Today's statistics at "SQL Exercises"

September 26, 16:55 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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  • Rating of second-stage exercises (average)
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  • Author's rating  • 2nd stage rating up to exercise:
   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

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SQL exercises

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      choosing DBMS)
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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	Kryuchkov P.A. (KryuchkovPavel)	1	2	2	4	6	9	11
2	Sarkis'yan G. (gennadi_s)	2	1	303		1
3	Levin Yu.A. (pdestroyer)	2			1	1	1	2
4	Odintsov K.S. (Halavid)	2					50	75
5	Bukina (ViToshaB)	1					15	27
6	Gadel'shina V.D. (GadelshinaVD)	1					15	26
7	Borisova V.G. (viola??)	1					15	26
8	Nurbaev V.V. (Ulanovka)	2					15	24
9	Zov (Dildobek1488)	1					15	22
10	Prishivalko (Korifa)	1					12	22
11	mustafina (Mustafina)	1					15	20
12	Ryabicheva A.D. (Alyonaana421)	1					9	18
13	Krinichnyj (Liljames)	2					10	17
14	Kanzeparova L.I. (LuizaK)	2					10	17
15	Borisova (JUBO24)	1					10	17
16	Yolokhov (fazzone)	1					9	15
17	Bayramov A.S. (Bayramov Amin)	2					10	13
18	Abramova V.A. (wywern)	1					10	13
19	Mansf. A.I. (kaoriqwe)	1					9	13
20	Kuznetsova Ya.A. (yanulik_pipulik)	2					8	13
21	Vashkevich D.I. (darvas)	1					7	11
22	Krasnov A.A. (Nutr1k)	2					7	10
23	Kulepov (mi_20)	1					5	10
24	Kuznetsov (ZXCdemon1)	1					6	9
25	Kudryashova P.S. (__Polina__)	2					5	9
26	Oliver (klavamish)	1					5	9
27	Knyazhev A.D. (lominos)	2					5	8
28	Nagornaya (kuku_1989)	2					5	8
29	Maslov E.I. (egor.maslov)	1					6	7
30	Ryhus Y. (Yevhen_Ry)	1					4	7
31	Roflan (tk31)	1					3	6
32	Bashakova E.S. (Alienor)	2					5	5
33	Sardaryan G. (garik_sard)	1					5	5
34	Bakushkin I.D. (vaback23)	1					5	5
35	Mariya (Marusiya)	1					5	5
36	Nikolaev A.N. (AlexeyHeizenberg)	1					ban	ban
37	Gajnetdinov (happyMri)	2					4	4
38	Shul'ga A. (Shul'ga A.S,)	2					3	4
39	Bitsoev G.A. (ZaratustraImba)	1					3	4
40	Sosnina A.A. (amnyam22)	1					3	4
41	Vorontsov I.A. (kys_ha)	1					2	4
42	Michaels S.R. (Hartbreakkid)	1					2	4
43	Volkova A.E. (An_Vi)	2					2	2
44	Fajzulina S.Sh. (snejanna)	1					2	2
45	Gataullin A.Sh. (Ballist)	3					ban	ban
46	Shure V. (VladimirShure)	2					1	2
47	Urakin A.V. (Selper)	1					1	2
48	Murych (Soff2222)	1					1	2
49	Ch V.Yu. (Kusik)	1					1	2
50	Barchenkov V.D. (UJYT)	1					1	2
51	Petrov D. (pdmitriy687)	1					ban	ban
52	Gorodetska (yukasia)	2					1	1
53	Izvanov K.N. (Kosta21)	1					1	1
54	Dugin D.R. (DYGIDAI)	1					1	1
55	Gerasimenko A.V. (Onix_Hamtaro)	1					1	1
56	Il'in A.A. (SashaKaban2003)	1					1	1
57	Nikitina (Nikitos8888)	1					1	1
58	Krasovskij E.A. (pegoopik)	2
59	vakhitova S.N. (Sebi123)	2
60	Lopatin A.V. (countdown)	2
61	Dunaev K. (Scrollz)	2
62	Zorin E.O. (popajeck)	2					ban	ban
63	Dimitrov D.A. (DevDanilSQL)	2					ban	ban
64	Abramov V. (Ichigo Kurosaki)	2
65	Kuznetsova U.A. (abrakadabrina)	2
66	Bogachev (raxil)	2
67	Nuriddinov S. (Nuriddinov)	2
68	Abdukholiqov H. (abdukholiqov)	2
69	Buslaev A.V. (dare1337)	2
70	Karavaev A.V. (Alex!333!)	2
71	Moiseenko S.I. (mois_)	1
72	Kurochkin P.A. (qwrqwr)	1
73	Koptel'tsev V. (selber)	1
74	Sigankov V.I. (vasilyvanc)	1
75	Makarov (eplsur)	1
76	Bazhanov (Bazhanov)	1					ban	ban
77	alex Q.C. (testtest235)	1
78	Shagalov O.L. (TTC)	1
79	Peshkov V. (MicroPedalka)	1
80	vsguliyev V.V. (vsguliyev)	1
81	wiggy (piggy618)	1
82	Anisimov N.I. (Checkers)	1
83	Mikhmanov S. (mikhmanov)	1
84	Rodin (uoloki)	1
85	Soldatov (Li351)	1
86	P I.*. (IrinaPetr)	1
87	Buravchenko P.E. (Polliiiiii)	1
88	R. (Wra1th)	1
89	Zinov'ev Yu.I. (raccoon_)	1
90	Surname (sean_archer)	1
91	Skibin V.V. (SQL_vvs)	1
92	Kurbatova N.G. (dealer_1703)	1
93	Zubov V.N. (VITALIY777)	1
94	droping (dewdapad)	1
95	B (gimmedakup)	1
96	Baranova V.A. (Test081)	1
97	Noskova D.I. (daho_n)	1
98	serg_k (kosoukhovsa)	1
99	Murav'ev E. (Egor1o)	1
100	Nikolov P.F. (plamennf)	1
101	ke1pie I. (kelpie2013)	1
102	Bratsykhina T.A. (tatavia25)	1
103	Karashev D. (karashev)	1
104	Morozova A. (Schwarze_Katze)	1
105	Pechechyan (ZagreusLuv)	1
106	Ermilov V.S. (Skorpius)	1
107	Pogosyants (Ivan338)	1					ban	ban
108	Fatkulina O.M. (viennie)	1
109	Koretskij M.S. (Mariiik)	1
110	Bagryantseva D.A. (Dar'ya Meowdg)	1
111	Ivanov (prizrakprida)	1
112	Pan V.O. (jimmychunga)	1
113	Alafaev M.K. (Zero_7692)	1					ban	ban
114	ria (rqqll)	1
115	Ageeva V.V. (vita_llife2)	1					ban	ban
116	Levshin R.Z. (reyman)	1
117	Konstantinov (mooblich)	1
118	Khakimov A. (Azik)	1
119	Lebedev (xknxght22)	1
120	Nikolaev K.Y. (kazut0-nwb)	1
121	Yashina A. (k4litushka)	1
122	Pravdina E. (Freyalma)	1
123	heidbdv (Heidbdv)	1
124	Unregistered	16

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