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

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