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April 24, 14:21 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	Zotova (AngZ)	1			4	8
2	avanov (arsen111)	2			5	5	12	15
3	Batuev (Batuev S.E.)	2			5	5	12	15
4	Ivanov (Alexey67)	2			5	5	12	15
5	Myakotina V.I. (VikToriaVM1)	2			5	5	12	15
6	Koptel'tsev V. (selber)	1	1	212		3
7	Skokov B.S. (leks$$)	1	1	24		2
8	Nesov (STH80)	2			1	2
9	Oganesyan T.V. (gdemoyabookmark)	1			1	2	ban	ban
10	Gusev A.O. (NowOrNever)	2			1	1
11	Zaitseva O. (Olga.Z)	1					15	26
12	K O. (John Sheppard)	2					15	20
13	Kalinin M.R. (Max_97)	1					11	19
14	Temirkhan Y.Q. (d4rise)	1					15	18
15	Vasilyov A.A. (quiry)	1					11	18
16	Dulatov (emrworld)	1					10	18
17	R (aaahzhz)	1					ban	ban
18	Surname (miron28)	1					13	16
19	Romanova K.M. (kir_kat)	1					ban	ban
20	Krasheninnikova Yu.S. (Juli Krush)	1					15	15
21	Ivanov (valerza)	2					13	15
22	Ikanin D.S. (popakaka)	1					13	15
23	D V. (writqq)	1					11	14
24	Seleznev (korben_dalas)	1					7	13
25	Zhekebaev A. (AdolfZ)	1					7	12
26	Kamyzin (yolorino)	1					6	10
27	Medvedeva Z.M. (medvedevazl)	1					6	10
28	Kartushina Yu.S. (yulia_Stav)	1					7	9
29	1 1.1. (TanciCBubnom)	1					6	9
30	Pupidzenator (NGoodmanidze)	1					6	9
31	Korolev M.M. (cmbbtw)	1					8	8
32	Nikonov (Enevir)	1					7	8
33	osipov (eosipov)	1					7	8
34	Erykalin (IJAKIBS)	3					ban	ban
35	SHMA S.S. (ajr794)	1					5	8
36	Buzmakov M.A. (mbuz43)	1					5	8
37	Usmanova P.F. (Vinka1909)	1					6	7
38	ver (remli)	1					6	7
39	Konovalov (JustUty1)	1					5	7
40	Ferman A.F. (FFFAAA)	1					5	7
41	Vlad V.V. (Bleckeid)	1					4	7
42	Kekov N.M. (EtaKto)	2					6	6
43	Kolmakov A.V. (artyomk)	1					4	6
44	Khaziev (jiesoryb)	1					4	6
45	Tolstykh D.S. (saltykovadara)	1					4	6
46	Ivanov (Ivanov1990)	1					5	5
47	Bro (NBR)	1					5	5
48	Potapov I. (Inkw)	1					5	5
49	Bovikov B.S. (LVII)	1					5	5
50	Ognevich E.A. (Good_man)	2					4	5
51	Batashova S. (sbatashova)	1					3	5
52	Kostylev (bobirechek)	1					3	5
53	mihail M.M. (mihail188)	1					3	5
54	Desyatkov A.A. (Devastated666)	1					3	4
55	Slipko D.I. (Sketatel)	1					2	4
56	Martynenko A.V. (Laditops)	1					2	4
57	Bodnya A.A. (kiryto)	1					2	4
58	Katerenchuk I.P. (fedya1)	2					3	3
59	Alejnikov D.N. (gomelchanin123)	1					3	3
60	Brikez A.A. (a.brikez)	1					3	3
61	Nah (leavemealonenah)	2					ban	ban
62	Musaelyan A.M. (aristokrat29)	2					2	3
63	squirrel (squir_el)	2					2	3
64	kfafka K.T. (Dan_25151)	1					2	3
65	Shibaev (saah)	3					2	2
66	Teterin R.V. (virast)	2					2	2
67	Romanov (JerseyDevil)	2					2	2
68	smith (eng MN)	1					ban	ban
69	Safonov (pupupum)	1					2	2
70	Komyakov Yu.V. (dreamersleet)	2					1	2
71	Kotik A.Yu. (Nyaxys)	2					ban	ban
72	Zolina (nyvmicha)	2					1	2
73	Soboleva I.Yu. (Matreshka_)	2					1	2
74	Bakshaeva E.A. (Feo16)	1					1	2
75	Shajga I. (idontknowsqlsorry)	1					1	2
76	Shuklin E.A. (ydreamin)	1					1	2
77	Yan'shin M.E. (kugaKuru)	1					1	2
78	Tulaikin V. (tulaikinv)	1					1	2
79	Kislyuk M.M. (mel256)	1					1	2
80	Stepanenko V. (veronikastep)	1					1	2
81	Polyakova (plerushka)	1					1	2
82	Mad'yarov (Ndrix)	1					1	2
83	Klyavlina V.S. (mc_flurrry)	1					1	2
84	Rzaev (tgrnk)	1					1	2
85	Nikita S.D. (Nickname2005)	1					1	2
86	Bocharova V.E. (Malvisa)	2					1	1
87	Lyamtseva (lumtses)	2					1	1
88	Varakin I.R. (19Vanya99)	1					ban	ban
89	Larionova A.A. (1AnnLar1)	1					1	1
90	Galeev (TryToFindAwork6thYear)	1					1	1
91	Kaliuzhnaya E. (Ella07_85)	1					1	1
92	Shvetsov D.Sh. (DanechekSw)	1					ban	ban
93	Korshikov (Ilkorich)	1					1	1
94	Golub B.A. (micros34567)	1					1	1
95	Kochnova O. (OlgaKochnova)	1					1	1
96	Shabrova N.Yu. (nadyusha)	1					1	1
97	Odintsov I.A. (PlayFulBear1337)	4
98	Polyakov V.M. (rock_4)	2
99	Afanas'ev V.A. (AVA_13)	2
100	Alekseev A.S. (Andser)	2
101	M (DanilM2304)	2
102	Sudarev A.P. (Sudarev_1)	2
103	Krivov D.L. (Dietrich Mannski)	2
104	Trushnikov M.N. (chajan)	2
105	Serdyuchenko E.Yu. (eserdyuchenko)	2
106	Sharapa A.V (LX26)	2
107	Bryntsev E. (mnkmnk)	2
108	Sulemenova A.Zh. (Dobry_123456)	2
109	Vorontsov O.V. (Last_PreTender1)	1
110	Vyazovetskov A.S. (alex_v)	1
111	Kurochkin P.A. (qwrqwr)	1
112	lyubin I. (igor.lyubin)	1
113	Ssss (Finderrr)	1
114	Egorova A.A. (Anastuca)	1
115	Gorbunov M.S. (gms)	1
116	Filippova (verve)	1
117	Danyushin M. (GonLimon)	1
118	Petrov N.V. (Nick21)	1
119	Mikhajlova (ravenraven)	1
120	Popov S.V. (Fierce)	1
121	Vasina V.S. (Leksa)	1
122	Kobak F.A. (DranikfHello)	1
123	abakumova S.I. (abaqmova)	1
124	Galik I.V. (barmgalot_kz)	1					ban	ban
125	Malina M. (mashamolly)	1
126	Kononenko A.R. (babayka15)	1
127	Firyulina M.V. (beingpresent)	1
128	Efimenko A.M. (Oknemifea)	1
129	Kosareva (Olga_Kosareva)	1
130	Nasybullin R.E. (ravil32)	1
131	Chirkov K.I. (Kirillion)	1
132	Shikov V. (Viktor_TG)	1
133	Ivanov (Solv1991)	1
134	Metelitsa L. (Lada_M)	1
135	Pasechnik R.R. (PRR)	1
136	Etobaeva A.A. (ahmed3000)	1					ban	ban
137	S S. (sankasu)	1
138	Potemkin (Yazon_79)	1
139	Zhurenko (RussianIvan)	1
140	fioletovaya (fioletovaya2)	1
141	Nigmanova M. (EvilWerner)	1
142	Sarkis'yan G. (gennadi_s)	1
143	Semenov K. (GUGU_76)	1
144	Aniskovich E. (evgeniyaniskovich)	1
145	Kal'yanov A.V. (alex_kalianov)	1
146	P I.*. (IrinaPetr)	1
147	Kulik A.L. (kulika)	1
148	R. (Wra1th)	1
149	Cherednichenko A. (AlexCHer_8)	1					ban	ban
150	Mel'nik K.V. (karinakios)	1
151	Stepanov (LexFrom)	1
152	black N. (neoblackyeah)	1
153	Cheprasov A.A. (andruwa_01)	1
154	Islom M. (fr0stman)	1					ban	ban
155	Golenchukov N.A. (kolya_gln)	1
156	Komov S.M. (Komov S. M.)	1					ban	ban
157	Alek (litvin001)	1
158	Gladkov (Anglad)	1
159	Skibin V.V. (SQL_vvs)	1
160	Potapova V.A. (malespero)	1					ban	ban
161	Lysykh V.K. (Usilitel')	1
162	Kolesnikov S.O. (bulbasaurus)	1
163	Petrischeva O.V. (aly_ol17)	1
164	Bovyrina K.Yu. (O.K.Burda)	1
165	Grabko (InsightPilot)	1
166	Ospanova (amazing_2007)	1
167	Truman Yu.Yu. (rutena)	1
168	Efremov (ChakaChaka)	1
169	Odnokurtsev (AlFochino)	1
170	Rembo D.P. (Rahitos)	1
171	Pyatkova Yu.V. (Yuksik)	1
172	Tokarev D.S. (dESYa)	1
173	Katalonets A.N. (Catalonec)	1
174	Mart (Zenward)	1
175	Akhmetov (ruslan1337)	1
176	Savostikova (Master sql_1111)	1
177	Abdullina G.A. (Fleshka)	1
178	Konratov S.K. (Sagyntay)	1
179	Azanov (kulinarr)	1
180	Kovalev A.A. (godota)	1
181	Kobyakova D.A. (DiDi000)	1
182	Bogatyrev N.V. (BNV2873)	1					ban	ban
183	Taranets A.A. (AnaStar)	1
184	Utkin S.A. (Aethel)	1
185	Komarov V.A. (Yurto)	1
186	Soryu A.L. (RemiliaScarlet3)	1
187	Ryukhin S.A. (Daster1)	1
188	Dzhimbetova Yu.S. (SpurgisJuliia)	1
189	Ondracek (CodeWithPetr)	1
190	Leschinskaya A.A. (lleschinskaya)	1
191	Tukeshev U.K. (Ulan Tukeshev)	1
192	Morozova A.E. (Solnce94)	1
193	Cherkasova E. (sentyao1)	1
194	Swartz A.A. (arnold265)	1
195	Pribluda A.V. (anti-tank_hedgehog)	1
196	Rezenov A.A. (Moratorium)	1
197	belov A.A. (asrghbdvcxsertyujkmnbgftr)	1
198	Sh. K.A. (Sholom123)	1
199	Fer (L_L_L)	1
200	Sovetov R. (hiropu)	1
201	Mikhajlov P. (garlend)	1
202	Kok A. (Eccentrix)	1					ban	ban
203	Dmitriev D.I. (skyforce0)	1
204	Gol'tsov A. (kodzima)	1
205	Zvereva O. (Mulan)	1
206	Danilyuk T.V. (Desertroce)	1
207	Vasilij P. (hru)	1
208	Belousov T.T. (truephasm)	1
209	Ivanov I.I. (artyr_artyr)	1
210	Milyaeva K. (MadamSengo)	1
211	B S. (bstan)	1
212	Ponomarev N.I. (Nutus)	1
213	Unregistered	20

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