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November 16, 16:10 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	Strel'chenko A.V. (saphirion)	1	5	63		10
2	Lazarev S.A. (In_Spire)	2			8	9	4	5
3	mohammad (mohammadrezapro3h)	1			2	2	15	18
4	Ryasn (Nekit125)	1			2	2	2	2
5	Shporin S.V. (sergei148)	1			2	2
6	Gotal'skij (IvanGot)	1			1	1
7	Krivtsov R.R. (Krivtcov)	1					ban	ban
8	tarakanov M.D. (starrage)	1					15	26
9	Mamedov B.A. (Burhan12)	1					ban	ban
10	Mikhajlov (fysooome)	1					15	25
11	Avdeev M.V. (Maxim_Avdeev)	1					ban	ban
12	Takhm A.G. (TaktakTaktak1)	1					ban	ban
13	Makhmadnazarov E.A. (Eradz1)	1					ban	ban
14	Makhov Yu.A. (Rud41)	1					15	24
15	Yanov (qwegul)	1					15	24
16	Pirozhkov (Pirozhnichkov A.)	1					14	24
17	Lychagin M.R. (RaMz1s)	1					ban	ban
18	Sukhotin A. (Artem_77)	1					ban	ban
19	Prezhennikova I. (Inessics)	2					16	20
20	Sal'nikova M.Yu. (mar1na7)	3					12	19
21	Shnipov A.A. (Tony_Kapuchi)	1					12	17
22	Turdiev U.M. (uluk_249)	1					ban	ban
23	kikiki (Swew)	1					12	16
24	Merkulov A.D. (ParabellumKS)	1					11	15
25	Odnokurtsev (AlFochino)	3					9	15
26	Bobrov D.V. (DovaAVI)	1					ban	ban
27	Kormilin A.A. (Aleksandr Kormilin)	1					9	14
28	Romanov R.R. (bubilda1234)	1					8	14
29	Volchek D.S. (DeN4iG23)	1					10	13
30	Kashina Ya.V. (Yaroshka)	2					7	11
31	Polimonov I.A. (IvanPolimonov)	1					8	10
32	Idrissov Y.A. (Kosharik_545)	1					6	10
33	Birbin S.Yu. (Stasevich)	1					6	10
34	hitev E. (e_hitev)	2					6	9
35	Dumenkov M.A. (maxodum)	1					6	9
36	Bobretsov V.A. (Sups312)	1					5	9
37	Kuleshova I.A. (KIra06)	1					5	9
38	Artem'ev I.D. (TH3YTeLLM3)	1					5	9
39	Chernova P.E. (wrtpoh)	1					5	9
40	Shestakov E.D. (wnwnkm3)	1					5	9
41	Vukolov A. (al.vuk)	2					3	9
42	Arkhipova A.V. (Rishaoa)	1					7	8
43	tigerleopard (ttigerleopard)	1					5	8
44	Galkin A. (agm10)	3					4	8
45	Aleksashkin S.A. (Algerdavich)	1					6	7
46	Verevkin A.V. (Anndrreyy)	1					5	7
47	Stepina A.K. (rekowa)	1					5	7
48	Logutov D.Yu. (Logutov Danil)	1					5	7
49	Rots (myrtyx))	1					4	7
50	Safronov P.A. (Paulus73)	1					4	7
51	Mironov O. (Psychotronic)	1					6	6
52	Egorenko A.I. (Zvezdica)	1					4	6
53	Belyavskaya M.I. (Maria101106)	1					4	6
54	zhigmitova K.S. (karinika)	1					ban	ban
55	Van D.B. (ari100crat)	1					3	6
56	Korolev M.M. (cmbbtw)	1					3	6
57	Oreshkin M.V. (pebkr)	1					5	5
58	namrozar R. (namrozar)	1					4	5
59	serikova L.A. (lunaraserikova)	1					3	5
60	Komarov R.V. (Roman_Valerievich)	1					3	5
61	Alyukov D.I. (DINIYARKINS)	2					4	4
62	Babaev (floydtmb)	1					4	4
63	Baranov M.E. (Maska9)	1					4	4
64	Petukhov M.D. (Rolland Ultra)	2					2	4
65	Ganiev E. (ProstojPsevdonim)	1					2	4
66	John (yakovleval123)	1					2	4
67	Tikhonova M. (timary98)	1					2	4
68	Politov (Eugene01)	1					2	4
69	Esakova K.O. (ksuesakova)	1					2	4
70	Sotov D. (dan_wygd)	1					3	3
71	Olontsev M. (maintenance17)	1					3	3
72	Bashlachyov (a8)	1					3	3
73	Popkova A.D. (nastya_spec)	1					2	3
74	Azyamova (aplleian)	2					2	2
75	Abramov V. (Vitaminez)	1					2	2
76	Scherbina S.A. (shcherbinator)	1					2	2
77	Mikhalev D. (dimab00ss)	5					ban	ban
78	Chesakov D. (danyache)	2					ban	ban
79	Prutenskij A.A. (Prutenskij A.)	1					1	2
80	Rudnitskiy R. (rudikBro)	1					1	2
81	Ivanov V.I. (Vasilij1980)	1					1	2
82	Akhtyamov D.G. (Akhtyamov)	1					1	2
83	boitcev (boitc)	1					1	2
84	Miroshnichenko E.K. (hulk00)	1					1	2
85	Kondratyev G. (curlypop)	1					1	2
86	Pupkin V.F. (CloddeOperator)	1					1	2
87	Gusakova O.P. (Oksana Gusakova)	1					1	2
88	Khudzhanazarov O.Sh. (oleg_52)	1					ban	ban
89	Alekseev A.A. (A1ekce187)	1					1	2
90	Bushelovskij A.E. (Greshniik)	1					1	2
91	Li E. (elli3107)	1					1	2
92	Black M. (qwe132)	2					1	1
93	G (rubiksphere)	2					1	1
94	Kuragin D.V. (AlexDubson)	2					1	1
95	hero H.M. (heromaster)	1					1	1
96	zov (zov11)	1					1	1
97	M (DanilM2304)	1					1	1
98	Vikulov M. (mavikulov02)	1					1	1
99	Kirichenko A.A. (Dartchen)	1					1	1
100	Oks (kir_oxx)	1					1	1
101	Churyukin A.S. (AChuryukin)	1					1	1
102	Matsakyan A. (matsakyan)	1					1	1
103	Kamazin (PiskaKiska)	4
104	Orlov I.V. (867543)	4					ban	ban
105	Kucheryavenko G.G. (Twist658)	3
106	Ten S.L. (104kse)	2
107	Borschovetskij I.N. (Igor2.0)	2
108	Akhmedov K. (Kurb)	2
109	Sarkis'yan G. (gennadi_s)	2
110	Kushnir S.A. (Wishmaster190281)	2					ban	ban
111	Kalashnikova A.K. (anzhelikakalashnikova)	2
112	Komov S.M. (Komov S. M.)	2					ban	ban
113	Kuftina A.O. (Kuftina)	2
114	Vinogradova E. (-Helen-)	2					ban	ban
115	Linkevich P.G. (PavelLinkevich)	2
116	kir (vankir)	2
117	Karpov E.A. (KarpovEA)	2					ban	ban
118	Tkachenko A.P. (Tkach401)	2
119	Skor (bl_s_123)	2
120	Yakhtina (Kris07)	2
121	Polezhaev (Kirill123321)	2
122	Gorbunkov M.S. (gms)	1
123	Fedorov Y. (jarda)	1
124	Stul'nev R.O. (kalter1213)	1
125	Reutov A.A. (andrei1994)	1
126	Strel'tsov V.A. (develo3r)	1
127	Smith (tibacityblues)	1
128	Khmelev S.N. (Oragula123)	1
129	a A.A. (Artur1q)	1
130	Kurtykina V.S. (VKurtykina)	1
131	Krivosheenkova A.A. (Krivosheenkova_Alina)	1					ban	ban
132	Kondakov (staryded)	1
133	Bondar' A. (arina_bonn)	1
134	Kuptsov M. (adv4ce)	1
135	Kra (UKra_17)	1
136	Menzhunova D.V. (menzhunova)	1
137	Krasnij N.O. (komnesychka)	1
138	Rudnev V.V. (pazartesi)	1
139	Apanasevich V. (vladislav61)	1					ban	ban
140	Karpushenko A.P. (fenris06)	1
141	Evgen'ev (arsen0__0)	1
142	Sokolovskij B. (BS89)	1
143	Yarmak A.S. (Maison94)	1
144	Demidov Z.I. (Zak2013)	1
145	Safaryan E.A. (edgar06081986)	1					ban	ban
146	b (jozik123)	1
147	Do T. (asukakurashina)	1
148	Ivanov (userTest1)	1
149	Rakshin M.R. (qsekka)	1
150	Ikryanikov D.S. (Danila_I)	1
151	Grigor'ev (solanova88)	1
152	Ziterev (Batysai)	1					ban	ban
153	Odegov A.I. (KovroLitik)	1
154	Pogrebnyak I.V. (Irina Pogrebnyak)	1
155	R. (Wra1th)	1
156	Finogeev M. (MaxFinog)	1
157	Kozlovskij R.E. (altimariven)	1
158	Bazhenov S. (bober25)	1
159	Lysykh V.K. (Usilitel')	1
160	G R. (contemplative)	1
161	tomer T. (chtomer)	1
162	Zakirov I. (coronets1)	1					ban	ban
163	Firstov E.V. (Evgeny_F)	1
164	Ivanova I.I. (Brungilda924)	1
165	Plekhanov A.M. (Anton_Plekhanov)	1
166	Koskov A. (wasabitrue)	1
167	Dyusenbin A.K. (Kanatovich)	1					ban	ban
168	Gaponova (chvo)	1					ban	ban
169	Oschepkova V.A. (Viktoriya Oschepkova)	1
170	Bogovarova A.R. (sassshhhkkka)	1
171	Grineva M.S. (gm_r)	1
172	Shamyr (2010p)	1
173	Zim K.V. (K__I__Z)	1
174	Erzhov (pepsik)	1
175	Galatsan I.V. (Igorgal)	1
176	Pupkin V.T. (Dokiki)	1
177	Yovik A.V. (lehin_92)	1
178	Bochkarev E. (Cringe758games)	1
179	Qudaibergen Y. (yelamanioo)	1
180	Majstrovskij A. (AXO7908)	1
181	Belyakova K.S. (kira_kek)	1
182	Nasibbeyli C. (REIS)	1
183	Nikiforov D.V. (Kemi)	1
184	Baitalokha S. (grimebunny_god)	1
185	Chirkov E.Yu. (EgorChirkovchik)	1
186	Kudryavtsev A.A. (Tiket)	1
187	Chikovani L. (compgeek123)	1
188	romPro18 A.A. (romPro19)	1
189	Kozlovskij M. (iDevore)	1
190	Aleksandrova V. (VolhaAlex)	1
191	Kurilko E. (kurilego)	1
192	Lautermil'kh A. (lrsck)	1
193	Testovyj T.T. (TestikTestovik)	1
194	Strel'tsova Yu.V. (Belle.y)	1
195	Kyazymov A. (GOOP)	1
196	Mal'tseva A.M. (Mal'tseva A.M.)	1
197	Marazhan B.D. (Birzhanpvl)	1
198	Smirnova E.A. (El'm)	1
199	Esina O. (piolpa)	1
200	topuria (jarji uwu)	1
201	Iytrf (SqlBoss_3655)	1
202	Avalova V.R. (Vikispirs)	1
203	Shul'gin D. (Danil_357)	1
204	Unregistered	16

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