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August 06, 16:48 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	Nidens V. (vladlen058)	2	3	3	1	5
2	Cherepanova A. (MONICgh)	3			5	5
3	Eskyuelov (Zaproz)	2			1	1
4	ptc P.P. (ptc)	1			1	1
5	zamanova (gulkh)	2					ban	ban
6	Lomakina (lomchik)	1					9	16
7	Shim A. (DDMaFuck)	1					12	15
8	Burtonov A.V. (tak to)	1					ban	ban
9	Kupriyanova P.A. (@poluchku)	3					9	15
10	cedar (cedar_stone)	1					10	13
11	Parfenov I. (HotDoge)	4					8	13
12	Turkin S. (dragmeout)	2					9	11
13	Svistunkov I.A. (IvanSvistunkov)	2					8	11
14	Sidorenko (Junior_Explorer)	1					8	11
15	Zakharov I.S. (Shogun_Elfovo)	1					7	11
16	Ponomarev V.K. (Vladidasss)	1					6	11
17	Azimov (magamaga)	2					6	10
18	asd A.A. (defiler__616)	1					5	10
19	piopio5 (piopio5)	1					5	10
20	Zaluzhskij V.S. (vszsky)	1					5	10
21	baena A.S. (baena)	2					7	9
22	jopa B.B. (jopabobra)	1					7	9
23	Kotov V. (Vladosss1995)	2					6	9
24	penkova (sonya3)	1					5	9
25	Ivanov (ivan8321)	1					6	8
26	Luneva D.A. (DLuneva)	2					5	8
27	Bessolitsyn I.V. (igor2338)	2					4	8
28	Popov I. (Student-mrudent)	2					7	7
29	Frantsuzov R.S. (Francuz94)	1					6	7
30	Stankevich (totosh)	1					5	7
31	Smith S. (sam.smith)	2					4	7
32	Ovcherenko S.S. (ovcherenkoff)	1					4	7
33	safronov (GarikS33)	1					4	7
34	vvvv (vvvvd)	2					6	6
35	Legkova A.O. (albebex)	1					4	6
36	Kydyrov S. (SultanBeybars)	1					4	6
37	Romanov A.A. (andromus)	1					4	6
38	Budyukin L.D. (StanceInfaimm)	1					4	6
39	Asylkhan A. (aidana_khan)	1					3	6
40	Vlasov (kirill181992)	1					3	6
41	Bilyk K. (ArchiKate21845)	1					3	6
42	Kamarentsev S.E. (Serhio Kamarello)	2					5	5
43	Cherov V.A. (GroveS)	1					5	5
44	Kul'kova (Elenovna123)	1					5	5
45	Savchenko (Delfinchek)	1					5	5
46	Kotov A. (rainbowwolf)	1					5	5
47	Rezvan (SilentLand33)	2					4	5
48	Titov V.A. (va_titov)	1					4	5
49	Savosin I.P. (kag3yar1)	1					4	4
50	Lyakh (LinaL_)	1					4	4
51	Savchenko K.M. (savasugardaddy)	1					4	4
52	Leschenko (Verochka_21)	1					3	4
53	Zharchenko Z.S. (wwz_zww)	1					3	4
54	ke1pie I. (kelpie2013)	1					3	4
55	Turlo M.A. (maksimturlo)	2					2	4
56	Pshenichnikova (122025ip)	2					2	4
57	Egorova M.Yu. (egorova.m.u.)	2					2	4
58	Ischenko K.Yu. (Kpuh)	2					2	4
59	Khusnutdinov D.D. (Abdulxamid)	1					2	4
60	Alex R.R. (AlexRedkn)	1					2	4
61	Malikov A.A. (Ara2002)	1					2	4
62	Kazantsev V.D. (kentiko_0)	1					2	4
63	Orazaliev E.S. (AkameEW)	1					2	4
64	pak (chimchininja)	2					3	3
65	Dodos (Dodoz)	1					3	3
66	Ugol'nikov M.G. (Mike_24)	1					3	3
67	Uryupin A. (brangeld)	1					2	3
68	pppat (ferta)	1					ban	ban
69	Kudriavtseva K. (Wolfyk17)	1					2	3
70	Bocharnikova A.A. (Lliona)	1					2	3
71	Gafurov A.R. (Gafurov A.R.)	3					2	2
72	Zubkov D. (Dm54)	1					2	2
73	23 (ll23lll)	1					2	2
74	raen K.D. (diamko)	1					2	2
75	Morozova N. (Nat1234)	1					2	2
76	Sadovaya K.A. (k1x07)	2					1	2
77	Khokhlov (TermiDD81)	2					1	2
78	Muratov D.A. (Enovostuck)	2					1	2
79	Dement'eva (Kate1234)	2					1	2
80	Bykov A. (Metan_ptz)	1					1	2
81	Strukov (StrukovSA)	1					1	2
82	Alex A.A. (alexalex68t)	1					ban	ban
83	Mikaya (Gio9248)	1					1	2
84	Bromberg A. (ariel_bro)	1					1	2
85	Bawane H.U. (Harsh_18)	1					ban	ban
86	Borisov D.R. (Dmitry.Bo)	1					1	2
87	Khorunzhij E.A. (wuwuqw)	1					1	2
88	Xigitan X.X. (Userxigitan)	1					1	2
89	Sharafutdinova E.Yu. (ktshrfvt)	1					1	2
90	Vinogradova (clickable)	1					1	2
91	Hen (Henchik)	2					1	1
92	Kolpakov (VJiQ)	1					1	1
93	Avdyunina V.D. (Ruibing)	1					1	1
94	Urakina K. (Ksu774)	1					1	1
95	Rikardov (Rikardio)	1					1	1
96	Lozhkin (Vslzh)	3					ban	ban
97	Beketov (becat)	3
98	Sarkis'yan G. (gennadi_s)	3
99	Frantsuzov E.A. (Micron)	2
100	Derevyankin A.A. (quasar_641)	2
101	Balashova (albalashova)	2
102	Ushakov S. (MoyPsevdonim)	2
103	Minyurov E. (m.evgeniy)	2
104	Volkov (Kai Hansen)	2
105	Sidorov (abuyakov)	2					ban	ban
106	Argunov (russs111)	2
107	Burkhanuly A.-. (Azamat2909)	2
108	Korolev R.V. (zouker)	2
109	Cherepanova A.R. (Alexandrina1.0)	2
110	Bogatyrev N.V. (BNV2873)	2					ban	ban
111	Pylaeva (lisichka2026)	2
112	Pushkarev S. (PSV_n)	2
113	Savchenko V.P. (Vladislav11111)	2
114	Almamat (amir4ik951)	2					ban	ban
115	aaa A.A. (LCX_QA)	2
116	sdf S.S. (tvoy_batya)	2
117	Korionova P.D. (Karina_fox_777)	2
118	Moiseenko S.I. (mois_)	1
119	Shibaev (saah)	1
120	Krasovskij E.A. (pegoopik)	1
121	Il'nitskij S.N. (flipper)	1
122	Koptel'tsev V. (selber)	1
123	Ivoyzha V.S. (Scripter009)	1					ban	ban
124	Ivanov Yu. (Ury)	1
125	Gevorkov G.M. (GeorgyG)	1
126	Krass M.L. (Marcus Licinius Crassus)	1
127	Abdulmanapov A. (Dvarik)	1
128	Bojdak I. (ilya_pim)	1
129	Marasanova (Anastasiya25088)	1					ban	ban
130	Saksontsev A.S. (Artorius)	1
131	Ulybin (tanderug)	1
132	Gromov (LimaGrom)	1
133	Tsay S. (Sergey Ts.)	1
134	yoru (myounayoru)	1
135	exceed 9. (exceed)	1
136	Koloskov (Art_Dart)	1					ban	ban
137	Makharadze A. (armakharadze)	1
138	Makhamkhanov A. (Amir85reg)	1					ban	ban
139	Makarova A. (JuStudent)	1					ban	ban
140	Burov (incredible93)	1
141	Qaz (qaz729)	1
142	Tri A. (Anouk66)	1
143	Il'ya S.A. (Iceee)	1
144	Drakyla (vampirka1)	1
145	fyva F.Y. (pidogog)	1
146	Titov (mahaon_1999)	1
147	Bykov (sky-shore)	1
148	Dmitriev N.V. (Son1do)	1
149	Skokov B.S. (leks$$)	1
150	Burov V.N. (exLesnick)	1					ban	ban
151	Kameneva (kristachak)	1
152	Dzinevskij S.O. (stepikkk)	1
153	Grigorev P. (Graig)	1
154	R. (Wra1th)	1
155	Inozemtseva C.V. (Chris_1)	1
156	Kalashnikova A.K. (anzhelikakalashnikova)	1
157	Lysykh V.K. (Usilitel')	1
158	Subbotina N. (Nelly_sub)	1
159	Gerasimovich S.V. (gerasimovic)	1
160	Odnokurtsev (AlFochino)	1
161	Mamuchadze V.D. (Valeria48)	1
162	Ismailov A.E. (Guddzon)	1
163	Kharisov A.Ya. (Azamat777)	1
164	Kosh (Vlad1098)	1
165	Vasil'ev (GudiniMoonlight)	1
166	Tikhomirova K.V. (kariintii)	1
167	salmanov (onlu)	1
168	Savin .V. (banana_crepee)	1
169	Anonov (m0n0warg)	1
170	Sedakov M. (gamigami)	1
171	Justice (Bodya_Cr)	1
172	Shevchenko G.M. (psychokitty01)	1
173	Kostylev (NKostylev)	1					ban	ban
174	Belyakova A.S. (Belyak)	1
175	Shil'chenkov M.A. (msmshilchenkov)	1
176	Fyodorov I.P. (Kega)	1
177	Yurova (AherCh)	1
178	Samutin D. (samutin97)	1
179	Tsay A. (antoninho)	1
180	Trenyova (Joullius)	1
181	Teller K. (csol1u)	1
182	Zhopkin (Vanek_destroyer)	1
183	Golyandina (nap@)	1
184	Lezhin N.M. (MonStricks)	1
185	novikov A.A. (alek_ss_zlat228)	1
186	Potapov S.O. (QgenWat)	1
187	Kurbanov R.K. (Mr_Rakhim)	1
188	aminchik A.A. (am1nch1k)	1
189	Dyukov S.V. (duKeuuu)	1
190	dve Z. (Exzotik)	1
191	Buk (sqlfighter00)	1
192	Trushin A.N. (Meskalino)	1
193	Kirichenko M.I. (lpbred)	1
194	Konovalov O.I. (Oke K)	1
195	Ivanitskaya K. (sollain)	1
196	Savel'eva N. (s@v@na)	1
197	Cvyatash I.A. (chaekmi)	1
198	Ogolev M.D. (mateka248)	1
199	Kamoev I. (DaDao1337)	1
200	Ibragimov E.V. (Ilmdann)	1
201	Eminova I.I. (iza.eminova98)	1
202	Kravchenko P.V. (cirilohysP)	1
203	Fedorenko T.V. (tavafe)	1
204	Unregistered	24

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