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February 27, 09:25 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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SQL exercises

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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	Bezhaev A.Yu. (Baser)	3	2	306		2
2	Chernov D.V. (Kursist)	2	2	306		2
3	Zhdanov K.V. (scuder)	3	1	17		2
4	Hasanov R.E. (grauf10)	1					13	18
5	Gordeev (TheInvincible)	1					10	15
6	Astapenko (live91)	1					10	13
7	Topol'nitskij (NotSoDrunkAlex)	1					8	13
8	Haroldas (HMVB47)	1					7	10
9	Kveselava S. (Hellblazer)	2					6	9
10	Krupinin A.A. (newbie abamka)	1					7	8
11	tupoy (tupoy_ya)	1					7	7
12	Bagduev A.A. (goodbyev)	1					6	6
13	Ostapenko E.M. (katieeee)	1					5	6
14	Ibragimov V.V. (The_End_Is_Near)	2					3	6
15	Kharitonov M.Yu. (Mhart)	1					4	5
16	Sebaraj V.J. (jeffrin)	1					3	5
17	Kartuzov A.A. (Alex_Kamski)	1					2	5
18	Vovk (vitol1)	1					4	4
19	Berestova V. (selderey)	1					4	4
20	Yatskevich M.V. (Mikhail Ivanych)	1					4	4
21	Marinin V.A. (Metabolic)	3					3	4
22	Kiryushkin S.G. (Sergo7)	2					ban	ban
23	Mamaev V.A. (48740)	2					2	4
24	Dubinin V.V. (Vaelk)	2					2	4
25	Savchenko V. (system64)	1					2	4
26	Burkovskij (bukovskiy)	1					3	3
27	Montera (student_001)	1					3	3
28	SQL (IvanSQL1)	1					3	3
29	Shubina E.S. (Olena Shubina)	2					2	3
30	Menzhunov V.D. (VladimirMenzhunov)	1					ban	ban
31	Vlasyuk V.A. (vva_1990)	1					2	3
32	Karankevich O. (mrpinax)	2					2	2
33	Kachura (Kachura)	2					2	2
34	Filatova A.D. (nastyapah)	1					2	2
35	Khudokormov V.A. (YasnoSolnishko)	1					2	2
36	Metanit M.M. (Metanit1)	1					2	2
37	M A. (pan_cake)	2					1	2
38	Bryukhanov O.V. (obryuhanov)	1					ban	ban
39	Frolov I. (froLOVE*)	1					1	2
40	Jasinskas (MartynasJ)	1					1	2
41	Kamarttinov A.I. (Black Ray)	1					1	2
42	Lavrent'ev (pomapuo)	2					1	1
43	Strel'tsov (BUN342)	2					1	1
44	Ognev I.V. (Ognev Il'ya)	1					1	1
45	Bobrova V.V. (Lers27)	1					1	1
46	Bychkov V.B. (vlad19)	1					1	1
47	foxsick (Foxsick)	1					1	1
48	Haidarzhy V. (vvitalityy)	1					1	1
49	Evlampiev R.N. (Cyclop)	1					1	1
50	protasov V.D. (pechka13)	1					1	1
51	Illenium (-1beerplz)	1					1	1
52	v V.V. (yvapmvitv)	549
53	d D.D. (_Dasha_)	549
54	s S.S. (_Semen_)	549
55	i I.I. (_Inga_)	549
56	b B.B. (_Boris_)	549
57	Lovkov A. (sapik)	2
58	marin M.A. (muxaulmarin)	2
59	Palchuk (Beliash_Bob)	2
60	Fefelov D.P. (SQLstr20)	2
61	Islamzada K. (kananislamzada)	2
62	K V. (kel16)	2
63	Ionov A.V. (kikimo0ra)	2
64	Krutov D. (hhhh123)	2
65	Moiseenko S.I. (mois_)	1
66	Dubinskij M.Yu. (Menakhem)	1
67	Strekalov P.V. (spvgl)	1
68	Koptel'tsev V. (selber)	1
69	Drozdov (circus_drozd)	1
70	Kumagai S. (porphyry)	1
71	Domrachev E. (ev05)	1
72	Titov K.E. (kirccc)	1
73	Ivan (Iterin)	1
74	Evstigneev Yu.S. (yurysql57)	1
75	Batozhapova S.Ch. (Seseg56)	1					ban	ban
76	D D.D. (j_dominik)	1
77	Kanchar (Atrides)	1
78	Medvedeva L.S. (mmmmmr)	1					ban	ban
79	Myshlyakov R.S. (Roman1995)	1
80	Domu A.E. (domulove)	1
81	dfs (shurupb)	1
82	Krotov (serge_k)	1
83	Migalko E.Yu. (LenaMiko)	1
84	Pavlov K. (Moisuro)	1
85	Zandeev B.Ch. (Bayar1)	1
86	Yelzhanov A.S. (Ayelzhanov)	1
87	Rak R. (rakamakafofristaylo1)	1
88	Pshenichnaya A.N. (allapnik)	1
89	Tsibul'skij D.N. (Danyel)	1
90	Konnova A.S. (nasech24)	1
91	Kaparov (ckkckck)	1
92	Zhigzhitzhapov B. (Tymor)	1
93	Ochirova K. (Kira Ochirova)	1
94	Yershova M. (Marry89)	1
95	Kushnarev P.V. (PavelKushnarev)	1
96	Vector (Vec7)	1
97	Plyasun A.V. (Aleksa311)	1
98	Suminkho (b00zzy)	1
99	Ryazanov I.Y. (shorty_igor)	1
100	P M. (jedius)	1
101	Rusakov (Vladimir507)	1
102	Khokhlov A.N. (freezzk)	1
103	Romanin (MCBorov)	1					ban	ban
104	Ivanov M.D. (Hom4boy1337)	1
105	Andreeva I. (andreeva.irina)	1
106	Sapozhnikov (AmegaRu)	1
107	Mur (FobusMur)	1
108	Kakayaraznitsa (JuRaBJlb)	1
109	Mavlyanov (Raizer1902)	1
110	wb112 (wb_112)	1
111	CHEN Q. (chen123)	1
112	Prutenskij A.A. (Prutenskij A.)	1
113	Volnov (alexvolnov)	1
114	Sliusarskyi V.V. (vlad.vados)	1
115	baton B.B. (baton_3233)	1
116	Gadzhikurbanov Ya.D. (Yarick12)	1
117	Soldatov D.A. (Di[n]ex)	1
118	Ptsn M. (mi-mi)	1
119	Shadow S. (Shadow light)	1
120	Kruzhkov K. (Melikhos)	1
121	Sadikov R.Z. (sadik-ahram)	1
122	Venerin R. (RejVenerin)	1
123	Kochenko T.V. (pardonme)	1
124	Tsmin' V.B. (Liku)	1
125	Ivanov D.M. (fox71)	1
126	shy N. (nataliashy)	1
127	Mirza S. (Saffu)	1
128	Asaeva (Evelynn)	1
129	Doronin V.N. (Vladiuse1)	1
130	Fedorchuk I. (Ivan_F)	1
131	Henry (O.Henry)	1
132	Abramov V. (jdm_one)	1
133	Shipaev A.S. (AgeHT)	1
134	Sokolov (Valderdos)	1
135	akakiev K.D. (kosta.micha)	1
136	Ershov (Bisha)	1
137	Dambrowski (Dambrowski T.)	1
138	Akhmadeev D.A. (OVERQ)	1
139	Moldybaeva M.M. (mari_1726)	1
140	- (vovchansky)	1
141	Ivanouski (aliakseii)	1
142	Sadykova A.A. (AlbinaS2021)	1
143	Kiselev (ZnojnyjPonos)	1
144	Vostryakov V.M. (vstrkv_)	1
145	Zhumagazy (aktobe7132)	1
146	Unregistered	11

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