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September 24, 14:18 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	Sajgakova A.A. (sayanya)	1			2	2
2	Skokov B.S. (leks$$)	1	1	11		1
3	Levin Yu.A. (pdestroyer)	4			1	1
4	Belyaev (BelyaevK)	1			1	1
5	Shrejber A. (tresjudamen)	1					19	31
6	Zhorov (zefir123)	1					15	27
7	Pogosyants (Ivan338)	1					ban	ban
8	Kazhin A.M. (Kazhin A)	1					15	27
9	Myakishev M.N. (iuiui)	1					15	26
10	Orudzhov E.Ya. (Eltun)	1					15	26
11	Bolgova D. (Klyrzx)	1					15	25
12	Tudvasev Vinogradov V.V. (ikonasql812)	1					15	24
13	Bukina (ViToshaB)	1					15	24
14	Nasyrkina E. (eleonnora12)	1					ban	ban
15	Umap J.A. (Janhavi667)	1					15	23
16	Sharov M.K. (mqxshaaa)	2					13	22
17	Bagirov A.Sh. (misha_bagirov221)	3					13	21
18	Bogoslavskij R.S. (anderrated)	1					13	21
19	Sysoeva Yu.A. (Sysoeva)	3					15	20
20	Isagul A.N. (pobedinsky)	3					15	18
21	Borisova (kristikri)	3					15	18
22	Utrobin M.M. (Wwwq)	3					15	18
23	Burahan N.Z. (Nurzhaan_bbb)	2					15	18
24	Kumarkhan N. (Zhalgasik)	2					15	18
25	Kabanov M.A. (Mikhail42787)	2					ban	ban
26	Barej Ya.M. (Jirodenki)	2					15	18
27	Skorbilin V.Yu. (PepegaHS)	1					15	18
28	Borisov I.A. (NORDS)	1					15	18
29	egor E. (egor_banan)	1					11	18
30	Gimazetdinov F.R. (Fargat)	1					ban	ban
31	Pekhota U.S. (ulyapkh)	1					14	17
32	Cherry K. (KyleCherry)	2					10	17
33	Ozerov K.A. (Nxthxn)	1					10	17
34	Khen S.G. (KhenAlexandr001)	1					ban	ban
35	Ishmuratov R.A. (RaILIsH)	1					10	17
36	Nikonova Y.V. (yanik27)	3					9	15
37	Malikaidar D.N. (Darigaaa)	2					11	14
38	Sajlaubaj A.S. (Alikhanchik)	1					11	14
39	Nazarov I.N. (NazVan)	2					ban	ban
40	Kovaleva D. (Kovaleva Dar'ya)	2					8	14
41	Povel'ev (Povelevz)	2					11	12
42	Talipzhan E.B. (KaiLen5566)	1					9	12
43	Dugin D.R. (DYGIDAI)	1					8	12
44	Kozlova A.P. (nesteaeeqq)	1					6	12
45	Yolokhov (fazzone)	1					9	11
46	Sokolkov M.A. (mxzchm)	2					7	11
47	Kanatuly N. (kanatuly)	2					7	11
48	Gerasimov A. (Anarhoskagoth)	3					7	10
49	Istomin M.F. (MichaelIst)	1					7	10
50	Shatrov D.A. (DShatrov)	1					6	10
51	Gallyamov A.I. (Noki4ngel)	3					7	9
52	Gibatova A.Kh. (mango355)	3					7	9
53	Gabdrakhimova E.N. (enye)	2					7	9
54	Knyazhev A.D. (lominos)	2					7	9
55	Podoplelova M. (MarinaPod)	1					7	9
56	Glavatskikh A.N. (nnastya)	1					7	9
57	Ivanov (alexgog)	2					5	8
58	Sheludyakova (ShellSight)	2					4	8
59	Kaminskij (SKY123)	1					4	8
60	Oliver (klavamish)	1					4	8
61	Belyaev I.A. (Igorman231)	1					7	7
62	Usachev A.A. (etot33)	4					6	7
63	Bel'kin T.N. (TimBel)	4					6	7
64	S K. (Baboo87)	1					6	7
65	tsybikova A.D. (aluuxs)	1					6	7
66	Andropov D.V. (Omsh)	1					6	7
67	Pechenkina A.O. (Kote_Chan)	1					5	7
68	Diab J. (Avopawno)	1					5	7
69	Churilov O.E. (HocokTopok)	1					4	7
70	Myal'kin E.A. (invincblemouse)	2					6	6
71	Rudometov K.A. (givemegoyard)	1					6	6
72	N (N43)	2					5	6
73	Hurullina A. (Stels-ya)	1					5	6
74	Dik (Dik777)	1					5	6
75	Kameneva N.P. (NataKam)	3					4	6
76	Biru (vika22121)	1					4	6
77	Pitel' N.L. (NikiMx)	1					4	6
78	Vladimirova Yu.V. (Julia_V_86)	2					5	5
79	Ignat'eva (arinaazaliya)	2					5	5
80	Bulatov (gonzojumper)	1					5	5
81	Borisova (JUBO24)	1					5	5
82	Muradyan P.S. (Answel)	1					3	5
83	Abulov R.M. (Ruslan.Abulov)	3					4	4
84	Nurken N.N. (shagute_kun)	1					4	4
85	Tutarkov A. (barmaley19)	2					3	4
86	Titov D. (ttvdmt33)	1					3	4
87	Bobrov M.A. (Bobrov Mikhail Alekseevich)	1					3	4
88	Alekseeva T.N. (tatidataanalystbaddie)	2					2	4
89	Bayguchukova A.M. (ABayguchukova)	2					2	3
90	linhcoder L.H. (linhcoder)	2					2	3
91	bukalin A.O. (astrology)	1					2	3
92	Krasnov A.A. (Nutr1k)	1					2	3
93	likov (likov)	1					2	3
94	Postonogova P.A. (polyakolyaska)	1					2	3
95	Karimova A.T. (Alisa2462)	1					ban	ban
96	Nikovskii (vios183)	1					2	3
97	Abramenkova (muroni)	1					2	2
98	Sattarova S. (samina010921)	1					2	2
99	Tsyrenzhapova N.A. (nomini)	1					2	2
100	arshidin M.T. (mukaddas)	1					ban	ban
101	Fedorov D.E. (Dimon636632)	1					2	2
102	Shloma K. (Shloma_007)	1					2	2
103	Guryshev (Guryshev)	1					2	2
104	Saranchin M.S. (torvalds72)	2					1	2
105	Ivanova (krxwl)	2					1	2
106	Zhabina I.S. (Irina Zhabina)	2					1	2
107	Badashkin (Vova999)	2					1	2
108	Doroshenko S.A. (OrYSlliu)	2					1	2
109	Arap O. (OXI5)	2					1	2
110	Astakhov S.A. (Snegov11)	1					1	2
111	ArsenalVItek V.V. (ArsenalVItekLOL)	1					1	2
112	Bokova (Evrazh)	1					1	2
113	Komarov D.A. (Daniil Komarov)	1					1	2
114	Zhivotnoe B. (Limonna)	1					1	2
115	Merzlyakova A.S. (alen4ik.a)	1					1	2
116	Krutoi (KentKrutoiBro)	1					1	2
117	Kopylova S.A. (Loshara_ru)	1					1	2
118	Fedorchenko (Aleksei_F)	1					1	2
119	Savchenko K.M. (Sorry123)	1					ban	ban
120	Vaulin V. (Axilka)	3					ban	ban
121	Morgenbliz A. (morgenbliz)	2					1	1
122	Sayfiddinov F. (Sayfiddinov Firdavs)	2					1	1
123	Nefedov (artist1)	2					1	1
124	frazier D.D. (shelovesdelilah)	2					1	1
125	fsfs S.A. (Demitch1234)	2					ban	ban
126	Moiseev A. (Da, a ti ?)	1					1	1
127	Dobrynin (Bot0FF)	1					1	1
128	Akaev (bababeebobo1)	1					ban	ban
129	Saryglar (Daryma)	1					1	1
130	Ivanov D.I. (dimonivanov)	1					1	1
131	Koretskij M.S. (Mariiik)	1					1	1
132	Makhkamov M.B. (Magamomed)	1					1	1
133	Aziz (Shukrullo-hettiera)	1					1	1
134	Khmelev M. (makhmm)	1					ban	ban
135	Demelev (-AlekO-)	1					1	1
136	Nuriddinov S. (Nuriddinov)	4
137	Krupko E.L. (Krupko)	3
138	P I.*. (IrinaPetr)	3
139	Litvinov A.M. (plusDex)	3
140	Hakimov R.I. (sCandal)	2
141	Demidenko A.A. (BorisEltsin)	2
142	Filippova (bogomoleshka)	2
143	Maksimov M. (Dark3mpire)	2
144	Klimenko S.R. (sofiya klimenko)	2
145	Ivanov I.I. (pasta123!@#)	2
146	Sobachkin A.F. (Al_Wolf)	2
147	Lipatova A.V. (nastya228228)	2
148	Sadomtsev A. (Artemucho)	2
149	New R.G. (newLogin)	2
150	Nebol'sin N.A. (Gripenll)	2
151	gerasimov (jdneerui)	2
152	Volobueva V. (lisavol)	2
153	zhenis B. (bekzjan12)	2
154	lu (Yuri_L)	1
155	Koptel'tsev V. (selber)	1
156	Ivanov (markkram)	1					ban	ban
157	Sigankov V.I. (vasilyvanc)	1
158	Prots (AndyBoy)	1
159	Medvedeva (Vasya_Punk)	1
160	Kozhevnikov A.M. (kojew)	1
161	Shatilov V.Y. (Pypsik)	1
162	Popov S.V. (Fierce)	1
163	Garifulla N. (Nurik2003)	1
164	Rediskin D. (NaNight)	1
165	Ognyotova M.V. (go_airam)	1
166	Malikov (Psevdonim312)	1
167	Voevodina (MariaYuto)	1
168	Sheptunov D.Yu. (dima_v_shortah)	1
169	Brown F.-. (wiley67)	1
170	Gladkov E. (Gozmo)	1
171	khayrutdinov D. (6000)	1
172	Gilmanov A.F. (vydii)	1					ban	ban
173	Potemkin (Yazon_79)	1
174	Sarkis'yan G. (gennadi_s)	1
175	Makatova A.E. (Baza_dannyh)	1
176	Gonvharov T. (timurgoncharov)	1
177	Rodin (uoloki)	1
178	Gavrilov (mindset)	1
179	Koptilin I.S. (Il'ya1111)	1
180	Fyodorov A.O. (FedorovArtemiy)	1
181	Namazov M.A. (AsLimbo)	1
182	R. (Wra1th)	1
183	still G. (gerdastill)	1
184	Duisen A.-. (qazyqarta)	1
185	Lysykh V.K. (Usilitel')	1
186	Vishnevskij (paradox00)	1
187	Akameeva S.V. (SVA1)	1
188	Matvejchuk (stasyamate)	1
189	Sentsov (mfw)	1
190	Abramov V. (Ichigo Kurosaki)	1
191	Daragidro D. (Darafd)	1
192	Leshnevskij Z.Yu. (agm96)	1
193	Glavatskikh K.Yu. (ksgl13)	1
194	ew (dassdargsdfafasd)	1
195	Sadretdinov G.Sh. (GalimS)	1
196	Abdr N. (abdr)	1
197	Arshidinova M.T. (AMT)	1					ban	ban
198	angel V. (valolant)	1
199	Ibo K. (Kemchik)	1
200	Bogatyrev N.V. (BNV2873)	1					ban	ban
201	Mikheev V.E. (akaza78)	1
202	Kyroto1 A. (Kyroto)	1
203	Zhargalov M.Zh. (zharmas)	1
204	Ganiyev A. (lernanto)	1
205	Ivanov (tail85)	1
206	Berseneva T.M. (Bersa_3785)	1
207	Shil'chenkov M.A. (msmshilchenkov)	1
208	Pupkin (ChK2026)	1
209	Bocharnikova A.A. (Aleena22)	1
210	Nesterov D.A. (saha909)	1
211	Z A. (panter2)	1
212	Zhuravleva S.K. (Vetechka)	1
213	Shtol'ts (Shtolts)	1
214	Malaf'yov (Kirill_Vorotnikov_2007)	1
215	Kozachek N.S. (@NikolasIoSif)	1
216	Tazhibaev M.B. (MikoMiner)	1					ban	ban
217	Karimov M.M. (marseel)	1
218	Chkalova D.V. (Dar'ya_ch)	1
219	Shalaev O. (Atrotos)	1
220	Mikitey (Hardbinger)	1
221	Mamedov (Timam13)	1
222	Kim D.D. (Mouraie)	1
223	Kuznetsov (ZXCdemon1)	1
224	Mashura (panda2121)	1
225	Faskhutdinov A.A. (sfiler)	1
226	Sh S. (junopark1)	1
227	Gruevich T.S. (MinonToniSopranos1960)	1
228	Shkorba A.A. (SHKORBA95)	1
229	Babushkin D. (Prampampushkin)	1
230	Artem (Just4oneday)	1
231	Krylov I.S. (krylov_ivan)	1
232	Khmelev M. (makhmmm)	1					ban	ban
233	tsyrenova E.E. (qamireggee)	1
234	11 1.1. (12333333gh)	1
235	Nikol N.V. (Niklvn)	1
236	Koko J.P. (penidfsdet)	1
237	Sultan B.K. (Sultann771)	1
238	b (ViktorGFS)	1
239	Usmanov A.A. (Aza1102)	1
240	Old P.K. (Old_Pussy_Killer)	1
241	Krapivina A.N. (Anastasiya&)	1
242	Molokanov A.A. (qwasar)	1
243	Valiullina K.E. (Karina289)	1
244	Fedorov O.V. (Fyodor_Sumkin)	1
245	Sumkina (iguana805)	1
246	Gus V. (minirusty)	1
247	D R. (kocheryzhka)	1
248	Unregistered	33

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