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November 21, 09:29 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	Yakunina A.D. (angelina_ya)	1	2	-5	11	15	ban	ban
2	Marchenkov (Decoe)	1	2	32		4
3	Nazarenko I.Yu. (ki.mono)	1	1	47		3
4	Khokhlov A.V. (rald6839)	1	1	-4		2
5	Klykov V.E. (Mikuslav)	1			2	2	1	2
6	Andrei C. (Codrul)	1					ban	ban
7	Gulyaeva K.V. (ochkowinx)	1					ban	ban
8	Lesin A.V. (Maset)	1					ban	ban
9	Palkina Yu. (palkinayulia)	1					ban	ban
10	Borisov A.O. (Borisov Andrej)	1					ban	ban
11	Aku K. (akukuakuku)	1					ban	ban
12	Panfilov D.S. (D0ne1)	1					15	29
13	Doszhan A.N. (atok)	1					15	27
14	Shashin D.I. (Impre1ve12)	1					ban	ban
15	Kasimov A.Ya. (A.K.Sinergiya)	1					15	27
16	Aku K. (akuku)	1					ban	ban
17	Dongadze Z.Z. (Zaza-93)	1					14	24
18	Ismoillov A. (IAAI)	3					13	23
19	Nikitin A.E. (WayNik)	2					15	20
20	Gonda (Noreen)	2					15	20
21	Baldovino (eunismb23)	1					15	20
22	Ivanova E.S. (CYBD)	1					9	18
23	Tychinskaya (Alexxxxxxxxxxxxxxxxx)	1					8	18
24	Bayazitov (ElmirBayaz)	1					9	17
25	Zaitsev N.V. (Tyrudi)	2					13	16
26	Tikhonov R. (tikhromds)	1					10	16
27	Mashev A.S. (PrimaryKey)	1					ban	ban
28	Popov (MaxDBT)	1					9	15
29	Wove (bewov96105)	1					9	15
30	Bystrov A.V. (AlexBystrov)	1					7	14
31	Kachanov S.S. (Halfelf)	2					10	13
32	Antonov I. (shkedin)	1					9	13
33	Shperkin S.L. (slshperkin)	1					8	12
34	Efremov G. (frestoweb_hse)	1					7	12
35	Bel'skij A.A. (borland47)	1					8	11
36	Zemchenkov R.E. (Kollega17)	1					7	9
37	Timofeev I.P. (savin1)	1					6	9
38	Yargin Yu.N. (yargin)	1					5	9
39	Kushnarev A.A. (konaga)	1					5	9
40	Egorova I. (Test_IraEg)	1					5	9
41	KOPYLOV V. (KOPYLOV666)	1					ban	ban
42	Koposova I.V. (Irishfuzzy)	1					4	8
43	Mucsi I. (Bella0505)	1					4	8
44	Garatay A.S. (totish)	1					5	7
45	Fedorov . (reeBorn)	1					5	7
46	Zubov G.E. (akiromi)	1					5	5
47	Kusherov A. (CleanWater)	1					5	5
48	Abobovich (aboba133722844)	1					5	5
49	Alimova S.A. (Shattyk)	1					4	5
50	Akhmetov R.T. (ruslanchezas987)	1					4	5
51	Voronkov O.E. (Tekagis)	1					3	5
52	cdbbdb (mmmzoloto)	1					ban	ban
53	Kartsev E.A. (J0n$0n)	1					3	4
54	Chernov V.M. (sw1r)	1					3	4
55	an_samoiloff125 (an_samoiloff)	3					2	4
56	Gvozdev A.A. (Arsen.Gvozdev)	2					2	4
57	Kubatbekov A.K. (Argen_)	1					2	4
58	El'nikova N.A. (elochka sosnovaya)	1					2	4
59	Bondareva A.A. (Goat123)	1					2	4
60	Kravtsova M.S. (MariaUndina)	1					2	4
61	Yarovikova D.R. (dashko555)	1					2	4
62	ivanov A. (Aleksandr6444)	1					2	4
63	Kabany (Komanda_Ogurtsy)	4					3	3
64	Ivanov (dddsqrt1)	1					3	3
65	Bateman (st3v0)	1					3	3
66	Izmakova A. (Alm@)	2					2	3
67	Latyshev V.V. (Latyshev_V)	1					1	3
68	Murav'eva A.A. (Nstsi.mur)	1					2	2
69	Emonakov K.Yu. (emonakov)	1					2	2
70	dallaeva M.D. (maridallas)	1					1	2
71	Nikolaev A.N. (AlexeyHeizenberg)	1					ban	ban
72	Cherednichenko Yu.V. (Kottoshak)	1					1	2
73	Rusakov (Rusakov)	1					1	2
74	Mameev P.A. (Petr_mameev)	1					1	2
75	Ryabchikov I.V. (Kamikalinka)	1					1	2
76	Bazarbaj G.G. (Gulsaya B)	1					1	2
77	Moshikhin D.I. (Dan-Mos)	1					1	2
78	Kurilov R. (Zyzic1001)	1					1	2
79	Demidova L. (Milasha02)	1					1	2
80	Avksent'eva Yu.V. (CaptainCat)	1					1	2
81	Suresh M. (Maithreyi_S)	1					1	2
82	Martyn (Padovan)	1					1	2
83	Nazarov P.A. (Pavl_on)	1					1	2
84	Osoka V.M. (artem key)	1					1	2
85	Tveryanin (IndeeCH)	1					1	2
86	Kinev A.S. (Kinev)	1					1	2
87	Li O.Y. (Oksana Li)	2					1	1
88	Dim (WcGpv)	1					1	1
89	Garifullin R.R. (Tugarin_KRD)	1					1	1
90	P I.*. (IrinaPetr)	1					1	1
91	Kharaman (Viktor Kharaman)	1					1	1
92	Gabdulin Yu.R. (xXx_UbijcaSmerti_xXx)	3					ban	ban
93	Zhukova (Severolaminatnayanozhka)	2
94	Fara B.B. (Baron555)	2
95	Suvorikova S.M. (SofiaSuv)	2
96	Agafetova E.S. (agafetova_es)	2
97	Loktev K.O. (Hannes)	2
98	Aschepkov I.S. (7STORK7)	2
99	Verbitskiy M.S. (_max777)	2
100	Guzhevskij G.Yu. (ZET1702)	2
101	Filippov S. (fill-ser)	2
102	Shkarednyj I.N. (Gosha)	1
103	Kurochkin P.A. (qwrqwr)	1
104	Pr (One-two)	1
105	Latyntsev N.G. (aks_nsk)	1
106	Savrukhin S.O. (savrawar)	1
107	Semko (Disciple1)	1
108	Strelnikov A. (Wander12221)	1					ban	ban
109	bezotosniy A. (bezotosniyau)	1
110	Livshits (@Valeriy)	1
111	Alekseeva T.M. (TM)	1					ban	ban
112	Paramonov A.V. (Irif)	1
113	Bolotov D.A. (Epihod)	1
114	Popkov V.V. (Satovec)	1
115	Brikin A. (True_SQL_God)	1
116	Issabek (HitThaRoof)	1
117	Tsoj S. (healot7)	1
118	Zaynutdinov M.Z. (mazay_first)	1
119	Dergunov M.S. (Kuzkino)	1
120	Gultayev D. (DaurenGultayev)	1
121	Skorobogatov A.A. (Real_Rock_n_rolla)	1
122	Kuznetsova A.K. (kuzenka_ap)	1
123	Zartenova L.G. (Mila63)	1
124	Kharitonova Yu. (julandreeanova)	1
125	Makarova Yu. (McJuls)	1
126	Shishkin I.I. (cosjr)	1
127	Druzhinina M.A. (maneya)	1
128	Voronchikhin F.V. (mreve)	1
129	Sidorov M.V. (Blume)	1
130	Ustinov A.M. (nnixalbl4)	1
131	Gil'manov A.F. (Arslan1998)	1
132	Ermakov (ermak_tm)	1
133	Bet' E. (DexMorBets)	1
134	Mokrov S. (MokrovServgey)	1
135	Mikheev A.A. (coJlHe4Hblyi)	1
136	Vafeen (vafeen)	1
137	Jcvd6 (Jcvd26)	1					ban	ban
138	Krutoy O. (oherennyi_boy)	1
139	Pepel S. (Pepel sna)	1
140	Dogotar' N.N. (swagslov)	1
141	Ivanov (userTest1)	1
142	Murav'ev M.S. (Maxx2606)	1
143	Kobozev A.V. (nuniunnini)	1
144	Pak A. (alexey321)	1
145	Stepanenko K.Yu. (St.Constantine87)	1
146	Bakhtybayeva G.M. (muratovnaag)	1
147	Zeynalli S.R. (somewhat)	1
148	Nikitina (Elizaveta Nikitina)	1
149	Vasil'ev M.A. (Gertz2)	1
150	Sitkina E. (Poohidze)	1
151	Kostin M.A. (mkostin)	1
152	Yaroshevich M. (uItramarine)	1
153	Sidorkin (Somet)	1					ban	ban
154	Kazakova V.E. (SunnSet)	1
155	Rusinov (Alies87)	1
156	Voronin V.V. (I30P0H)	1
157	Mandzhikova E. (Slow bee)	1
158	Yurin I.V. (IvanYurin)	1
159	Mikheeva V.I. (Silveria)	1
160	ser (krayk_)	1
161	Malyshev F.K. (Street Carp)	1					ban	ban
162	Medvedev A.K. (bd50_a.k.medvedev)	1
163	Nurlybay N.A. (nur_baqyt)	1
164	Dashinimaeva (dsvsusu)	1
165	Aryutin (tr1ple)	1
166	Shirobokov I.S. (Ivan Shirobokov)	1
167	Brutskaya A.A. (brutik)	1
168	Arthur A. (arturiki)	1
169	Grechko E. (Gre4a_ea)	1
170	Valishina A.M. (tsomll)	1
171	sadafa (bydlak14)	1					ban	ban
172	Chibisova S.A. (Sharik0308)	1
173	Glazova E.S. (Katya-Katerina23)	1
174	Ksirova A.R. (ctrldmg)	1
175	Ignatenko (Annewith2n)	1
176	Berdyugina Ya.O. (YasyaNincasy)	1
177	Lomonosova D. (Daria_Dremuchaya)	1
178	Timchuk N.V. (tds1)	1
179	Osoblivets R.G. (ShadowKind2033)	1
180	Turlaev (Nick_Aten)	1
181	K I. (Ivan Kn)	1
182	Ts (ochkarik)	1
183	Gabbasov K. (deviant777)	1
184	Murzina M.A. (Murzina Mariya)	1
185	ya (uxsnap_)	1
186	bespalov E.V. (banana_master234)	1
187	Lyadov E.A. (CMEJI4AK)	1
188	Vanyukov N.A. (NikitaVan)	1					ban	ban
189	Aziziva Y.V. (Yana44)	1
190	Babatov Kh.A. (xbat404)	1
191	baibhav (baibhav)	1
192	Karimov D.K. (karimzoda21)	1
193	Ziminova J. (Julia_Ziminova)	1
194	Gavrilov G.G. (Sobek)	1
195	Dubenskij A.Yu. (Kukvan)	1
196	Unregistered	18

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