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April 25, 19:07 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	Byulbyulov R.A. (royal364)	1			12	14	5	9
2	Lebedev A.I. (Made_In_Mama)	1			10	11	ban	ban
3	Buzmakov M.A. (mbuz43)	1			9	9
4	Zhekebaev A. (AdolfZ)	2			6	6	3	4
5	Kolesnikov S.O. (bulbasaurus)	1	4	16		5
6	Gapanovich P.A. (drestar1)	1	2	101		5
7	Nesov (STH80)	3	3	14		3
8	M (DanilM2304)	3	2	53		2
9	Gorbunov M.S. (gms)	1	1	26		1
10	Borschovetskij I.N. (Igor2.0)	1	1	11		1
11	Kudaibergenov I. (Ilyassickk)	1					15	26
12	Turobov N.A. (Nikita134)	1					15	26
13	Secret Key (Secret Key)	2					15	25
14	Obruchkov A. (a.obruchkov)	1					15	25
15	Klochev S.A. (unicornsereZHa)	3					ban	ban
16	ALikhodjaev T.O. (Tim.Cruise)	1					14	24
17	Dushkin V.V. (VladimirDushkin)	3					15	23
18	Semin A. (Lui)	1					14	22
19	jjjj J.J. (mouse_werber)	1					13	21
20	Sergeevna V.S. (Ku_Ku_Lya_Lya)	2					15	20
21	Yakubova M.T. (Balusha1609)	1					15	20
22	Lytkina (kikimorra)	3					15	18
23	Kazantseva (Kazantseva Tatyana)	2					15	18
24	Lazzy1 (Lazzy1)	1					15	18
25	raikov (dimrai)	1					15	18
26	Pavlinov D. (danil_panamera)	2					11	18
27	Serik T. (_Faust_)	1					9	18
28	Barakov A. (BarakovAsyl)	1					14	17
29	dufivara (d.ufivara)	1					11	17
30	qwerty Q.Q. (qwerty47353985)	1					13	16
31	Posyagin (RAGE96ru)	1					12	16
32	Nyx (Ygrik-CS)	4					10	16
33	Kuramshin S.I. (Sergey Kuramshin)	2					10	16
34	Kartushina Yu.S. (yulia_Stav)	1					10	16
35	Khaziev (jiesoryb)	2					9	15
36	Tsoy A.A. (squezy13)	1					9	15
37	Shirokov M.A. (Dr.Mikhail)	3					7	14
38	n (ivverlien)	1					7	12
39	Kolobok V.T. (Kaharman)	1					7	12
40	R (RMA_)	1					9	11
41	grud G.G. (grud)	1					8	11
42	Temirkhan Y.Q. (d4rise)	1					6	11
43	Pak (Pro100Max1)	1					8	10
44	familiya I.O. (adshiasdlaskl)	1					7	10
45	Alipov S.A. (alipSTP)	1					5	10
46	Zh A. (john_nash)	2					9	9
47	Val'kovskaya O.A. (valkosha)	1					7	9
48	Sokolov A.N. (warrior87)	1					7	9
49	Kamyzin (yolorino)	1					6	9
50	Narembekov T. (fountaineww)	1					5	9
51	Kaliuzhnaya E. (Ella07_85)	1					5	9
52	Degovtsov K.A. (brazilian.pdf)	1					5	9
53	Gabdulkhakov (Akfiashch)	2					7	8
54	awdwdadw (alpakkaa)	1					6	7
55	Myagkova M. (myagkovam)	2					5	7
56	Sembaev D.S. (miragamer29)	1					5	7
57	Saranchin M.S. (torvalds72)	1					4	7
58	Kolenko S.S. (Denitsa)	1					4	7
59	Isakov L.I. (LevIsa228)	1					4	6
60	Sakishov A.Z. (roqua1)	1					4	6
61	Bushmanov A.M. (Bushman16)	2					5	5
62	Morozova P.D. (mat_harp)	1					5	5
63	P A.A. (YourPast)	1					5	5
64	Gol'tsov A. (kodzima)	2					4	5
65	Filyushkina K.A. (ksyusha_filyusha1)	1					3	5
66	Fedorov P. (AlbertSpangler)	1					3	5
67	Kabayan I.A. (Irina_K.)	2					4	4
68	yesbossyn D. (daniyar06)	1					3	4
69	Ivachev N.N. (Vulpes_Z)	2					2	4
70	Konovalov (JustUty1)	2					2	4
71	Kushnir S.A. (Wishmaster190281)	1					ban	ban
72	Kyroto1 A. (Kyroto)	1					2	4
73	Rembo D.P. (Rahitos)	3					3	3
74	Dem'yanenko (BASIL_VA)	1					3	3
75	dzhoi -.-. (sashadzhoi1)	1					3	3
76	Komyakov Yu.V. (dreamersleet)	2					2	3
77	Ivanov I.I. (sql_svinger_double_finger)	1					2	3
78	Sobolev (SRD_NN)	1					2	3
79	Z (irzm)	1					2	3
80	Safonov (pupupum)	1					2	3
81	Onnik L. (Load_Onnik)	1					2	3
82	Tarasov N. (SQL_GOAT)	1					2	3
83	Dron D.D. (Dron1234)	1					2	2
84	Pribluda A.V. (anti-tank_hedgehog)	1					2	2
85	Luzin (nikitasyan)	2					1	2
86	Korolev R.V. (zouker)	2					1	2
87	Kotik A.Yu. (Nyaxys)	2					ban	ban
88	R. A. (Erayo)	2					1	2
89	Akulov (ustall)	1					1	2
90	Strukov (StrukovSA)	1					1	2
91	Mel'nik K.V. (karinakios)	1					1	2
92	Savostikova (Master sql_1111)	1					1	2
93	Patsyuk D.S. (dyankk)	1					1	2
94	Mad'yarov (Ndrix)	1					ban	ban
95	Makarova A. (makkormik187)	1					1	2
96	Odintsov K. (Odintsov)	1					1	2
97	Dzhundubaev (AveRen)	1					1	2
98	Shelest V.V. (ViolettaShelest)	3					1	1
99	black N. (neoblackyeah)	2					1	1
100	Yaroslav D.E. (YarsRS_)	2					1	1
101	blinova N.D. (anastasiya19)	2					1	1
102	Churkin A.S. (Tyomik941119)	2					1	1
103	Bair (lootta)	2					1	1
104	Ivanova (molecule-_-)	1					1	1
105	Zhurtov M.Kh. (Muricle1995)	1					1	1
106	Bodnya A.A. (kiryto)	1					1	1
107	kostrov (dialolx)	1					ban	ban
108	Ivanova (ansss)	1					1	1
109	Potapov I. (Inkw)	1					1	1
110	Salikov A. (fc_am1r)	1					1	1
111	Lipin (TugoseryaPuzogitel)	1					1	1
112	Trushnikov M.N. (chajan)	4
113	Kurochkin P.A. (qwrqwr)	3
114	Sarkis'yan G. (gennadi_s)	3
115	Semenov K. (GUGU_76)	3
116	Odnokurtsev (AlFochino)	3
117	Familiya I.O. (Aura0)	3
118	Samojlov E.P. (test_user_SDET)	3
119	Peshkov T.A. (Timokha_555)	3
120	Vyazovetskov A.S. (alex_v)	2
121	Krasovskij E.A. (pegoopik)	2
122	Vdovin S. (Rujan)	2
123	nurbekov D.N. (Nevermind`)	2
124	Birlyukov K.I. (FIDEMaster)	2
125	Andreeva A.A. (annandrrrrrr)	2
126	Gusev A.O. (NowOrNever)	2
127	Ivanov (userTest1)	2
128	Guzeev N.A. (MJK46&2)	2
129	Komov S.M. (Komov S. M.)	2					ban	ban
130	Yushina A.N. (Student63)	2					ban	ban
131	R (aaahzhz)	2					ban	ban
132	Byulbyulov R. (royal_byul)	2
133	Korshikov (Ilkorich)	2
134	Erbolat E.M. (=xX???nikita???Xx=)	2
135	s S.S. (lelouchx)	2
136	Sidorova A.M. (lexx17)	2
137	Cherkasova E. (sentyao1)	2
138	Terent'eva P.N. (Polina999nikol)	2
139	Yusupova E.R. (ellinka)	2
140	mfn vefk E.H. (jvhdvh)	2
141	Ponomarenko E.A. (koplayman)	2
142	Makarov I.A. (_Bkmz_)	1
143	Altashin S.V. (burrito)	1
144	Shilyaev D. (Shil.D)	1
145	abs V.S. (veron.en55)	1
146	K A.Yu. (Mad Harper)	1
147	Petrov A.V. (AVPetrov)	1					ban	ban
148	Filippova (verve)	1
149	Vaselendyuk D. (Vaselendyuk)	1
150	Hiruga (Nagi_91)	1
151	Konyahin (strates2)	1
152	Pogorelov M. (FH279)	1
153	Ryazanov I. (undead2025)	1
154	Prudaeva N.A. (Pavlova.nat.an)	1
155	Kuritsyn V.N. (ValNick)	1
156	Firyulina M.V. (beingpresent)	1
157	Charskaya M.V. (1magine)	1
158	Evseev O.A. (OlegEvs)	1
159	O (janeoosql)	1
160	Komarov D. (xkxzz)	1
161	TL A. (avi19)	1
162	Dmitriev A.A. (BAD_BALL)	1
163	Dmitry (lyrrayemvekh)	1
164	NIS I.S. (NISIlya)	1
165	Stepanov S.A. (Magvaj)	1
166	Ryan R.R. (Ryan3111)	1
167	R. (Wra1th)	1
168	Lysykh V.K. (Usilitel')	1
169	Timofeev A.T. (BegginerTex)	1
170	Fandieiev O.V. (999Alex1984)	1
171	Mal'kov N.S. (Holykoly)	1
172	Mishin (Bloodimirg)	1
173	Intengenova L.N. (loraint111)	1
174	Kolesov S.B. (Kolesov Stepan)	1
175	Mamuchadze V.D. (Valeria48)	1
176	Lebedev K.V. (Kirill_K3_47B)	1
177	Azanov (kulinarr)	1
178	Eugene (home_head)	1
179	Sergeev I.A. (skorodum)	1
180	Zhidkikh I.A. (Ivan.Zhid197)	1
181	Samokhina A.A. (Ania Nel)	1
182	Aleshina V.A. (Bibi_Healer)	1
183	Aurelius (gineus)	1
184	Ustimenko (brat2alek)	1
185	Zinov'ev I.V. (ilyazzzzzz)	1
186	Startsev D. (diman166)	1
187	Shatilov D. (ddaanniill)	1
188	Utkin S.A. (Aethel)	1
189	Gunkin (d_m_q)	1
190	Kruglikova V.E. (star_173)	1
191	ver (remli)	1
192	Alen N.G. (Nurgul')	1
193	Nabidolla D.E. (Dariyanabid)	1
194	G T.T. (ViperXXX)	1
195	Ust'yanova (Sharki4)	1
196	Vasil'chenko (kdr111)	1
197	Yakovleva T.O. (mala zeleni garoschkof')	1
198	Duisenbayev (3UMF)	1
199	Bocharova V.E. (Malvisa)	1
200	asd A.A. (fgh678900)	1
201	Bezhnar A.I. (artikius)	1
202	Kozhash D.B. (mindcapprime)	1
203	Langlits V. (Langlits)	1
204	vm (AlexanderTGreat)	1
205	Ishaq M. (Semaphore)	1
206	tyshchenko A.D. (ebenboben)	1
207	Deryagina V. (Valeria_deryagina)	1
208	Mikanev A.S. (and_meek)	1
209	Podolyan (Rrrrrrram)	1
210	Snitsarev V.P. (Vyacheslav888)	1
211	raikov (dimrai2)	1
212	Unregistered	38

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