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February 25, 10:34 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	Kalimullin E.R. (EmilKalim)	1			15	17
2	Koverdin K.D. (koverdin)	1			13	16
3	Annageldiyeva G. (Annageldiyeva)	1			7	9	ban	ban
4	Kosovskij I.P. (kosovskii)	1			7	9
5	Chechushkina A.M. (Anastasiya Chechushkina)	1			3	6
6	Kayanovich A. (ArtemKaMMF)	1			3	4
7	Safronov P.A. (Paulus73)	1			1	4
8	Androsenkov (Evgeny_Andr)	1			2	3
9	fioletovaya (fioletovaya2)	2	2	114		2
10	Primakova (PrimakovaKristina)	1			1	2	ban	ban
11	Shlygin D.A. (Denis Shlygin)	1			2	2
12	Bugaev K.E. (Kostya_B74)	1			1	2
13	Sikovskaya V.O. (lerkas)	1			1	2
14	Burmenskiy D.O. (dnlbrm)	1	1	-16		1
15	Lev (Romanza400)	1	1	1		1
16	Bashkirov V.Yu. (Go gora)	1					15	19
17	Akylbekov I.N. (geto)	1					8	13
18	Zhilin N. (Nikita Zhilin)	2					9	11
19	Banzarov E.B. (buddha.)	1					9	11
20	Kudimov A. (Artem.K)	1					6	10
21	Sebastian A. (Anandhu)	1					5	10
22	Nov I. (indels)	2					ban	ban
23	Mankhirova S.N. (mayandso)	1					5	8
24	Chernova A.S. (fubarbert)	1					5	8
25	Chernyshov (Egych)	2					6	7
26	Fil'ko Yu.G. (1ns@)	2					6	7
27	Tkacheva K.A. (krissttik)	1					6	7
28	Matytsina (Vetra)	1					6	7
29	Tarsekar A.D. (@ntara)	1					5	7
30	Grinenko I.S. (grenka9)	1					5	7
31	Marat A.N. (Abla1)	1					4	7
32	Yumanov A.Yu. (Alexey-dwae12)	1					4	7
33	Gombozhapov A.V. (skandall)	1					ban	ban
34	Pil'chinov I. (Sengoku)	3					4	6
35	Ogorodnikov D.A. (TanatosX)	1					3	6
36	Pan'shina A.G. (AlexashaKim)	1					5	5
37	Romanenko A.S. (ladybag2319)	1					5	5
38	Erykalin P. (Lavorit)	1					4	5
39	Tagirov F.F. (Fidail21021998)	2					3	5
40	akm (educatedf)	2					4	4
41	Rabdanova K.E. (hwq)	1					3	4
42	Drygin D.D. (DanilDryg)	1					3	4
43	Bogatyrev Zh.I. (ujin9011)	1					3	4
44	Egorova S.V. (sondanu)	1					3	4
45	Erzhanov E.E. (erzhan1981)	2					2	4
46	Mel'nikov E.A. (Evgeniy_2.0)	1					3	3
47	Nik_ 3. (Nik_1337)	3					ban	ban
48	Zhebegenova M.R. (29330)	1					2	3
49	Afanevich E. (Ketra)	1					2	3
50	Lobanova M.L. (lobanovamariya)	1					2	3
51	discopony3 (discopony)	1					2	3
52	Prokof'ev A.O. (Artem123414)	1					2	3
53	Sukhov (egorkagodik)	1					2	3
54	Sabanova (diana1989)	1					2	2
55	Reuben D. (Rbn977)	1					2	2
56	Selokar A.R. (Anjali0307)	1					2	2
57	kamble (Meetkumar)	1					2	2
58	Fomin R.I. (Romashka2006)	1					2	2
59	Tsyrendylykov A.A. (pulymup)	1					2	2
60	Tyuleshkaliev K.R. (Megazhir67)	1					2	2
61	Pelepelin A. (ToniMekh)	2					1	2
62	Abramova K. (axiang)	2					1	2
63	Shutov S. (SkiZzo)	1					1	2
64	Ivanov I.I. (vlad91)	1					1	2
65	Shilova A.A. (Alyona Shilova)	1					1	2
66	Vakulko A.V. (VAlexandrV)	1					1	2
67	sontakke V.V. (vanshsontakke)	1					1	2
68	Kamyshov D.N. (SlavaRossii3)	1					1	2
69	K B.S. (Xpline)	1					1	2
70	Andromedov (Andromeda12)	1					1	2
71	n A.N. (Fra1z)	1					1	2
72	Namdakova S.Ts. (larakar0_0)	1					1	2
73	Gabdulkhaev (yolomafi)	1					1	2
74	Monte-Cristo G. (Danikk)	1					1	2
75	Dampilov E.M. (Dampilov Erdem)	2					1	1
76	Pavlovskij (Pavlovsky_maxim)	2					1	1
77	Gorbunkov M.S. (gms)	1					1	1
78	Lysakova (Svet Amur)	1					1	1
79	Ergonov A.G. (LexusLeha)	1					1	1
80	Novikov N.D. (nikitosikss)	1					1	1
81	Rakhmatullin I.A. (boysbandmibru)	1					1	1
82	Yukee (YukeeQR)	1					1	1
83	KWON D. (daegyeom)	1					1	1
84	Koptel'tsev V. (selber)	3
85	Krasovskij E.A. (pegoopik)	2
86	Shipilov M. (Nishtyak)	2
87	Krinberg A.I. (LEHAKR13)	2
88	Zhunsaliyev S. (Mirocu)	2
89	oorzhak A.E. (oorzhak)	2
90	Ionis K.M. (K@trina)	2
91	Nikonorov O.A. (nikolega)	1
92	Kir'yanova (key1)	1
93	Morokov A.L. (Flagman)	1
94	Frantsuzov E.A. (Micron)	1
95	Sil'van (silvr)	1
96	Grishina T. (Tatyana Grishina)	1					ban	ban
97	Yarovaya Yu.V. (YuliyaYar)	1					ban	ban
98	Serebryakov I.B. (Vano23)	1
99	111 (4matt)	1
100	Anders (iGrayMan)	1
101	Abdyraim A.U. (aabdyraimova)	1
102	Topnikov M. (miktop97)	1
103	Kuznetsov K.Yu. (kyzkiri)	1					ban	ban
104	Narmetov T... (MrSverg)	1
105	Amirzhanov B. (Beknar)	1					ban	ban
106	Perevoznikova M.I. (Mariya123456)	1
107	Najik (Najik7)	1
108	Ionis D.V. (Magic_Black18)	1
109	Frank V.V. (franknotpunker)	1
110	Alabushev P.O. (Drama_Lim)	1
111	Prakop V.V. (VladPrakop)	1
112	Nerubatskaya A. (nerubashka)	1
113	P I.*. (IrinaPetr)	1
114	Novikov S.V. (@Ser589QA)	1
115	Nikonov A. (Nikon97)	1
116	Odegov A.I. (KovroLitik)	1
117	R. (Wra1th)	1
118	Nagibina S.V. (sofya_nagibina)	1
119	Zmushko O.A. (OlyaZmushko)	1
120	Ivanov I.I. (berezjymrf)	1
121	Geirby A.A. (Naranchika)	1
122	Nazymbekov B.B. (Bauka05)	1
123	iskarova L. (cyberdeadline)	1
124	Novikov I.D. (InDel)	1					ban	ban
125	Lysykh V.K. (Usilitel')	1
126	Kostin S. (Serg10_88)	1
127	Korgambekova A.K. (Ajzada27052000)	1					ban	ban
128	Arzumanova M.V. (marasql13)	1
129	Zenov K.D. (kirillzenov)	1
130	Shejdak A.V. (sheidaknastya)	1
131	Druchkova R.A. (prveftir)	1
132	Yanpol'skij G. (9zno)	1
133	Dolgaya D.V. (dernilliop)	1
134	Lazarev D.D. (Lazarev)	1
135	JonDeer1 (JonDeer1)	1					ban	ban
136	Vladislavovich A.C. (ArtemChernov)	1
137	Belov V.A. (scraggyman_73)	1
138	Buraevskaya A.O. (Alexandra Buraevskaya)	1
139	P N.V. (Kolianio)	1					ban	ban
140	Tembhurne P.P. (prajkta)	1
141	Pyatkova Yu.V. (Yuksik)	1
142	banana D.M. (Danabanana77)	1
143	more T.D. (Trishti)	1
144	Kawle S.D. (Sandesh01)	1
145	Khovrin (LunarShadows)	1
146	Malakhov (dimmal)	1					ban	ban
147	Gurnule M.P. (moit8080)	1
148	Samandar S.M. (Samhf)	1
149	Duka L.V. (data_manipulator)	1
150	Sejtkan T.D. (Tair)	1
151	Kolokol'nikov A.A. (bdtest2v)	1					ban	ban
152	Protasov M. (MaxProtas)	1
153	Ayalwar V.V. (vidhiayalwar)	1
154	Leont'eva S.M. (sofyaleo)	1
155	Litvinenko (Tori Li)	1
156	Grechishnikova L.M. (Lidiya0512)	1
157	Afanas'ev A.E. (sevanchik12)	1
158	Arshanov A.I. (Balzhima)	1
159	Antonov S.E. (AnSoE)	1
160	Zambalaeva M.V. (Maria642)	1
161	Tsytsykova A.D. (fhvhdchi)	1
162	Ilyakhin M.A. (Max Ilyakhin)	1
163	Spitsyn A.A. (Dep_Alex)	1
164	Ponomarenko N.G. (FLENDSPACE)	1
165	Indira (MukhametoffIndira)	1
166	Kokhovets A. (angelina1599)	1
167	Kakas'ev N. (DeJaVu_)	1
168	Hatamov J. (Javid_H)	1
169	K D.I. (LK_)	1
170	xakimjonov N.K. (nayouzcard)	1
171	Korovina S.S. (Svetlana_SPb)	1
172	ergakov (snafcheg)	1
173	Sharakhmatov R.E. (FongrIX)	1
174	Trofimov H. (gr1kkk)	1
175	Li N.V. (nikita.nlv)	1
176	Efimova V. (Spaverabi)	1
177	Aldoshkin A. (Sablezub$$$)	1
178	Testing T.S. (Random1448Mand)	1
179	Unregistered	398

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