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January 17, 17:56 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	Yastrebov I.V. (Yastrebov)	2			10	11	ban	ban
2	P I.*. (IrinaPetr)	2	1	32		3
3	Gasparyan M. (mmarushan)	1			1	1
4	Irina P.A. (Gnomsi)	1					ban	ban
5	Sadullaev D.?. (lxxst)	2					ban	ban
6	Ostankova T.I. (Ostankova Tanya)	1					15	26
7	Pantyukhov A.A. (DR.Liveseu)	1					13	26
8	Reshetnyak V. (Stonuvv)	1					12	26
9	Trushko J.V. (Joker1231)	2					17	24
10	Kramarenko Yu.D. (posql)	1					ban	ban
11	Osti T.I. (Ostankova Tan)	1					15	24
12	Shabalkina U.V. (Onevilus)	1					15	21
13	Lapin D.I. (Diman0788)	3					15	20
14	Yurkanov A.R. (rarerare)	1					15	19
15	escalonaaaaa (escalon7)	2					15	18
16	Gerasimchuk (bogrsm)	2					15	18
17	Karapetyan (TakesMeAnywhere)	1					14	16
18	Testovyj T.T. (TestikTestovik)	2					9	15
19	Erzhanov E.E. (erzhan1981)	1					10	13
20	Makhov A. (fzpexq)	1					9	12
21	Dumchenko I.S. (Pe3oH)	1					8	12
22	Bondar' E.S. (bondar_es)	3					8	11
23	Belozerova (MyYDuck)	1					8	11
24	Kiselev E.D. (egor_lok1e)	1					8	11
25	Kryuchkova (ViSK)	2					6	10
26	Grebenyuk V.I. (Gvadyuk)	2					7	9
27	Hesenzade (Hasanzade)	1					7	9
28	Kaletvintsev A. (dis_lab)	2					6	9
29	Umnov A.A. (AndoUm)	3					5	9
30	Fomina E.V. (cactus110)	1					5	8
31	Trezlou (Anny Treslow)	1					4	8
32	Dolgopolov Ya.M. (ANNAZBOL)	2					6	7
33	Shirokov M.A. (Dr.Mikhail)	2					6	7
34	Pop Ya.V. (Unqe)	1					6	7
35	Vasenko (wsl*)	1					4	7
36	Nemashkalova (twinkle5016)	1					6	6
37	Rastrygin (PavelRast)	1					4	6
38	Bitsura (toshfm)	1					3	6
39	Talesnikov S.A. (slavatalesnikov1)	2					5	5
40	Patriots P. (EbToday)	2					5	5
41	Nikiforov (noenter)	2					5	5
42	qwifcdfd (sadhjkasdjk)	2					5	5
43	wraith W.G. (xdcxxxxcx)	2					5	5
44	Timshin N.E. (extaazza)	2					5	5
45	Evstratov M.I. (Wadfer)	2					5	5
46	Timoshenko M.O. (Max_Good)	2					5	5
47	Sergeev S.S. (Vostokk)	1					5	5
48	Laptev V.A. (Arnol'd Shvartsnegger)	1					5	5
49	Malakhov (dimmal)	1					4	5
50	Mar'yasova V.Yu. (NikaMaryasova)	1					4	5
51	Kirienko (fransuaza)	2					3	5
52	Dron D.D. (Dron1234)	1					3	5
53	Pantyushin D. (Kaz_Horn)	1					3	5
54	Sadullaev U.S. (umidd)	2					ban	ban
55	defcan (defdef)	1					4	4
56	Chekina (mishkaTanya)	1					4	4
57	Il'ina A.S. (qxqx)	2					2	4
58	Luzina (KrisL12)	2					2	4
59	Ganeev R.V. (Ravil-1989)	1					2	4
60	EFIMOV E. (EFIMOV_EDITS_PRIME)	1					2	4
61	Livshits (@Valeriy)	3					1	4
62	Teteryatnik A.D. (Nastya0903)	1					3	3
63	Kolmogorova (NadK)	2					2	3
64	Zhujkov A.L. (Cfyzik64)	2					2	3
65	Gordienko (G0rD)	2					2	3
66	Gorenkov (Spiral Knight)	2					2	3
67	Bolotnikova D.Yu. (Bolotnikova1240)	2					2	3
68	Memasov N.A. (Clarke)	1					2	3
69	Kachanov K.V. (kach06)	2					2	2
70	Churkina E.V. (Lizo)	2					2	2
71	Klochkov V.V. (11OzoN11)	1					2	2
72	fdgsg D.F. (didsgosvd)	1					2	2
73	Sarkis'yan G. (gennadi_s)	2					1	2
74	Akhmatnabieva A.R. (Aismua)	2					1	2
75	Belyak (TheTester)	2					1	2
76	Kun D.M. (salomorja)	2					1	2
77	Yava C. (CAVAYAVA)	2					1	2
78	tchistikova.olha T.T. (tchistikova.olha)	2					1	2
79	Krasovskij E.A. (pegoopik)	1					1	2
80	Petrov Y. (YuriPetrov)	1					1	2
81	Kolomin A. (valanchik)	1					ban	ban
82	Shagabieva A.A. (Delyasha)	1					1	2
83	Mityukov E.D. (hezky)	1					1	2
84	Vishnevskij D. (R@ZOR)	1					1	2
85	Irbakhtina A. (anyutkaSQL)	1					1	2
86	Vedmedeva M.V. (VupsPups)	1					1	2
87	Toast (JeremyUnknowny)	1					1	2
88	Shirshova E.A. (shishka8k)	1					1	2
89	Aleshkevich I. (mbami)	1					1	2
90	Burkov I.A. (vanushkinss)	3					1	1
91	Ershova V.V. (vera1507)	2					1	1
92	larchenko (chantis_dubois)	2					1	1
93	grinevich (p011na)	2					1	1
94	Morozov A.I. (AlexeyMor)	2					1	1
95	Kolesnikova T.G. (tatonka)	1					1	1
96	Dyuzhikov A.I. (Dyuzhikov A.)	1					1	1
97	Maratov O. (spoer)	1					ban	ban
98	Gulyaev N.I. (Nekit44)	1					1	1
99	Sidorenko G.M. (Cody1994)	1					1	1
100	Mamuchadze V.D. (Valeria48)	1					1	1
101	Dudusov (WayDen)	1					1	1
102	Proks (DariaProks)	1					1	1
103	Fajzullina I. (Carm163)	1					1	1
104	Yudin E.V. (egork@)	1					1	1
105	Tselischev M.D. (Tselishchev.ppk)	1					1	1
106	ryemint (rye mint)	1					1	1
107	Zamotajlo A.A. (Zamelo)	3
108	Koptel'tsev V. (selber)	2
109	Makarov D. (Dmitriy Makarov)	2
110	Tolstoj (feider)	2
111	Artykbaev T.P. (artykbaevtimur)	2
112	AI (ML777)	2					ban	ban
113	Dem'yanovich Yu.A. (Diline)	2
114	Komov S.M. (Komov S. M.)	2					ban	ban
115	Zolotarev (Yura Zolotarev)	2
116	Sidorov A.A. (AleksandrSynPM)	2					ban	ban
117	Petukhov D. (DmitryData)	2
118	Ilya I.I. (Ilya_123)	2
119	le S.E. (sedrus)	2
120	Gordeeva (Lera_zzz/)	2
121	Savvateev (YanarCL)	2
122	Vershinin G.S. (Uhbujhbq)	2
123	Potapova A.A. (itwabi)	2
124	R (aaahzhz)	2
125	Chetverikov D.A. (zzwwaann)	2
126	Gryaznov A.V. (BeetrootRage62)	2
127	Vostrikova Yu.O. (VostrikYulia)	2
128	Kozhurkin D.N. (Cofnar)	2
129	Nafikova O.G. (OlesyaN)	2
130	Topilina E. (Elena-taom)	2
131	Pupkin (Kikimora)	1
132	Ardashov V.A. (Ardashov)	1
133	Keeper (Dvmn66)	1
134	Novosel'skij A. (LeonPRO)	1
135	Vinogradova S.M. (Tigra1)	1
136	Denisov M.A. (MatDen)	1
137	Mazurov V.A. (Kiot)	1
138	Ivanov (Leroy555)	1
139	Rebrov E.A. (euuggenni)	1
140	111 A.A. (36313234)	1
141	Lakalov D. (Meilleur_NG)	1
142	Rychkov A.V. (Kuku-jmun)	1
143	Lidzhiev B. (BasanLidzhiev)	1
144	Ivanov D. (iGnater)	1
145	Sapegina E.A. (Letiana)	1
146	Chebotarev M.V. (SmallOwlExtra)	1
147	Mukambetov A.A. (azamukambetov)	1
148	Kramarenko Yu.D. (kramarec)	1					ban	ban
149	Malikov R.M. (shtiglits)	1
150	Vdovin S. (Rujan)	1
151	Kopchev V. (aefrt)	1
152	Kochetkov D. (DeBe)	1
153	Ryabykin M.V. (Mikhail1704)	1					ban	ban
154	Betin A.V. (betin.orig)	1
155	TRKOVSKIY D. (David4)	1
156	Boyarov A.A. (boyasha)	1
157	sdad D.W. (kotikaster)	1					ban	ban
158	Chistikova O.V. (Liolika2001)	1
159	Bazargarmaev A.Ch. (Amurchick)	1
160	Vakhitov (MurikVh)	1
161	Kushnir S.A. (Wishmaster190281)	1					ban	ban
162	Emelin A.M. (L)ser)	1
163	Kolesnik A.A. (Andrey_1239)	1
164	Mar'yasov A.A. (Mar'yas)	1
165	Alex A.A. (alexalex68t)	1					ban	ban
166	Odegov A.I. (KovroLitik)	1
167	R. (Wra1th)	1
168	Lukin D.A. (Kayn)	1
169	Dmitrij S.A. (Drowww)	1
170	shu (kirshumir)	1
171	Peter (Peter01)	1
172	Zhiryakov V.V. (vladvladzero)	1
173	Fokeeva M.V. (M-6)	1
174	Tsyganok D.A. (Danila2004)	1
175	Avr E.N. (EgAvr)	1
176	Vinogradova E. (-Helen-)	1					ban	ban
177	Mongush O.A. (mAyas)	1
178	Pan E.P. (katyapansql)	1
179	tagiyeva N.G. (umaynurten)	1					ban	ban
180	Kashintsev (certtone)	1					ban	ban
181	Valeev M.A. (k3tchupzxc)	1
182	Sergej (Che_Sergey)	1
183	Goryachkin M.A. (Matvey99)	1
184	1337 (adkt)	1
185	Levachou Y. (levachou)	1
186	Abramchuk S.V. (Serg_13)	1
187	Li P. (lubluchai)	1
188	Elmurzaev D.A. (denichech1)	1
189	Yalcin E. (Lily58)	1
190	Kuznetsov A. (fxfxfx)	1
191	Ekhlakov I. (pomidor2525)	1
192	Barybina A.R. (asyabaryb)	1
193	Gerasimova (Taisiya_ya)	1
194	Surovtsov E.A. (iamk9)	1
195	Barmin I.A. (ilyatto)	1
196	Berdyshev I.M. (MarlenBers)	1
197	Ruslanov (saimond)	1
198	Kolpaschikova (ruflufy)	1
199	Zajtsev D.G. (D3F4ULT010)	1
200	Zielonka (BeeTrain55)	1
201	Kartovets S.A. (Palapopulus)	1
202	Umarova I.O. (umarovairina)	1
203	Muradyan A.A. (Interesator)	1
204	lpytr (Magadan22)	1
205	till (santasotona)	1
206	Baderko M.R. (Mihial_B)	1
207	cerd H.J. (baty)	1
208	Komarova V.A. (vera12345678)	1
209	Makarov N.A. (neRYDZYA)	1
210	Bydantsev A.V. (Nova10)	1
211	Korchyomkin D.A. (fowpz)	1
212	Kashin A.D. (Alkashh)	1
213	eun O.S. (senny2)	1
214	Legkova A.O. (albebex)	1
215	zalupenko (gnoynyy)	1
216	Unregistered	41

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