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July 31, 22:25 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	Koptel'tsev V. (selber)	11	1	198		2
2	Skibin V.V. (SQL_vvs)	1	1	29		2
3	Luzin (Igoryasha)	1	1	1		1	2	3
4	Williams B. (BW)	2	1	236		1
5	Savenko (olalasavenko)	5			1	1	2	3
6	Anisimova (marble_plaque)	1			1	1
7	Megatron O.P. (__Sirin__)	1					25	39
8	Manique C. (catarina manique)	2					15	29
9	Smith (Gabi1234)	2					12	23
10	Silva F.M. (sampas)	1					11	21
11	Ivanov I.I. (roadtodevops)	1					15	20
12	Antonov (SalamPopolam)	2					12	20
13	Star D. (BobaBiba123)	3					11	19
14	Oliveira (inesoliveira)	1					10	19
15	Khudajberdyev A.A. (Aziz.Khud)	1					15	18
16	Kirnik (Kirnik)	1					14	18
17	Klimenko E.A. (LenaKlimenko)	2					14	17
18	Khorunzhij E.A. (wuwuqw)	3					10	17
19	Dubenko (32423432)	5					15	16
20	Glebov A.P. (mitridat_evpator_everget)	2					12	16
21	Komissarov E. (Lalafa1)	5					9	16
22	pppat (ferta)	3					ban	ban
23	Khudajberdyev A.A. (a.khudaiberdyev)	4					8	15
24	Gracheva V.A. (M-Vspoloh)	1					8	13
25	nunes N.L. (nicole nunes)	1					7	13
26	novikov A.A. (alek_ss_zlat228)	3					9	12
27	Altashin S.V. (burrito)	1					3	12
28	Leksusov (Qu4S0M4n)	1					7	10
29	qq Q.Q. (stormxgod)	1					7	9
30	Filippov D.A. (shketik)	2					6	9
31	Polyakova V.M. (Roni0x)	3					5	9
32	Ignatenko A.P. (AnastasiyaIGAP)	1					6	8
33	Rakhmetolla S. (Shattyk96)	1					5	8
34	Ferreira R. (Ricardinho)	3					4	8
35	Manturov I.S. (Nachinayuschij1)	1					6	7
36	null (Armapail)	2					5	7
37	Strogonov M. (maxstrog)	1					5	7
38	Alex R.R. (AlexRedkn)	1					4	7
39	Andreev D. (karma_polizz)	1					6	6
40	Baldinini (Divine_Divinity)	3					5	6
41	GUJARATHI (VAIBH001)	1					5	6
42	Familiya (LetsSQL)	1					4	6
43	Zaluzhskij V.S. (vszsky)	2					3	6
44	Adigamova M. (milkazz)	1					3	6
45	Luneva D.A. (DLuneva)	1					3	6
46	Romanov A.A. (andromus)	1					3	6
47	Strilenko (Liamorte)	1					5	5
48	Kozlova (Nata115)	1					5	5
49	Sukhanova O. (Laleika)	1					5	5
50	Nikulenko P.A. (Flower1001)	1					4	5
51	Mikhajlova V.P. (veneragret)	3					3	5
52	Shakaryan B. (bogdanshakaryan)	2					3	5
53	Dimitrov V.M. (vencid)	1					3	5
54	Izmajlov (qupeRino)	1					4	4
55	Kuznetsov A.S. (Artkuz1989)	1					4	4
56	Ololo (Zeek321123)	1					3	4
57	Kolpakov (VJiQ)	2					2	4
58	Khokhlov (TermiDD81)	2					2	4
59	Kanunnikov P.V. (Inoj777)	1					2	4
60	Nikolov P.F. (plamennf)	1					2	4
61	Tynybekova G.R. (Gulaisha)	1					3	3
62	Andreev E. (Anksi)	1					3	3
63	Denisova P.A. (231354132)	1					3	3
64	Kartavtseva A.S. (Sasha Kartavtseva 94)	2					2	3
65	Khambikov (Aleksandr Gurman)	2					2	3
66	Mazur A.A. (Ondre)	1					2	3
67	Ponomarev M.P. (MatveyF)	1					2	3
68	Ischenko K.Yu. (Kpuh)	1					2	3
69	Kostrygina (Hiki_Imaru)	1					2	3
70	kofuku (Kofuku)	1					2	3
71	Haciyev I.A. (Ismayil)	2					ban	ban
72	Rychko M.A. (MikRich)	2					2	2
73	Pupkin V.I. (MaxKots)	1					2	2
74	Revin A.A. (AntonRvn)	1					2	2
75	Litvinov A.A. (zipun)	1					2	2
76	Zubkov D. (Dm54)	3					1	2
77	Nunes M. (IntersrdPT)	3					1	2
78	E (neri)	2					1	2
79	piopio5 (piopio5)	2					1	2
80	T. (Tovarisch)	1					ban	ban
81	Khamatdinova A. (bjork6)	1					1	2
82	Strukov (StrukovSA)	1					1	2
83	Kameneva (kristachak)	1					1	2
84	Rebovskij (x-lerasim13)	1					1	2
85	Mikaya (Gio9248)	1					1	2
86	Bogatyrev N.V. (BNV2873)	1					ban	ban
87	Evgen'ev (gek_c)	1					1	2
88	Antonova (Elena_No)	1					1	2
89	Pushkarev S. (PSV_n)	1					1	2
90	Polikarpov K. (kir0206)	1					1	2
91	Urakina K. (Ksu774)	1					1	2
92	Kazantsev V.D. (kentiko_0)	1					1	2
93	Miro D. (davidmiro)	1					1	2
94	girase C. (ketan@123)	1					1	2
95	Dobrynin (DanilDV)	1					1	2
96	gorrog (gor1234)	1					1	2
97	Blektorn (William Blacktorn)	1					1	2
98	Kunov (lachezarkunov)	1					1	2
99	Zinchuk (Shade940)	4					1	1
100	Didenko K.A. (Karkus4a)	2					ban	ban
101	Ushakov S. (MoyPsevdonim)	1					1	1
102	Lavrinov M. (mvlavrin1)	1					1	1
103	Argunov (russs111)	1					1	1
104	Rudov D. (Big_mafusail)	1					1	1
105	Boyarintseva E. (eleonbor)	1					1	1
106	Majkova A. (addeshmal)	1					1	1
107	Korolev A.A. (Ereticheskij Chajnik)	1					1	1
108	Bilyk K. (ArchiKate21845)	1					1	1
109	Sajdumova A.A. (ASAida)	1					1	1
110	Kungurov A. (Alexey10)	1					1	1
111	Margusheva (badmoonhiding)	1					1	1
112	Larionov S. (folter)	1					1	1
113	Potapov S.O. (QgenWat)	1					1	1
114	Roshchin A. (Andrew_RAK)	1					1	1
115	Denis (denefee)	1					1	1
116	Svinaryov I.V. (kultyapka)	15					ban	ban
117	Sarkis'yan G. (gennadi_s)	6
118	Minyurov E. (m.evgeniy)	4
119	Vyazovetskov A.S. (alex_v)	3
120	Krasovskij E.A. (pegoopik)	3
121	Sharbatov Y. (YusifSH)	3
122	Andryushenkova E.P. (lixxa)	3
123	Yastrebova S.V. (WhiteGoshawk)	2					ban	ban
124	Medovnik A.A. (AleksHoney)	2
125	Andreev G.A. (fuzernity)	2
126	Novichkov S.S. (sql_rex)	2
127	Ezhov R.S. (akira_nvm112)	2
128	R. (Wra1th)	2
129	Ivanov P.P. (PavelPLAT)	2
130	Nos Ya. (yana_nos)	2
131	Burtonov A.V. (tak to)	2					ban	ban
132	Ryabikina (Allusikk)	2
133	Jorge (RuiJorge1)	2
134	Erokhin N.M. (Nikita_deadfront)	2
135	Kachkanyan V.G. (giragoso_vna)	2
136	Kucheuskaya T. (knedlicheck)	2
137	Kuz'mina E.V. (Fiction)	1
138	Kurochkin P.A. (qwrqwr)	1
139	Calderoni L. (l.c.)	1
140	Petrov (Steamboat)	1
141	Sal (Lexussss)	1
142	grgerherhe H. (asdfgggggerge)	1
143	Balashova (albalashova)	1
144	Bulusu A. (bulusu14)	1
145	Safin (safin777)	1
146	Dzhamaldinov M. (Benediktof)	1
147	Sh (Sorb)	1
148	Rusyan (Dimitry23)	1					ban	ban
149	Kolomentsov A.M. (Kolomentsov)	1
150	Keller D.V. (KDmitry)	1
151	Bojchenko V.A. (hecsik1)	1					ban	ban
152	Grigor'eva (estr1)	1
153	Lyaschenko S.N. (pimen78)	1
154	Zavadskij Yu.M. (yuriy02)	1
155	Nurzhanov (Grechkiy)	1
156	Sadovaya K.A. (k1x07)	1
157	Petrov (Goododo)	1
158	Ozhegov N. (ozheg)	1
159	Kibalyuk A.S. (TheNulky)	1
160	Ivanov N. (nick.iv)	1
161	Zykin A.Yu. (oppenheimer_1)	1
162	Moskvichev K.V. (b1_b1_b1_b1_b1)	1
163	Ordynskij A.A. (purprose)	1
164	Mashteev A.T. (LANse666)	1					ban	ban
165	Bitsoev E.T. (Bisotti Eduard)	1
166	Burchakov G. (schus)	1
167	Tsurenkovv S.V. (Tzur_Sv)	1					ban	ban
168	Koshman A.S. (Fennix)	1
169	Tri A. (Anouk66)	1
170	Najik (Najik7)	1
171	Ivanov I.I. (jack753)	1
172	Kamenskii K.K. (Che1881)	1
173	Kuznetsov (GloomyFox123)	1
174	Titov (mahaon_1999)	1
175	Buzin V.A. (Skelen__)	1
176	Rodin (uoloki)	1
177	Litvinenko O. (loksana1)	1					ban	ban
178	Popov G. (Nimble45)	1
179	Sagadiev F. (sagadief)	1
180	Muthukrishnan A. (Agal13)	1
181	Islamov (almazSecond2234)	1
182	Chapurin K.A. (lightraven)	1
183	Evdokimchik P.E. (Pavel Evdokimchik)	1					ban	ban
184	Klykov V.E. (Mikuslav)	1
185	Ziterev (Batysai)	1					ban	ban
186	Odegov A.I. (KovroLitik)	1
187	Kukoleva T.S. (Olen'279)	1
188	Matyukov I.D. (teot1)	1
189	Shirshavina A.S. (kis_pis)	1
190	Top D. (Dashk1a)	1
191	Kudriavtseva K. (Wolfyk17)	1
192	Z (Dolto)	1
193	Krikunov V.V. (Krikunov_Vitalik)	1
194	Odnokurtsev (AlFochino)	1
195	Palachev M.V. (MaxObebos)	1
196	Kolobin N.S. (gerod0t)	1
197	Pupkin V.I. (pupk1n)	1
198	Vlasov (kirill181992)	1
199	Kurkin T.S. (KTS1995)	1
200	Snetkov N.G. (Asmo123)	1
201	Khaziev (jiesoryb)	1					ban	ban
202	Ula (Straus!)	1
203	Smirom (Mooker)	1
204	Belous I.G. (Just4SQL)	1
205	Zakharov (svyyy)	1
206	Murat M. (murat_mukhammed)	1
207	Krasnov D.A. (krasti)	1
208	Kokorin (Eteroton)	1
209	Kovalev N. (Fantasyer)	1
210	Lavrova S.V. (labrowa01)	1
211	Salamakhin I. (SQLInz)	1
212	Kostylev (NKostylev)	1					ban	ban
213	Sayyan V.R. (Vah_666)	1
214	487 (487)	1
215	Lobkovskij R.S. (Roald)	1
216	humaan S. (strangehumaan)	1
217	Shutin (MalEvi44)	1
218	Basangova A.D. (Aitina)	1
219	Nevskij D. (SkipOne)	1
220	Aleshina V.A. (Viktoriya0611)	1
221	Titanova V. (VT&)	1
222	Abbasov I. (ibrahim_@2005@)	1
223	Okonnikov D. (DocWins)	1
224	Khachaturyan S. (Samvelio)	1
225	Fomitskij A.A. (Qleks)	1
226	Andre A. (alexamnpa)	1
227	Lezhin N.M. (MonStricks)	1
228	Hehe J.F. (umbar1234556)	1
229	Vlasov M.V. (Vlaskis)	1
230	ke1pie I. (kelpie2013)	1
231	pinkman A. (asya pinkman)	1
232	Khomyakova O. (xomiakus)	1
233	Hiiragi U.H. (Utena)	1
234	Arar A. (SnakeJedi)	1
235	g G.G. (Wasupit)	1
236	Husser M. (manhatty)	1
237	Ekstov E.E. (ext320)	1
238	Shishkov N.G. (SonDzin)	1
239	Izen Z. (Jako)	1
240	Dzhahparov A.I. (ArcherDZH)	1
241	Bai A. (iamaizhana)	1
242	Sharafutdinova (nellon)	1
243	Lisin R. (rodillis)	1
244	Unregistered	33

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