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November 22, 12:18 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	Dodonov S.A. (PRAVDA_SEMPAI)	1			10	11
2	Ul'yanov I.G. (isbo093)	2			5	10
3	Malegin D.A. (Tsuraraaa)	1			2	4
4	ASI (asi_sql)	1	1	93		3
5	Vukolov A. (al.vuk)	1	1	-3		2
6	O (janeoosql)	1			1	2
7	Ronzhin A.S. (smep)	1			1	2
8	Raibek T. (Toma55)	1					15	25
9	Beimurza Z.Z. (Zhandaulet Beimurza)	1					15	25
10	Abdrakh E.S. (Alinur25)	1					15	25
11	Ogeenko V.V. (Ikiru00)	1					15	24
12	Dzagashtov R.A. (Dzagashtov1)	1					15	24
13	Khilalova L. (kh_l_1860_)	1					ban	ban
14	Shpilevaya K.P. (kukukuku)	1					ban	ban
15	Kulshashar Z.R. (ZHAMBO)	1					13	23
16	Sharov D.S. (flagy)	1					11	22
17	Kanabatyrov T.N. (Fryder)	1					13	21
18	Alimbekova B.?. (Baknur)	1					12	21
19	Turashbay N.Y. (Nurgali...)	1					11	19
20	Turdiev U.M. (uluk_249)	1					ban	ban
21	Koveshnikova M.A. (M_K)	1					ban	ban
22	Sultanbay A.G. (aigul06)	1					10	17
23	Begiyan A.N. (almora111)	1					10	17
24	Kurnov N.A. (lobynza)	1					8	17
25	Vanya P.Ya. (IvanSamarskiy)	1					ban	ban
26	Metkin K.E. (kirushka812)	1					ban	ban
27	Tsyrenova M.B. (Miss_Meggy)	1					9	12
28	Mahmud A. (Ansar)	1					ban	ban
29	Korovin D.Yu. (t1quuuu)	1					7	12
30	Tret'yakov I.N. (ilyatr27)	1					8	11
31	Lo N. (natalo)	1					7	11
32	Roman S.A. (Romashka812)	1					ban	ban
33	Zhanysbek K.Zh. (Linkvon2)	2					6	11
34	Sokolova T.V. (ST754933)	1					6	11
35	Yed (1sssend)	1					6	10
36	Evseev M.D. (BenBeri)	1					6	10
37	Obokov D.D. (Temnyj Prints)	1					ban	ban
38	Temirlan K.A. (Tikosh2005)	1					ban	ban
39	Izbasar B.A. (Bau05)	1					5	8
40	Ajdarbek N.A. (nurbek0472)	1					5	8
41	Sergeev R.S. (hard_n_heavy)	1					6	7
42	Gusel'nikova A.I. (Alina Guselnikova)	1					6	7
43	Vaslyaev S.V. (JAV-JAV)	1					5	7
44	joqorupe@koletter.com2 J.J. (joqorupe@koletter.com1)	1					5	7
45	kto T.T. (ktoto_am)	1					6	6
46	abatkan I.A. (Imosh)	1					4	6
47	T A.A. (Ali919)	1					4	6
48	svoi I.M. (Korday)	1					ban	ban
49	Hogvarts P.G. (erasyl343)	1					ban	ban
50	Aliev A.R. (aaaw4yaa)	2					5	5
51	Vojnov A.V. (Aleks_AVVoy)	1					3	5
52	ALL A.A. (Ghostofich)	1					3	5
53	Kurbanova Kh.R. (xadyash)	1					4	4
54	Moldash K.A. (keraaaa)	2					3	4
55	Sergeev (spaghettiwestern)	1					3	4
56	Yakh'yaev T.R. (Tural)	1					ban	ban
57	yerko Y.Y. (yerko)	1					3	4
58	Maksimov A. (Duno)	1					3	4
59	Bazarsadaeva S.M. (SaryunaMak)	1					2	4
60	Ulanova M.V. (MashaUlanova)	1					2	4
61	Kak K.G. (xekk)	2					3	3
62	Abdurazakov S.A. (nolanzzzz)	1					3	3
63	Gusejnov R. (minipekka)	1					3	3
64	Ismailov D.S. (Rav3la)	1					3	3
65	Magomedov M.G. (jojo12)	1					3	3
66	Grekov (Russel1111111111)	1					3	3
67	Budaeva A.Zh. (Altana)	2					2	3
68	Zyuz'kov S.V. (stepanzuzkov)	2					2	3
69	R M.V. (rybakmak)	1					2	3
70	Mohovikov (HardFlame)	1					2	3
71	Toktash Y.M. (yerdyn asyly)	1					2	3
72	M (DanilM2304)	1					1	3
73	Ivanov (Ivanov_Nikolay2)	1					ban	ban
74	Inkognit A. (superSanya)	3					1	2
75	Abidueva S.Ts. (Surzhana)	3					1	2
76	Miroshnichenko E.K. (hulk00)	2					1	2
77	Khandueva A.M. (Ayanka)	2					1	2
78	Sonduev Z.P. (Zaynobar)	2					1	2
79	Kokhova Yu.A. (CrazyFox1)	2					1	2
80	Kovalenko A.E. (problemsolver9095)	2					1	2
81	Bredikhin M. (maxim_bredikhin)	1					1	2
82	Naumenko K.A. (deantrap)	1					ban	ban
83	Platonov A. (Golden-Times)	1					1	2
84	Popov A. (Amniculus)	1					1	2
85	Grinyova E.P. (Neru38_)	1					1	2
86	Abramov V. (Vitaminez)	1					1	2
87	Chalov (auxiliarytrinket)	1					1	2
88	Gusakova O.P. (Oksana Gusakova)	1					1	2
89	Ladygin M.L. (laperouse)	1					ban	ban
90	Britov N.S. (Nikitooshka Britov)	1					ban	ban
91	Nuretdinova E.R. (Evelina.)	1					1	2
92	Amaraeva D.I. (damaraeva)	1					1	2
93	Sandakova B.B. (SBB)	1					1	2
94	Mukhanaeva T.V. (TamaraMV)	1					1	2
95	Solyannikova A.Yu. (Anna56)	2					1	1
96	Bayaly A.B. (Asl7292)	2					1	1
97	Mal'kov N.S. (Holykoly)	2					1	1
98	Tolegen M.A. (Maksat T)	1					1	1
99	Goncharova D. (D.Aria)	1					1	1
100	Chuyanov A. (FoxM)	1					1	1
101	Alikulov Z.D. (Ziyovuddin_5876)	1					ban	ban
102	Sitdikova L.Kh. (Leys_s)	1					1	1
103	Shukalovich N. (nicole_sh)	1					1	1
104	serva4ok (serva4ok)	2
105	Pavlov (softwar)	2
106	Korolev R.V. (zouker)	2
107	bekbotaev S.B. (bolat123)	2
108	sagatkyzy K.S. (sagatovaasq)	2
109	Klyuchnikov M.N. (Mikhail23isbo3)	2
110	Ermekbai D.G. (diko22)	2
111	Panteleeva (letnapan)	2
112	Krasovskij E.A. (pegoopik)	1
113	aa (dandwort)	1
114	Bubenets G.D. (gregorybubenets)	1
115	Sil'van (silvr)	1
116	Kochkurkin A. (Index1)	1
117	Boyarskij V.A. (ChronoMorzh)	1
118	Dujsen (Zake1)	1					ban	ban
119	Kuznetsova A. (alephanta)	1
120	Ivojlova (ivojlova)	1
121	test1111 T.T. (test11112)	1
122	Plotskij K.N. (Cybernetik)	1
123	mipt P.C. (mipt_psu_cybersport)	1					ban	ban
124	Rudenko A.I. (Salimova2205)	1
125	Nep (Ringdove_1)	1
126	Sarkis'yan G. (gennadi_s)	1
127	Bykov (sky-shore)	1
128	Berest (Maozxxz)	1
129	Ivanov (userTest1)	1
130	Petrov N.D. (on1um)	1
131	Aniskovich E. (evgeniyaniskovich)	1
132	Davydov D.I. (carnage2222)	1
133	Solov'ev N.S. (pyatn1tsa)	1
134	R. (Wra1th)	1
135	Mitchell (girluncool)	1
136	Razumouski V. (viachaslau85)	1
137	Kuz'min A.V. (Takedo777)	1
138	Rakhmanov R.R. (Rassik228)	1
139	Komov S.M. (Komov S. M.)	1					ban	ban
140	Lysykh V.K. (Usilitel')	1
141	M I.N. (Myshlyaev I. N.)	1
142	Sovet A.D. (Ansssss)	1
143	Rakhat D.Zh. (danikrr)	1
144	Bassan Y.Z. (Bassan)	1
145	Tawirbaev A.A. (KNPVRKChPAA)	1
146	Loparev M.N. (max_z22)	1
147	Murdalov I.S. (ibrams91)	1
148	erbolatkyzy D. (erbolatkyzyyme)	1
149	Nikitina V.A. (VasIlIsa_30)	1
150	Dujsebaj Kh.M. (Duikhass)	1
151	Reut R. (Ruslan25)	1					ban	ban
152	Rumyantsev D.A. (DenisRumyantsev23isbo4)	1
153	Guchinskij F.A. (guchinskij)	1
154	Sukhotin A. (Artem_77)	1					ban	ban
155	Kichkina (kchkn)	1					ban	ban
156	Aleksentseva N.P. (aleksksks)	1
157	Kamalov A.K. (Kamalov1662737)	1
158	Volkova E.D. (volkova27)	1
159	Ivanova P.G. (naomitwtt)	1					ban	ban
160	Tiunova Ya. (YanaTiunovaa)	1					ban	ban
161	Yakovlev K.P. (lakrica)	1
162	Khajdapova B.B. (Bal'zhit)	1
163	Serebrennikova O.K. (Olga-)	1
164	Badmatsyrenova S.B. (Surana)	1
165	Sidorov (Bieronim)	1
166	Bondarenko D.K. (kartoshkarr2)	1
167	Stikhov I. (soss)	1
168	Pupkin A.V. (Pupkin123456)	1
169	Denisov A.I. (lx92)	1					ban	ban
170	Uyabayev A.S. (Alish1112)	1
171	Kireev V.V. (Vitalik_265_510)	1
172	Aleksandrova V. (VolhaAlex)	1
173	Astashova I.M. (Aerialast)	1
174	Akimov A.A. (teiku)	1					ban	ban
175	Vein (Leo66)	1
176	Kotov V.V. (sw1nkss_kotov1)	1
177	Mejramov D.E. (Dias21)	1
178	Lapina I.V. (irinalapina)	1
179	Zhukov N.A. (minichikipuk)	1
180	Kuz'min A.I. (stork1508)	1
181	Meliksetyan K.N. (carey138)	1
182	Suslov (Apelsin_Cocksucker)	1
183	potyomin V.D. (potyominv)	1
184	Rakhmanov R.R. (rassa228)	1
185	Sparrow R. (redsparrow)	1
186	Bayarova E.M. (Bayarova Elena)	1
187	Kuz'mina O.V. (kzmna.ok)	1
188	Anistratenko (Nika Klyk)	1
189	Abidueva S.Ts. (Surzhana Abidueva)	1
190	M (InkumnoYa)	1
191	Zalivatskaya N.V. (Naty_Zaliv)	1
192	Gvozd' D. (DGVD14)	1
193	Cheresh A.A. (miscatr)	1
194	Unregistered	9

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