weimer (ilwe)	2					5	5
55	Pelevin I.A. (vavavv)	1					5	5
56	Ivanov S.P. (Mr.Anderson01)	1					5	5
57	Trezlou (Anny Treslow)	2					3	5
58	Asryan (melinee)	1					3	5
59	Ershova V.V. (vera1507)	1					3	5
60	Vorob'ev I.B. (PalmaTheProger)	1					3	5
61	... (Igor...)	1					2	5
62	Ivanov (Bybaleh)	3					4	4
63	G E. (LinaG)	1					4	4
64	Sherenkov D.V. (Riji1337)	1					3	4
65	Malikova D.A. (darmal)	1					2	4
66	Pantyukhov A.A. (DR.Liveseu)	1					2	4
67	Kharlamov N.M. (Nikita03)	2					3	3
68	Imigenov R.R. (Ruben_Imigelov)	2					3	3
69	Zhamsaranov A.T. (Ayur Zhamsaranov)	2					3	3
70	Kirov A.S. (Alex_Shark_)	2					3	3
71	TRKOVSKIY D. (David4)	1					3	3
72	Turukin S.I. (StacyTurukin)	1					3	3
73	Kolpaschikova (ruflufy)	1					3	3
74	Lyu B.Kh. (Pinkamina Diana Paj)	1					3	3
75	Shenkhorov B.B. (Fergolpas)	1					3	3
76	Aliyev V. (Vussy)	1					2	3
77	Politov P.V. (Avilon777)	1					2	3
78	Berdyshev I.M. (MarlenBers)	1					2	3
79	Gorbunkov M.S. (gms)	2					1	3
80	Shatilova (!AShE!)	3					2	2
81	Darzhaev V.S. (Vladimir Darzhaev)	2					2	2
82	Ham (Lan_0-0_)	2					2	2
83	Badmaev B.G. (Badmaev Bato)	2					2	2
84	Sizov (Kirill676767)	2					2	2
85	Nasretdinova R.M. (regina_kata)	1					2	2
86	Kruglov V.A. (Vadyas)	1					2	2
87	Mikhajlov (Yudzhin@)	1					2	2
88	Bannikov (5267)	1					2	2
89	Butaev M. (MBY0826)	1					2	2
90	Dunaev D.D. (Stanilav_MoGGGilevski)	1					2	2
91	Beloborodov A.D. (Sixsevenmaster)	1					2	2
92	Ryabykin M.V. (Mikhail1704)	2					1	2
93	Ganeev R.V. (Ravil-1989)	2					1	2
94	Shujtsev D.Yu. (Denis123)	1					1	2
95	Filatov D.D. (Anticoder)	1					1	2
96	kuraleva (ankural)	1					1	2
97	Linberg N. (nyxem)	1					1	2
98	Bajgil'dina R. (Renatka)	1					1	2
99	Orlova A.V. (Sasha520)	1					1	2
100	Zajtseva M.Yu. (ritaz93)	1					1	2
101	Ivanov I.I. (marmon2)	1					1	2
102	Kazakov V.V. (Kazakov Vladislav)	1					1	2
103	Alimov (Oleg994)	1					1	2
104	Samandov S. (Suleyman.Samandov)	1					1	2
105	Aliev R.A. (Russttammm1305)	1					1	2
106	Mazannik R.S. (Rmazannik)	1					1	2
107	Volskaya (mariya2398)	1					1	2
108	Danilov E.Z. (Zaza08)	4					1	1
109	Puchkova V.M. (lllerkinssss+-)	2					1	1
110	Maksatov K.M. (Kazbek)	2					1	1
111	Koshelev (alexlink)	1					1	1
112	Tsyplakov D.Yu. (Tsyplakov_Dmitry)	1					1	1
113	Shast V. (lek321)	1					1	1
114	Teplyakova D. (Daria T)	1					1	1
115	Zelenskaya S.V. (sonys)	1					1	1
116	Petrov A.N. (AlexPetrNick1)	1					1	1
117	pushkova (blowsight)	1					1	1
118	Luzina (KrisL12)	1					1	1
119	Koptel'tsev V. (selber)	6
120	Stein (Leon100)	5
121	Kurochkin P.A. (qwrqwr)	4
122	Sarkis'yan G. (gennadi_s)	3
123	Robert Dobrzynski R.D. (Dober12341970)	3
124	Krasovskij E.A. (pegoopik)	2
125	Kononova O. (Uten)	2
126	Polyakov V.M. (rock_4)	2
127	Livshits (@Valeriy)	2
128	Makarov D. (Dmitriy Makarov)	2
129	Popova (random1854name)	2
130	Serebryakov P.S. (Writre)	2
131	Gatenadze V.Sh. (gaten1952)	2
132	P I.*. (IrinaPetr)	2
133	Simonov E. (matsui)	2
134	z (aaaab123)	2
135	A (AHOME)	2
136	Zakharov (Stas52)	2
137	Erdyneev D.E. (FriendlyStas52NGG)	2
138	Metal'nikov N. (Morgotus13)	2
139	Gavrish A.A. (Alya241)	2					ban	ban
140	Korneva (noxiozus)	2
141	Pupkin V.V. (ruwer)	2
142	Mineeva D.G. (MandarinkaM)	2
143	Uvarov A. (suff)	1
144	Hakobyan H. (J.H)	1
145	Lazareva E. (lea_22)	1
146	123 (kat123)	1
147	Bogdanov D. (Danil1986)	1
148	ovchinnikov S. (mr.koba)	1					ban	ban
149	Matyukhin A.A. (Aleksey_Matyuhin)	1
150	Rajymkulov D.M. (Telec550)	1
151	Oparin (Mishochik)	1
152	Astakhova I.V. (Felya22)	1
153	Smith (tibacityblues)	1
154	SaiKarthik C. (SaiKarthik)	1
155	Santalov G.D. (GrishaSen)	1
156	Ivanov I.I. (vlad91)	1
157	Ya (yarolika)	1
158	Yakshin I.V. (ivan_y)	1
159	Makarenko A.V. (NastyaMakarenko)	1
160	Malakhov A.V. (JLaKeR)	1
161	Shibko A.M. (Ales'_1987)	1
162	Plechkov (s.plechkov)	1
163	Tkachenko D. (_GUERNIKA_)	1
164	Rogoznikov V.A. (pazchekk)	1
165	Osipov P. (tokey_ito)	1					ban	ban
166	Druzhinina M.A. (maneya)	1
167	Anisimov N.P. (anisimov_np)	1					ban	ban
168	Boyarov A.A. (boyasha)	1
169	Karnachev S.L. (mrSergei)	1
170	Turilkin (snubsnub)	1
171	Markova (Irena280880)	1
172	Babich A. (miu_miu)	1
173	Arslan L. (MaestroMorte)	1
174	Rybal'nik A.A. (Aleksrool)	1
175	Skokov B.S. (leks$$)	1
176	Gusev A.O. (NowOrNever)	1
177	Ismagilov D.I. (IsmagDam)	1
178	R. (Wra1th)	1
179	Gyul'magomedova (troudever)	1
180	Obrezanova (Nas'ka13421)	1
181	Komov S.M. (Komov S. M.)	1					ban	ban
182	Geirby A.A. (Naranchika)	1
183	Maratov O. (spoer)	1					ban	ban
184	Abaseev A.A. (sgsbl4)	1
185	Lysykh V.K. (Usilitel')	1
186	Nurtai (Nurtai95)	1
187	B . (Sergio B)	1
188	Kondratskij E.O. (Mr-Tukan)	1
189	Zamilova A. (LitleSA)	1
190	Zolotarev (Yura Zolotarev)	1
191	Rusakova D.R. (Dasha_Rus01)	1
192	Ryabov A. (Slavander)	1
193	Borodin V.A. (Ludoman)	1
194	Ispravnikov O.S. (shadowbull)	1
195	Bezdenezhnykh V.S. (vladebezd)	1
196	Nikonorov N.A. (l4d4)	1
197	Kazaryan A.K. (Anait_Ka)	1
198	Mineev S.A. (tiropeftsql)	1
199	Dubchuk I. (THANNIS)	1
200	tagiyeva N.G. (nurcvmmcmmaad)	1					ban	ban
201	sydygaliev A.D. (paradoxyakka)	1					ban	ban
202	Kashintsev (certtone)	1					ban	ban
203	Goryachkin M.A. (Matvey99)	1
204	Suvorova N. (Nadetis)	1
205	Bu A. (AlexHombre)	1
206	mihail (bossgica)	1
207	Imeetsya (64684969687)	1
208	Dudko (whyse2000)	1					ban	ban
209	Oleg (Filipp_OK)	1
210	Kukushkina A. (a.kukushkina1)	1
211	Mart (Zenward)	1
212	Zotov A. (Evolute)	1
213	Kolesov S.B. (Kolesov Stepan)	1
214	Ovchinnikov (Donemon)	1
215	Zakharova (veronika111)	1
216	Ekhlakov I. (pomidor2525)	1
217	Maksutov I.I. (wtf_ilg)	1
218	Kugaevskij M.A. (maxim.kuga)	1
219	Ruslanov (saimond)	1
220	Orlov D.S. (d.orlov)	1
221	Panova (shmulya)	1
222	Zajtsev D.G. (D3F4ULT010)	1
223	Kukuruza E. (Katrina443)	1
224	Leonov D.V. (xannnnn)	1
225	B K.V. (all_trees)	1
226	lottit (Qwwww11111)	1
227	Andreeva (TA2026)	1
228	vladyka V.A. (evaito)	1
229	Mogilevskij S.E. (Stanislav Mogilevskij)	1
230	Ashtuev A.A. (ashtuev1337)	1
231	Isakova V.V. (veroniiika)	1
232	Trifonov A.V. (D_Life)	1
233	Tsarukyan D.S. (Delusi0n)	1
234	Ayupova A.V. (Alinawasabi)	1
235	Boldyreva A.I. (cranberryalice)	1
236	Keerlx K.K. (Keerlx)	1
237	Ubaydullayev B. (ubilolxon)	1
238	Unregistered	29

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