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April 25, 22:12 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 (80STH)	5	4	15		4
8	M (DanilM2304)	3	3	54		4
9	Skibin V.V. (SQL_vvs)	1	1	23		3
10	Gorbunov M.S. (gms)	1	1	26		1
11	Borschovetskij I.N. (Igor2.0)	1	1	11		1
12	Korshikov (Ilkorich)	2					15	26
13	Kudaibergenov I. (Ilyassickk)	1					15	26
14	Turobov N.A. (Nikita134)	1					15	26
15	Zverev N.S. (Nikzver)	1					15	26
16	Secret Key (Secret Key)	3					15	25
17	Obruchkov A. (a.obruchkov)	1					15	25
18	Klochev S.A. (unicornsereZHa)	3					ban	ban
19	jjjj J.J. (mouse_werber)	2					15	24
20	ALikhodjaev T.O. (Tim.Cruise)	1					14	24
21	Dushkin V.V. (VladimirDushkin)	3					15	23
22	Semin A. (Lui)	1					14	22
23	Sergeevna V.S. (Ku_Ku_Lya_Lya)	2					15	20
24	Yakubova M.T. (Balusha1609)	1					15	20
25	Pavlinov D. (danil_panamera)	3					12	20
26	Lytkina (kikimorra)	3					15	18
27	Kazantseva (Kazantseva Tatyana)	2					15	18
28	Lazzy1 (Lazzy1)	1					15	18
29	raikov (dimrai)	1					15	18
30	Sokolov A.N. (warrior87)	1					15	18
31	Barakov A. (BarakovAsyl)	1					15	18
32	Taszhanov T. (Timur Taszhanov)	1					15	18
33	Serik T. (_Faust_)	1					9	18
34	dufivara (d.ufivara)	1					11	17
35	qwerty Q.Q. (qwerty47353985)	1					13	16
36	grud G.G. (grud)	1					13	16
37	Posyagin (RAGE96ru)	1					12	16
38	Nyx (Ygrik-CS)	4					10	16
39	Kuramshin S.I. (Sergey Kuramshin)	2					10	16
40	Kartushina Yu.S. (yulia_Stav)	1					10	16
41	Khaziev (jiesoryb)	2					9	15
42	Tsoy A.A. (squezy13)	1					9	15
43	Shirokov M.A. (Dr.Mikhail)	3					7	14
44	n (ivverlien)	1					7	12
45	Kolobok V.T. (Kaharman)	1					7	12
46	R (RMA_)	1					9	11
47	Rakova V.R. (veronika_rakova)	1					6	11
48	Mel'nikov M.N. (soulsmouse1234)	1					6	11
49	Temirkhan Y.Q. (d4rise)	1					6	11
50	Pak (Pro100Max1)	1					8	10
51	familiya I.O. (adshiasdlaskl)	1					7	10
52	Alipov S.A. (alipSTP)	1					5	10
53	Zh A. (john_nash)	2					9	9
54	Morozova P.D. (mat_harp)	2					7	9
55	Val'kovskaya O.A. (valkosha)	1					7	9
56	Kamyzin (yolorino)	1					6	9
57	Romanov (JerseyDevil)	1					6	9
58	Narembekov T. (fountaineww)	1					5	9
59	Kaliuzhnaya E. (Ella07_85)	1					5	9
60	Degovtsov K.A. (brazilian.pdf)	1					5	9
61	Gabdulkhakov (Akfiashch)	2					7	8
62	Myagkova M. (myagkovam)	3					6	8
63	Tischenko V. (vikatish)	1					6	7
64	awdwdadw (alpakkaa)	1					6	7
65	Sembaev D.S. (miragamer29)	1					5	7
66	Saranchin M.S. (torvalds72)	2					4	7
67	Kolenko S.S. (Denitsa)	1					4	7
68	Isakov L.I. (LevIsa228)	1					4	6
69	Sakishov A.Z. (roqua1)	1					4	6
70	Konovalov (JustUty1)	2					3	6
71	Khrupkin V.S. (CordloPerdlo)	1					3	6
72	Bushmanov A.M. (Bushman16)	2					5	5
73	sefasfasf F.A. (fassdfae)	2					5	5
74	Isaeva K.A. (krzlxw)	2					5	5
75	P A.A. (YourPast)	1					5	5
76	Gol'tsov A. (kodzima)	3					4	5
77	Filyushkina K.A. (ksyusha_filyusha1)	1					3	5
78	Fedorov P. (AlbertSpangler)	1					3	5
79	D V.V. (v67ru)	1					3	5
80	Kabayan I.A. (Irina_K.)	3					4	4
81	Dron D.D. (Dron1234)	2					3	4
82	yesbossyn D. (daniyar06)	1					3	4
83	Temiraev G.S. (temir23)	1					3	4
84	Ivachev N.N. (Vulpes_Z)	2					2	4
85	Kushnir S.A. (Wishmaster190281)	1					ban	ban
86	Kyroto1 A. (Kyroto)	1					2	4
87	Rembo D.P. (Rahitos)	3					3	3
88	Dem'yanenko (BASIL_VA)	1					3	3
89	dzhoi -.-. (sashadzhoi1)	1					3	3
90	Komyakov Yu.V. (dreamersleet)	2					2	3
91	Ivanov I.I. (sql_svinger_double_finger)	1					2	3
92	Sobolev (SRD_NN)	1					2	3
93	Z (irzm)	1					2	3
94	Simpson (cypikx2131)	1					2	3
95	Safonov (pupupum)	1					2	3
96	Onnik L. (Load_Onnik)	1					2	3
97	Tarasov N. (SQL_GOAT)	1					2	3
98	Churkin A.S. (Tyomik941119)	4					2	2
99	C A. (Grgecha)	1					2	2
100	Pribluda A.V. (anti-tank_hedgehog)	1					2	2
101	crey M.O. (creyache)	1					2	2
102	Luzin (nikitasyan)	2					1	2
103	NIS I.S. (NISIlya)	2					1	2
104	Korolev R.V. (zouker)	2					1	2
105	Kotik A.Yu. (Nyaxys)	2					ban	ban
106	R. A. (Erayo)	2					1	2
107	Konyahin (strates2)	1					1	2
108	Akulov (ustall)	1					1	2
109	Strukov (StrukovSA)	1					1	2
110	Mel'nik K.V. (karinakios)	1					1	2
111	Savostikova (Master sql_1111)	1					1	2
112	Patsyuk D.S. (dyankk)	1					1	2
113	Es'kova E.S. (Lizaveta113)	1					1	2
114	Bykhova E.D. (bykhova.e.d)	1					1	2
115	Mad'yarov (Ndrix)	1					ban	ban
116	Makarova A. (makkormik187)	1					1	2
117	Odintsov K. (Odintsov)	1					1	2
118	Dzhundubaev (AveRen)	1					1	2
119	black N. (neoblackyeah)	3					1	1
120	Shelest V.V. (ViolettaShelest)	3					1	1
121	Yaroslav D.E. (YarsRS_)	2					1	1
122	Duisenbayev (3UMF)	2					1	1
123	blinova N.D. (anastasiya19)	2					1	1
124	Bair (lootta)	2					1	1
125	Ivanova (molecule-_-)	1					1	1
126	Zhurtov M.Kh. (Muricle1995)	1					1	1
127	Bodnya A.A. (kiryto)	1					1	1
128	kostrov (dialolx)	1					ban	ban
129	Ivanova (ansss)	1					1	1
130	Potapov I. (Inkw)	1					1	1
131	Salikov A. (fc_am1r)	1					1	1
132	Lipin (TugoseryaPuzogitel)	1					1	1
133	Trushnikov M.N. (chajan)	4
134	Kurochkin P.A. (qwrqwr)	3
135	nurbekov D.N. (Nevermind`)	3
136	Sarkis'yan G. (gennadi_s)	3
137	Semenov K. (GUGU_76)	3
138	Odnokurtsev (AlFochino)	3
139	Familiya I.O. (Aura0)	3
140	Samojlov E.P. (test_user_SDET)	3
141	Peshkov T.A. (Timokha_555)	3
142	Vyazovetskov A.S. (alex_v)	2
143	Krasovskij E.A. (pegoopik)	2
144	Vdovin S. (Rujan)	2
145	Birlyukov K.I. (FIDEMaster)	2
146	Andreeva A.A. (annandrrrrrr)	2
147	Gusev A.O. (NowOrNever)	2
148	Ivanov (userTest1)	2
149	Guzeev N.A. (MJK46&2)	2
150	Komov S.M. (Komov S. M.)	2					ban	ban
151	Yushina A.N. (Student63)	2					ban	ban
152	R (aaahzhz)	2					ban	ban
153	Byulbyulov R. (royal_byul)	2
154	Erbolat E.M. (=xX???nikita???Xx=)	2
155	s S.S. (lelouchx)	2
156	Sidorova A.M. (lexx17)	2
157	Cherkasova E. (sentyao1)	2
158	Terent'eva P.N. (Polina999nikol)	2
159	Yusupova E.R. (ellinka)	2
160	mfn vefk E.H. (jvhdvh)	2
161	Ponomarenko E.A. (koplayman)	2
162	Cheranev A. (cher)	1
163	Makarov I.A. (_Bkmz_)	1
164	V (Tenyva)	1
165	Altashin S.V. (burrito)	1
166	Koptel'tsev V. (selber)	1
167	Shilyaev D. (Shil.D)	1
168	Abramov A.S. (Lion0k)	1					ban	ban
169	abs V.S. (veron.en55)	1
170	K A.Yu. (Mad Harper)	1
171	Petrov A.V. (AVPetrov)	1					ban	ban
172	Filippova (verve)	1
173	Vaselendyuk D. (Vaselendyuk)	1
174	Tokado (Richi)	1
175	Hiruga (Nagi_91)	1
176	Vostokova A. (SawneyV)	1					ban	ban
177	Belyj A. (Alex White)	1
178	Pogorelov M. (FH279)	1
179	Boldyrev A. (Boldyrev Aleksej)	1
180	Taszhanov T.K. (Timur_T)	1					ban	ban
181	Ryazanov I. (undead2025)	1
182	Prudaeva N.A. (Pavlova.nat.an)	1
183	Ivanov I.S. (ilyalivelife)	1
184	Kuritsyn V.N. (ValNick)	1
185	Firyulina M.V. (beingpresent)	1
186	Charskaya M.V. (1magine)	1
187	Kolchenko A. (a17307)	1
188	Khakayu A.A. (xekchansky)	1
189	Evseev O.A. (OlegEvs)	1
190	O (janeoosql)	1
191	Metelitsa L. (Lada_M)	1
192	Komarov D. (xkxzz)	1
193	TL A. (avi19)	1
194	Dmitriev A.A. (BAD_BALL)	1
195	Vakhitov (MurikVh)	1
196	Dmitry (lyrrayemvekh)	1
197	Stepanov S.A. (Magvaj)	1
198	Ryan R.R. (Ryan3111)	1
199	R. (Wra1th)	1
200	Lysykh V.K. (Usilitel')	1
201	Timofeev A.T. (BegginerTex)	1
202	Fandieiev O.V. (999Alex1984)	1
203	Vakulko A.V. (VAlexandrV)	1
204	Mal'kov N.S. (Holykoly)	1
205	Mishin (Bloodimirg)	1
206	Intengenova L.N. (loraint111)	1
207	Kolesov S.B. (Kolesov Stepan)	1
208	le S.E. (sedrus)	1
209	Mamuchadze V.D. (Valeria48)	1
210	Sokolova O.V. (Ol'ga2026)	1
211	Lebedev K.V. (Kirill_K3_47B)	1
212	Azanov (kulinarr)	1
213	Eugene (home_head)	1
214	Sergeev I.A. (skorodum)	1
215	Zhidkikh I.A. (Ivan.Zhid197)	1
216	Dana D.D. (danochka128)	1
217	Samokhina A.A. (Ania Nel)	1
218	Ivan (ghosty_an)	1
219	Aleshina V.A. (Bibi_Healer)	1
220	Aurelius (gineus)	1
221	Ustimenko (brat2alek)	1
222	Zinov'ev I.V. (ilyazzzzzz)	1
223	Startsev D. (diman166)	1
224	Shatilov D. (ddaanniill)	1
225	Utkin S.A. (Aethel)	1
226	Gunkin (d_m_q)	1
227	Kruglikova V.E. (star_173)	1
228	ver (remli)	1
229	Alen N.G. (Nurgul')	1
230	Nabidolla D.E. (Dariyanabid)	1
231	G T.T. (ViperXXX)	1
232	Ust'yanova (Sharki4)	1
233	Vasil'chenko (kdr111)	1
234	Yakovleva T.O. (mala zeleni garoschkof')	1
235	Rezenov A.A. (Moratorium)	1
236	Bocharova V.E. (Malvisa)	1
237	asd A.A. (fgh678900)	1
238	Bezhnar A.I. (artikius)	1
239	Kozhash D.B. (mindcapprime)	1
240	Langlits V. (Langlits)	1
241	vm (AlexanderTGreat)	1
242	Ishaq M. (Semaphore)	1
243	tyshchenko A.D. (ebenboben)	1
244	Deryagina V. (Valeria_deryagina)	1
245	Mikanev A.S. (and_meek)	1
246	Podolyan (Rrrrrrram)	1
247	Snitsarev V.P. (Vyacheslav888)	1
248	raikov (dimrai2)	1
249	Lanovyi V.V. (vladooo141515)	1
250	Unregistered	41

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