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November 04, 18:04 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	Kolov D. (Dimitar)	2	16	23		23
2	Agha A.Q. (Abdulmalik QasimAgha)	3			10	11	ban	ban
3	Sh S. (junopark1)	2	1	74		2
4	Hughes (SindbadTheSailor)	2			2	2	1	2
5	Zhiliaiev A.M. (Zapp)	1	1	1		1	1	1
6	ss A.S. (SashaSS)	1			1	1
7	Kazantseva V.V. (lera22)	1					15	27
8	Konev S.S. (konevav)	2					14	25
9	almousa (Ghina)	2					15	23
10	danijaz D.J. (danijaz)	3					15	21
11	Mikryukov L.S. (UzerName6666)	1					12	21
12	Briskov D.N. (Karabassik)	1					11	20
13	Chadin F.I. (Fedor_ChD)	2					15	18
14	Seredin V.S. (JoDaH_JoEsTaR)	2					10	18
15	Verenich V.N. (VerenichVN)	4					15	17
16	Tymchenko S.A. (savel1kk)	2					9	15
17	Belkov D.A. (belkov_da)	1					ban	ban
18	Osetrov M.S. (maksosetserge24pi116)	3					10	13
19	Sorokina Yu. (IuliiaS)	3					7	12
20	Lizama M. (Miguru)	1					8	11
21	Sevruk M.V. (chipixxx)	1					7	11
22	Matveeva O.N. (Olga_Matveeva)	4					5	10
23	Skibo A.A. (Artyom Skibo)	2					5	10
24	lastname (winrar2002)	6					6	9
25	Ageenko V. (voldy8311)	3					6	8
26	Zhuravlev R.R. (PlohayaGenetica)	2					6	8
27	Lomov R.V. (Silverom)	1					5	8
28	Uvaev A.A. (Pompilio)	2					4	8
29	Vozhakov N.S. (Nikita Vozhakov)	1					4	8
30	Zhiltsova M.I. (AlexThatAlexes)	2					6	7
31	Kalmykov A.A. (salkechh)	1					5	7
32	Myau (faresick)	1					6	6
33	Novikov A.D. (artem_novikov)	2					5	6
34	Beck (maria_10)	2					4	6
35	Derugo K. (xena4)	5					3	6
36	Vasilevskij I.V. (vanek_visvlav)	2					ban	ban
37	Mereke R.K. (raimbek2007)	1					4	5
38	Vor (Daschutka)	3					3	5
39	Shakurov I.I. (Ildar Sh)	2					3	5
40	Shkoda A.R. (artur2005)	1					3	5
41	Solodukhin P.A. (pavel998844)	2					4	4
42	Bain D. (Denis18758)	1					4	4
43	Solov'yov I.A. (solov_13)	1					4	4
44	Zhilin M.A. (MatthewBA)	1					4	4
45	artem (ptlcm)	1					4	4
46	Obozov R.A. (Lamy32)	3					3	4
47	chanturia K. (ketioo)	1					3	4
48	Smirnov A.E. (p4tk)	6					2	4
49	Romanishina A.B. (anananananiases)	2					2	4
50	Mikhal'kov K. (Ratta)	2					2	4
51	Puzyrev A.A. (bubble39)	2					2	4
52	Petrukovich A.V. (10nastya10)	1					2	4
53	Saglaev D.A. (SWATpiratte)	2					3	3
54	Lodygin K.M. (kairoscrew)	1					3	3
55	Yashina K.V. (aandapple)	3					2	3
56	Zolotarev M.A. (MaksimZ0l0)	2					2	3
57	Khopta A. (APetroWhich)	1					2	3
58	Barchuk I.M. (barchuk)	1					2	2
59	Zhumagulova K. (Kamila.zhu)	1					2	2
60	Mikityuk A.A. (anastasia0114)	1					2	2
61	tkachenko (NotFufx)	3					1	2
62	Sitor V. (waev)	3					1	2
63	Mazovetskij Ya.D. (Mazovetskij)	2					1	2
64	Sechnoj A.K. (Sechnoj Andrej)	2					1	2
65	Prusikin (ankxxie)	2					1	2
66	Sheibak A.A. (weibak)	2					1	2
67	Ivanov I.I. (ivan228)	1					1	2
68	smith (eng MN)	1					ban	ban
69	Belashkin I.A. (Tookser)	1					1	2
70	Lysenko A.A. (NetnikaL)	1					1	2
71	Serkov (TFD_131)	1					1	2
72	somm (SOmeGuyidk)	1					1	2
73	Alpanov D.A. (Vergiliy_0497)	6					1	1
74	Lugacha L. (Lugacha)	5					1	1
75	Varlamov E.D. (Varlamis)	3					1	1
76	Petrov (giber)	3					1	1
77	borisov A.N. (borftn)	2					1	1
78	Lesnikova A. (nebulaX365)	2					1	1
79	Kozlov V.V. (Vasiliy Kozlov)	2					1	1
80	Tomashevich M. (hutaru.3)	2					1	1
81	Nz S.Z. (Analitik42)	2					1	1
82	vacha N.V. (vacha1)	2					1	1
83	Konyahina (YanHi)	1					1	1
84	Kokorin (Eteroton)	1					1	1
85	Skorobog (LubitelSQL)	1					1	1
86	Krivets M.S. (Maria Krivets)	1					1	1
87	Zhuravlev F.I. (yngst6r)	1					1	1
88	Starostin D.D. (Turilan)	1					1	1
89	Gavrosh H. (HGavrosh)	1					1	1
90	Shaidyllin R. (R.Shaidyllin)	1					1	1
91	Kozeev (LogicCats)	1					1	1
92	Ra (KompAS)	9
93	Sarkis'yan G. (gennadi_s)	6
94	Gitinomagomedov (gmansur88)	4
95	Filatov D.D. (Anticoder)	4
96	Tokkuliyev Y. (Yersultant)	4
97	Askerbek D.A. (asker_dar)	4
98	Teryokhin A.A. (alext8)	4
99	Belyaeva (Kuzyaka)	3
100	Belkov D. (Belkov2026)	3
101	Frantsuzov E.A. (Micron)	2
102	Koptel'tsev V. (selber)	2
103	Turubarov .N. (turubarov1988)	2
104	Bichukov S. (Sagaton)	2
105	kebo N.D. (kebou)	2
106	Markin N. (Qmaro)	2					ban	ban
107	Menkenov A.S. (Alexawka08)	2
108	Shasheva A.A. (unifor)	2					ban	ban
109	R T. (R_TiM)	2					ban	ban
110	Dedyulin A.D. (ded_android)	2
111	Bychkou (rbychkou)	2
112	guru (rgcust)	2
113	Ivanov I.I. (Danchesy)	2
114	Dolgikh D.S. (dmitry5SQL)	2
115	Chistyakov N.R. (chistiakovN)	2
116	Romanychev (Rstepan)	2
117	Pastee (Pastee)	2
118	Korkin M.A. (max11rrr)	2
119	Bozorova A.A. (Mukhlisa)	2
120	Gajnanov A.A. (AlexGain)	2
121	Krasovskij E.A. (pegoopik)	1
122	karasy (valdecarus)	1
123	Lyakutin Ya. (Trovich)	1
124	Pyatibratova S. (Lessa13)	1
125	Sergeenko A.A. (Alek_Molnar)	1
126	Litvinova (Andreikovna)	1
127	Prannik M. (prannik)	1
128	Yarovskaya A. (Allyz)	1
129	Scherbakov A.G. (sqlshchik)	1
130	Nikolov (petarnikolov)	1
131	Kuritsyn V.N. (ValNick)	1
132	Bulgakov (Bulgakofff)	1
133	Zakirov V.G. (midaV)	1
134	Barken L. (userlika)	1
135	Slinko M.I. (Zonerr1)	1
136	Sviridov K.S. (Shotery)	1					ban	ban
137	Nikonova E. (KatyNikonova)	1
138	Abrosimov A.M. (DownTheDrain)	1
139	Zhukova A.L. (Marz96)	1
140	Drozhzha D. (D-D-Drozhzha)	1
141	Strel'nikov (Acidcit)	1
142	Aro E.F. (Ekaterina Araud)	1					ban	ban
143	Plakhotnyuk A.O. (Plaha54)	1
144	Pankratev (CYROH)	1
145	Rodin (uoloki)	1
146	Tsoj D.V. (Noob17364)	1
147	Pavlova E.V. (malinka113)	1
148	Gucha V. (Gucha)	1
149	Merinov M. (maximmerinov)	1
150	R. (Wra1th)	1
151	Mishin I.D. (_apple_)	1
152	Tokar K.I. (Zegwaer)	1					ban	ban
153	tinch R.F. (mrrail)	1					ban	ban
154	Shpengler A.V. (Nbuzz)	1
155	Fandieiev O.V. (999Alex1984)	1
156	Bykov M.I. (airmag7)	1
157	Ryasin V.A. (I_Zero_I)	1
158	Ketova A.A. (Ket_Kat)	1
159	Kim A.M. (sashaKATA)	1
160	qq Q.Q. (stormxgod)	1
161	Yushkov (kopernik229)	1
162	Aleksandrov E.A. (evgeny-alex)	1
163	Churcil (celdata)	1
164	apraraprrtapr R.A. (khanchous)	1
165	Novikova Ya.D. (enakaena)	1
166	Borodin A. (Rignar)	1
167	1212 (PuLi_0T_BaBuLi)	1
168	Fatkulina O.M. (viennie)	1
169	Mishenev M.M. (Mishenev Mikhail)	1
170	Lobach Y. (jeronimo199x)	1
171	Abdukholiqov H. (abdukholiqov)	1
172	Kubasov D.M. (DenisDM348)	1
173	Poppp M.I. (Lololoshka1423)	1
174	Bekbolotova T. (Jiselle)	1
175	Strakhova V.E. (VLDST)	1
176	Shumskaya A.O. (Anya.a.a.a.a)	1
177	Pautov (Dildachell0)	1
178	Khvostova N.E. (Khotdogtrip)	1
179	hronrad (hronrad)	1
180	Bryukhanova D. (DashaSKR)	1
181	Tchintcharauli A.A. (Ani Tch)	1
182	Kykolnikov (Krasaucheg1111)	1
183	Reshetnikova P.A. (polinaresh)	1
184	Mukhametshina K.A. (kami09)	1
185	Ivanova A.M. (Ivanova Aleksandra IT-1)	1
186	Vasin V. (Vasya5)	1
187	Goncharevich S. (Svettagon)	1
188	Teslin R.A. (Rusler)	1
189	Hasan J. (Ashik17)	1
190	Valov I.I. (echo1)	1
191	Shaik (Firru)	1
192	Palij T.A. (LadiesMan2l7)	1
193	Sukhorukova A.S. (fdlv)	1
194	Guschina A.D. (katrinenight)	1
195	Savchenko M.D. (mirussito)	1
196	Akhadov A.R. (AlikhanDr0)	1
197	Morales (jas12345)	1
198	Ivanov M. (Mikhail074)	1
199	Suchatov D.S. (Pro719)	1
200	Mo (dmonarev)	1
201	Artyomova E. (Elena Artemova)	1
202	Polyakov I.Yu. (Igor_glk)	1
203	Kolodochkina A.R. (sunny_cheese)	1
204	Sharafutdinov R.R. (radmir_fc)	1
205	Toleubek R. (Toleubek)	1
206	Orlov E.S. (FullTilt)	1
207	Alimdjanova S. (Shoisha)	1
208	Mescheryakov V.V. (Volody1987)	1
209	Unregistered	25

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