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May 28, 12:03 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	Karpenka (Datel)	2			1	1
2	Kasarkin N.E. (naiketos)	1					ban	ban
3	Vorob'eva D. (luanely)	2					15	26
4	Gorobenko S.A. (Gorobenkos)	1					15	26
5	Balkarov I.M. (peckerw00d22)	1					ban	ban
6	Denezhkin N.V. (YALIEU)	1					ban	ban
7	Kostenko D.A. (Diana :P)	1					ban	ban
8	Usmanova (Nigina)	1					15	18
9	Pozdeev A.A. (ubica_nubov_2006)	2					14	18
10	Dusaeva K.R. (Astrena)	2					ban	ban
11	Kasimov I.M. (Oleg Bandana67)	1					10	17
12	Usmanova Ya.Sh. (Yasmina)	1					9	17
13	Sorokin A.A. (antohakhl1)	2					12	15
14	Soldatova E. (Shtuka)	2					11	14
15	Zajtsev M. (muwerich)	1					11	14
16	Starkov S.A. (SerjantPro)	4					11	13
17	Palachev N.A. (Nikit0sPRO)	3					11	13
18	Kalyamin D.E. (s1ga)	3					11	13
19	Temuryan S.Sh. (Slavik123)	2					11	13
20	Strelkova E.D. (Lizka_sosiska)	2					10	13
21	Selezneva E.V. (katyaseleznevae)	2					10	13
22	Mikhaleva T.A. (TnA00)	2					10	13
23	Slotina E.N. (KateSlot)	1					10	13
24	Khashab F.K. (Firas_Kh)	1					10	13
25	D (Nidekn)	1					10	13
26	kharitonova P.O. (polina5845634)	1					10	13
27	Pestrikova V.I. (LLINAJOO)	1					10	13
28	Sukhikh S.V. (iasti)	2					10	12
29	Kuznetsova A.D. (Ana_stsis)	2					10	12
30	Kholkin Ya.D. (daxak)	2					10	12
31	Pichugin V.B. (alegarxan1)	1					10	12
32	Busher (busherannaPPP)	1					8	12
33	Sigrianskaya M.K. (LazyCake)	2					10	11
34	Chochaeva S.A. (salimasalima)	2					10	11
35	Konovalov A.S. (big_dick_club)	2					6	11
36	Gudkova U.V. (itsuliany)	2					6	11
37	Ryazanov N.S. (nikitosin163)	1					7	10
38	Gleb O.O. (anbelivbl)	1					ban	ban
39	Gubanova (Olalya)	2					7	9
40	Ziiangirova G. (Zi.Gulchachak)	1					5	9
41	Shostak L. (Elishostak)	2					6	7
42	Sapargali A.S. (aleka03)	1					6	7
43	Voronyuk A.E. (l_e_x_a_net2211)	2					5	7
44	Tarasov A.S. (FableDev)	1					5	7
45	Abramov D.S. (Farlamper996)	2					4	7
46	Arkhangel'skij D.G. (Zotak)	1					4	7
47	Tarelov A.V. (Alexander_2025)	1					5	6
48	Kovalenko P.S. (pskovalenko)	2					ban	ban
49	Antonova A.A. (AnitaAntonova)	1					4	6
50	Ivenin I.A. (Ivenin)	3					5	5
51	Shabalin D.A. (Dmtrij)	1					5	5
52	Yakovenko D. (Meoowaa)	1					5	5
53	Borisov K.A. (Rendans)	2					3	5
54	Denezhkin N.V. (Lieu)	1					ban	ban
55	Dikij E.S. (yeeega)	1					3	5
56	Smirnov A. (Antoxa_S)	1					4	4
57	Kazina M.U. (Umai)	1					4	4
58	Chulyukov N.V. (AzazeeL)	1					3	4
59	Revenko M.A. (CptDisturbed)	1					ban	ban
60	Aleshina K.A. (kira18126)	1					2	4
61	Oten Y. (CORTEZZ)	1					2	4
62	Tskhao N.M. (caonimenma1)	1					3	3
63	Abrosimov N.A. (Rjkzz)	2					2	3
64	Andreev A.A. (Basurmeeen)	2					2	3
65	Kim K.S. (lumbersh)	1					2	3
66	Emel'yanov D.D. (BallisonGG)	1					2	3
67	Soboleva I.Yu. (Matreshka_)	1					2	2
68	Martinez J.A. (alejoan)	1					2	2
69	Ivanova K. (krrrz)	1					2	2
70	Savitskij R.S. (zzzzqqqqx)	1					2	2
71	lin A.B. (swpetra)	2					1	2
72	Kovalenko N. (Nicos)	1					ban	ban
73	Vakhromov (v4w)	1					1	2
74	Makarova A. (JuStudent)	1					ban	ban
75	Sokolov S. (kstovchanin)	1					1	2
76	Stepanov (LexFrom)	1					1	2
77	Borodina (Perunica33)	1					1	2
78	Eselenok A. (avvenni)	1					1	2
79	S (n1pron)	1					1	2
80	Kulagin (ViablEr)	1					1	2
81	Solov'yov D.A. (SolovDi)	1					1	1
82	Goldobin E.G. (prm259)	1					1	1
83	Biba N.V. (gipnogaba)	1					1	1
84	Kadarmetov D.N. (horizon-spark)	1					1	1
85	Rybin (AlexRybchik)	1					ban	ban
86	Dorokhov A.M. (SORIDI)	1					1	1
87	Zajtseva A.Yu. (ale00)	1					1	1
88	Vyazovetskov A.S. (alex_v)	4
89	Pozharskaya K.Ya. (Tsyplyata)	4
90	Konovalova O.S. (Konoval)	3
91	Vdovin S. (Rujan)	2
92	Sarkis'yan G. (gennadi_s)	2
93	Odnokurtsev (AlFochino)	2
94	Nakonechnaya V.S. (Zarela)	2
95	Savitskij D.V. (Savacool2212)	2					ban	ban
96	Felipe (FelipeLambach)	2
97	Manaenkova S.M. (SvetMn)	2
98	Zyuzyupupuk P.K. (@mutagen00)	2
99	Krikunova V. (lumea.qa)	2
100	Kurochkin P.A. (qwrqwr)	1
101	Krasovskij E.A. (pegoopik)	1
102	Koptel'tsev V. (selber)	1
103	Zubov D.M. (WoWKitty)	1
104	Solodov E.V. (Esldff)	1
105	Mikhajlov V. (Val'ter92)	1
106	Lakalov D. (Meilleur_NG)	1
107	Rusyan (Dimitry23)	1					ban	ban
108	Semenova (kasucha)	1
109	Scherbakov A. (Anton Scherbakov)	1
110	Issabek (HitThaRoof)	1
111	Mulyukov (rr2108)	1
112	Mikhajlov A. (Mikhailov A. A.)	1
113	Wooster (Nick Bucklow)	1
114	Kalibekov G.T. (L23)	1
115	Tarabukin (dmitriitarabukinnickname)	1
116	Gemazudinov D.R. (DimonLemon)	1
117	Krylov A.K. (Krylov_Aleksandr)	1
118	Chepuhov 1.2. (Arturka)	1
119	Idrisov A.S. (AinurSQL)	1
120	Skokov B.S. (leks$$)	1
121	Fry (philip-fry)	1
122	Burlakov (sergej.burlakov)	1
123	P I.*. (IrinaPetr)	1
124	Belyakov (ilikedarkblue)	1
125	Golovkin I.A. (GHOST2508)	1
126	Garchenov (Gar4en)	1
127	R. (Wra1th)	1
128	Tokar K.I. (Zegwaer)	1					ban	ban
129	Ershov P.K. (Xazanione)	1					ban	ban
130	Dergach D. (Anat_ta)	1
131	Khalilov A.A. (Abdul-Kadyr)	1
132	Zhiryakov V.V. (vladvladzero)	1
133	Khalimon A.Kh. (AntonKhalimon)	1					ban	ban
134	Marar A.S. (16_capybara_02)	1
135	Z (Dolto)	1
136	Alekseev A.S. (Andser)	1
137	Lityushkin A.I. (alexlit)	1
138	Odintsov G.Y. (Jopix)	1
139	Ermakov A.S. (Mr.Ermak)	1
140	Sokolova O.V. (Ol'ga2026)	1
141	Terpeneva U.O. (Terpeneva Ul'yana)	1
142	Sholokhov (Skelemaster1)	1					ban	ban
143	Cherevatykh E.A. (egorikzxc)	1
144	Anton A. (feerbax1)	1
145	Yakovleva E.V. (evelina027)	1
146	Talypova M.R. (yaroslavskaya)	1					ban	ban
147	Petrov A.I. (Tobo-bobo)	1
148	Sobko Ya.I. (yarik_the_destroyer)	1
149	Barakov A. (BarakovAsyl)	1
150	Petrova G.I. (Galina_psql)	1
151	Ne R. (maddena)	1
152	Doroshevich A. (velion34)	1
153	Ryzhkova S.A. (callmelanaplease)	1
154	Kovalenko P.S. (pkovalenko)	1					ban	ban
155	Rudobaba A.A. (Nahfahlaar)	1					ban	ban
156	Cherkashin D.V. (ANL_GT)	1
157	Dudkevich V.V. (CitrusBird)	1
158	Koloskov P.Yu. (pvkolos_)	1					ban	ban
159	Aligerskij S.N. (Aligerskiy)	1
160	Ajdaeva M.Sh. (marivanka)	1
161	Nazarov (Neislaw)	1
162	Ruecker N.B. (Kaden.Mann6)	1
163	Denezhkin N.V. (MeLieu)	1					ban	ban
164	Berkut D. (Reep1)	1
165	Ignat'ev A.A. (Anton_Sv)	1
166	Shvajkina (lenor666)	1
167	Yur'ev A.S. (Alex10545)	1
168	Lodyreva (Ulya0066)	1					ban	ban
169	Tagirov R. (batman88)	1
170	Kydyrbekova Z. (Solo369)	1
171	Yurkin N.A. (VeagleV)	1
172	Kolobuk L.P. (Xamst3er)	1
173	Gusev V. (Vov4ao)	1
174	Mirzaeva S.R. (smr19)	1
175	Sorokin A.A. (antohakhl)	1
176	Iva E.A. (PlatinumKub)	1
177	Unregistered	16

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