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May 20, 13:55 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	Zubov D.Z. (Dmitrij84)	4	1	24	3	8
2	Safronov P.A. (Paulus73)	1	2	109		5
3	Gorbunov M.S. (gms)	1			3	4
4	Odnokurtsev (AlFochino)	1	1	107		2
5	Akhmadeeva A.M. (ais14)	1			1	1	2	2
6	Krass M.L. (Marcus Licinius Crassus)	1			1	1
7	Shangareev (esh11)	2					24	33
8	Mineev N.A. (pht150)	1					15	27
9	Murzabekov M.Kh. (Magich)	2					ban	ban
10	Agansonov R.R. (brokekid)	1					15	23
11	Familiya I.M. (qiwih)	1					15	21
12	Duschenko A.S. (ArtArd)	1					15	21
13	Baranikov A.D. (Retusha)	1					10	20
14	Paroev (dontmiss)	1					15	18
15	Popovich N.S. (Popovich Nikita)	1					10	14
16	Lebedev M. (cplusplus)	1					8	14
17	Oten Y. (CORTEZZ)	1					10	13
18	Koloskov P.Yu. (pvkolos_)	1					8	13
19	Argentov A.S. (argentov_asGB)	1					9	12
20	Abaimov A.V. (Artenn)	1					8	12
21	Detskaya A. (detskaya)	2					9	11
22	Vittman M. (DarkWatcher)	1					6	10
23	Telkova A.D. (Anna Telkova)	1					7	9
24	Morozov G.A. (Morozz2222)	2					6	9
25	Ber K.V. (sbg_titanig)	1					ban	ban
26	Kostenko D.A. (Diana :P)	1					5	9
27	Vasil'ev (GudiniMoonlight)	2					5	8
28	Kazitskij (ewgwfwefgvwe)	1					ban	ban
29	Moldakynov A.A. (Nomad444)	1					5	8
30	Katashevskij (YaUstalPridumyvat'Nik)	1					ban	ban
31	Khafizov (murov_ed)	1					4	8
32	Gus'kov V.M. (Vl4ditor)	1					6	7
33	Voterk'yu (voterque1)	1					6	7
34	Gusev A. (EretiX_x)	1					6	7
35	Kabanov (Lloris)	1					6	7
36	diaz D.D. (dizakoff)	2					5	7
37	Romanchenko K.A. (Krissttii)	1					4	7
38	Karetnikov A.L. (alex1black)	1					4	7
39	Revenko M.A. (CptDisturbed)	1					ban	ban
40	Mikhalenya M.V. (guccimain2288)	2					3	6
41	Soboleva I.Yu. (Matreshka_)	1					3	6
42	DanvFox12 D.F. (DanvFox)	2					5	5
43	Sorokin A. (Efferveo)	1					5	5
44	Sergeev (barmaglot1)	1					5	5
45	Belikov (VBS_)	1					4	5
46	kfafka K.T. (Dan_25151)	1					ban	ban
47	Zmievskii (Kogan Shuko)	1					3	5
48	nikulina N. (mayfau)	1					3	5
49	Butenko D. (Sipuha89)	1					4	4
50	Aligerskij S.N. (Aligerskiy)	1					4	4
51	yanchuk (son11022024)	2					3	4
52	unknown (zmogus)	2					3	4
53	Komyakov Yu.V. (dreamersleet)	2					2	4
54	Edgeeva Ts.B. (tsaga)	1					2	4
55	Koverdin K.D. (koverdin)	1					2	4
56	Kulikov A.Yu. (Ondrata)	1					2	4
57	dufivara (d.ufivara)	1					ban	ban
58	Khloptsev A.V. (ANkaRTik)	1					2	4
59	Ganiyev A. (lernanto)	1					2	4
60	yuyuyu V.N. (vladdossik)	1					2	4
61	Novikova O.A. (Olga.novi)	1					3	3
62	Goryachev A.A. (selectra_991)	1					3	3
63	Sokolov E. (jabbyxatta)	2					2	3
64	Kuchkin I.V. (Keyblast)	1					2	3
65	tsoy (hznikdima123)	1					2	3
66	Alekseev A.S. (Andser)	1					1	3
67	Ivanov M.A. (maks_ivanov)	1					ban	ban
68	Shejko S. (SvetaShh)	1					2	2
69	Marar A.S. (16_capybara_02)	2					1	2
70	Velichenkov D.A. (Galotane)	2					ban	ban
71	Gordeeva A.V. (_gordav_)	1					1	2
72	Stepanov (LexFrom)	1					1	2
73	Batashova S. (sbatashova)	1					1	2
74	Kekov N.M. (EtaKto)	1					1	2
75	Shablinskiy M. (puqupu)	1					1	2
76	Chalykh (ocush)	1					1	2
77	el (elili)	1					1	2
78	Shinkevich I.V. (aivan96)	1					1	2
79	Rinn I. (HoneyRinn)	1					1	2
80	QWEQWE Q.Q. (GATS322)	2					1	1
81	Bystrov F. (FEDORBYST3445)	2					1	1
82	Khatit M.Yu. (pvtmarat)	2					1	1
83	Gladilova (funkycurmudgeon)	1					1	1
84	Vereschagina Yu.M. (Yuliya1915)	1					1	1
85	Litvinov E.M. (Dehaka)	1					1	1
86	Efremov (ChakaChaka)	1					1	1
87	Sedra D. (Sudrain)	1					1	1
88	Popopo (ASergeev111)	1					1	1
89	Sivolozskii (kirill_szz)	1					1	1
90	Grakova (grakovka)	1					1	1
91	Lebedev E.A. (hardbit)	1					1	1
92	Al'bekov (lk pod ov)	1					1	1
93	Medyntseva M.E. (ManunaMed)	1					1	1
94	Knyaz'kov (Rupreht777)	1					1	1
95	Pavlov T.S. (Timofey3011)	1					1	1
96	Borisov K. (kirillborisov02)	4					ban	ban
97	Talypova M.R. (yaroslavskaya)	4					ban	ban
98	Vyazovetskov A.S. (alex_v)	3
99	Komov S.M. (Komov S. M.)	3
100	Huseyn A. (AminHuseyn)	3
101	Danilov R.M. (ramzes_1999)	3
102	Kurochkin P.A. (qwrqwr)	2
103	Koptel'tsev V. (selber)	2
104	Popov V.V. (zark)	2					ban	ban
105	Ershov I. (qzva)	2
106	Sarkis'yan G. (gennadi_s)	2
107	Puchkov I.D. (mentalbiba)	2
108	Spitsyn D.N. (denb322)	2
109	Khanipov R. (gotlib_bbb)	2
110	Krechetov D.V. (Rugby)	2
111	Krichfalushi A.V. (krichh)	2
112	Pyalova (Gortenziya)	2
113	nedelko M. (1234567891011)	2
114	Fomina A.A. (dsfoaeojrigaee)	2
115	Makarov I.A. (_Bkmz_)	1
116	Fimin (icprog)	1
117	Krasovskij E.A. (pegoopik)	1
118	Petrov (Steamboat)	1
119	Nikonov A.A. (Proxima)	1
120	Ghitinomagomedov (gmansur88)	1
121	Makar M. (Sphinks)	1
122	Baturin A.A. (Andre1994)	1
123	Zajtsev S.I. (SergeyZaytsev)	1
124	Smith (tibacityblues)	1
125	Bykov K.V. (darkydashie)	1
126	Nikol'skij I.Yu. (igoryun)	1
127	Gadzhiev Z.R. (eatmewhileiamhot)	1
128	Yugaj A.O. (sguard34)	1
129	Daukishov (vvega)	1
130	lin A.B. (swpetra)	1
131	Gorodetskij E.V. (SoMuchIsLost)	1
132	Buerina (nekrevet)	1
133	Chibisov S. (ss_chibisov)	1
134	Rodina D.P. (peachnberry)	1
135	ivanov (Aleksandr4994)	1					ban	ban
136	bitwise N. (bitwise)	1
137	Shikov V. (Viktor_TG)	1
138	Aro E.F. (Ekaterina Araud)	1					ban	ban
139	Najik (Najik7)	1
140	Strunnikova K.E. (WasabiFox)	1					ban	ban
141	Ivanova (molecule-_-)	1
142	Gorbachev S.S. (GorbachevSS)	1
143	Popov D. (linklib.web)	1
144	Efremov A.V. (DonEfrem)	1
145	P I.*. (IrinaPetr)	1
146	Kanatova L.E. (LILIKANLC)	1
147	Ivanchenko Yu.V. (Burukhtan22)	1
148	R. (Wra1th)	1
149	Ivanov I.I. (Gfreegod)	1
150	Ivashkina E.A. (evgnalex11)	1
151	Skibin V.V. (SQL_vvs)	1
152	Lysykh V.K. (Usilitel')	1
153	Nurtai (Nurtai95)	1
154	Bogdanov (xsnodelol)	1
155	Kuksenko D.S. (darakuno)	1
156	Kotel'nikov A.S. (sketrup)	1
157	Alekseev M. (unblessed)	1
158	Tolstik D.N. (DiNiKiN_II)	1
159	Chubukova E.S. (ellefteria)	1					ban	ban
160	Molchanov N. (lusmxxx)	1
161	Ruslanov (saimond)	1
162	Moiseeva P.S. (polinkafuture1)	1
163	Shevtsov K. (KonstantinXL)	1
164	Chernov V. (ElviSoK)	1
165	Zakharov (Ave_Asuka)	1
166	Q (ala4ste)	1					ban	ban
167	Slugin E.E. (rawelaw)	1
168	Bezuglova M.G. (Mariya Bezuglova 2.6)	1
169	Es'kova E.S. (Lizaveta113)	1					ban	ban
170	Shvetsov D.Sh. (DanechekSw)	1					ban	ban
171	Shelepov (focusme93)	1
172	Mad'yarov (Ndrix)	1					ban	ban
173	Sivakova (anna666)	1					ban	ban
174	Danil'chenko I.V. (@InnDani666)	1
175	Merzlyakov (merzlik)	1
176	Matyuhanov D.A. (Lineagi4)	1
177	Avetisova A.A. (Linchik)	1
178	Ignatova L.A. (ElladaL)	1
179	Voronova T. (Selena87)	1
180	muslimov (akiraw)	1
181	Usin M.-. (masino)	1
182	Smirnov A. (Antoxa_S)	1
183	Kish (Zhkish)	1
184	Kto-to (9ITeb9IHaudy)	1					ban	ban
185	Fillippov D. (Kelluke)	1
186	Surenskij E.E. (CypokSQL)	1
187	Vranov (arFost)	1
188	Staftsev E.A. (Jeguarko)	1
189	Turichenko I.A. (theror)	1
190	Anokhina O.V. (OxyAn)	1
191	Urbagaev E.D. (UEvgen)	1
192	Lagutenko A.A. (lag.aa)	1
193	d D.D. (poiufkerkgwk)	1
194	Sinyukin I.V. (IGOR-Y)	1
195	Astashov A.A. (v4mpyre)	1
196	Martem'yanov N.V. (MelnageR)	1
197	Lavrov S.*. (LavrovSQL)	1
198	Unregistered	155

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