Today's statistics at "SQL Exercises"

February 15, 14:46 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)
  • Rating of 2nd-stage exercises (median)
  • 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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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	Kamenev I.A. (Kamenev88)	1	3	12		3
2	Doroshevich A.R. (Alexei2019)	1			3	3	4	7
3	Mart M.A. (Raf_ael_ka)	1			2	2
4	Kurakina M.A. (MAryku1989)	1			2	2
5	Matushkin S.A. (SergMatushkin)	2					57	89
6	Erbatyr A.E. (aigerim1406)	1					ban	ban
7	Rotar' Yu.R. (YuriyRotar)	2					22	29
8	Avezov B. (Baqosh)	2					15	25
9	Toleubay S.T. (sandugash Toleubay)	1					15	25
10	idiris N.R. (NurzhanI)	1					12	20
11	Kuznetsov E.A. (Egor A. Kuznetsov)	1					10	17
12	Grinenko I.S. (grenka9)	1					10	17
13	Alpeis A.Z. (Aruzhan Alpeis)	1					10	16
14	Tkachenko M.V. (tkachm-1)	1					12	15
15	Amangeldiuly A. (CDF)	1					ban	ban
16	Kazanbaj O.Zh. (Oren)	1					10	13
17	Klimenko S.R. (sofiya klimenko)	1					10	13
18	Kadochnikov (Kadochnikov Andrei)	4					8	13
19	Kazbek A. (annelya)	1					9	12
20	Lyubimova A.V. (nastyana)	1					8	12
21	Shebnev (si.shebnev)	1					7	12
22	Trushnikov M.N. (chajan)	1					5	8
23	Tatarinov (Yujiro)	2					6	7
24	Mel'nikov E.A. (Evgeniy_2.0)	1					6	7
25	Dalabayeva K. (kaamixxt)	1					5	7
26	Baktiyarr D. (D1naraaa)	1					5	7
27	Lauda H. (r3isenfe1d)	1					4	7
28	Zajniev L.S. (Leonj5)	1					4	7
29	Katya (mccat)	1					4	6
30	Pavlova A.M. (alinapam)	1					3	6
31	Efremova (eda_shhha)	1					3	6
32	Tolmach (InaYa)	1					5	5
33	Kireeva N. (natashaknd)	1					5	5
34	Generalova P.A. (plgnr)	1					4	5
35	Chursin S. (ser_chur)	1					3	5
36	Bityutskij S.A. (HaNsOo)	3					ban	ban
37	Egupov A.S. (Fekt0r)	1					2	4
38	Goldobin E.G. (prm259)	1					2	4
39	Akebek M. (Miras38097)	1					2	4
40	Khajrullina R.A. (regasta)	1					2	4
41	Belikov (lagruzdivo)	1					2	4
42	Startsev (sTaR!nA1402)	1					3	3
43	Ryan R.R. (Ryan3111)	1					2	3
44	Bakanov R.O. (bakanovro)	1					2	3
45	Sal'nikov A.M. (Arturchik123321)	1					2	3
46	qh0twtsr90uo (Xxxyxyyyx)	1					1	3
47	Grigor'eva Ya.M. (yana00)	1					2	2
48	Bhonde (manaswiii)	1					2	2
49	Auezova (Soul66)	1					2	2
50	Polyakova (24plkv19)	3					1	2
51	O (blastfm)	2					1	2
52	Matroskin (Kot_Barsik)	1					1	2
53	shch (maryshch)	1					1	2
54	Mishkovich T. (RRBlack)	1					1	2
55	Pushkin A.S. (Pushkin_Isip)	1					1	2
56	Gusev (superguzlik3228)	1					1	2
57	Levin E.A. (egor_oracle)	1					1	2
58	Zyrina N.A. (PapayaBg)	1					1	2
59	Krasnolobov A.A. (supporter1101)	1					1	2
60	Ovchinnikov V. (ZHOAS)	1					1	2
61	Schapov (__sql__)	1					1	2
62	Zambalaeva M.V. (Maria642)	1					1	2
63	Mukhamedzhanov R.M. (Balmain)	1					1	2
64	Kharitonov (VerBS)	1					1	2
65	Koshelev (Vakera_Kosh)	1					1	2
66	Telimisov (MEJIAHXOJIuK)	2					1	1
67	asdf A.A. (Ownage)	1					1	1
68	(Ya Tana)	1					1	1
69	Malakhov (Sivord)	1					1	1
70	Kulik A.L. (kulika)	1					1	1
71	Pelepelin A. (ToniMekh)	1					1	1
72	Bashkin N. (bashkinnaksim)	1					1	1
73	Osipov N.A. (Guest_1)	1					1	1
74	Quzmin (dmitryQu)	1					1	1
75	Silyutin A. (koi199)	1					1	1
76	Spanov M. (danteSql9518)	3
77	Krepostnoy (Mordast1)	2
78	Sarkis'yan G. (gennadi_s)	2
79	R. (Wra1th)	2
80	Appala B.G. (BrahmanandaGupta)	2
81	Kurochkin P.A. (qwrqwr)	1
82	Bryukvina O.Yu. (Findus)	1					ban	ban
83	Koptel'tsev V. (selber)	1
84	Sil'van (silvr)	1
85	Larca L. (Larca)	1
86	Doronin D. (dimas91)	1
87	Chizhov (RedGreenPower)	1
88	Ol'shanetskij S. (SLAV2019)	1
89	Yurchenko A. (y.aleksandr89)	1
90	Jackback J.B. (Jack 99)	1
91	Kotov (Kotov E.V.)	1
92	Shamaeva M.E. (shamaeva)	1
93	Ignotus E. (uievgo)	1
94	Norboyev S.B. (Shoxrux___)	1
95	petrov S.I. (Morriel)	1
96	Dunaev K. (Scrollz)	1
97	Chmil' E.V. (CoreyTaylorSwift)	1					ban	ban
98	Kirillov (askirillov)	1
99	Aleksandrov I.O. (testik101)	1
100	Filippov T.S. (Barbarbossa)	1
101	Pestryakov Yu. (umbrash@)	1
102	Serebrov Y.Y. (Eugene_Ser)	1
103	12 1.1. (Zlorango)	1
104	Scherbinskij (Glebrx)	1
105	Isakov V.I. (VladIs1994)	1
106	Pletnikov K.V. (OLEG_228)	1
107	Ivanov (userTest1)	1
108	TO R.V. (Translate)	1
109	Kharin A. (burita)	1
110	Mazanov (Cepnoj)	1
111	Khrustaleva (kultuh)	1
112	Komov S.M. (Komov S. M.)	1					ban	ban
113	Ganiev O.S. (Osman5)	1
114	Skibin V.V. (SQL_vvs)	1
115	Lysykh V.K. (Usilitel')	1
116	A M.A. (Maksimm2010)	1
117	Kolesnikov S.O. (bulbasaurus)	1
118	Oginov D.M. (Wereteno)	1
119	Kolesnikov A.M. (Serafil1209)	1
120	Khairov R.R. (Togg)	1
121	Abduragim I.I. (c14sh)	1
122	Babykina O.V. (olga_mv)	1
123	Lolenko N.V. (crysis1812)	1
124	Grechka I.V. (Pr0gGeR1337)	1
125	Umnov A.A. (AndoUm)	1
126	Lashina (babaika2)	1
127	Kolpaschikova (ruflufy)	1
128	Puchkova V.M. (lllerkinssss+-)	1
129	Mukhametzhan M.A. (Miras2181)	1
130	Krayushkin A.V. (Shtemp)	1
131	Sarsenova G.Z. (scally xanny)	1					ban	ban
132	Saipov S.M. (Saidbek)	1					ban	ban
133	Golubev A.P. (GlobusAfrika)	1
134	Ivanova V.A. (bogovarovo522@mail.ru)	1
135	Can (svetonik)	1
136	Kan (maxim78)	1
137	Videvich A.P. (loptym)	1
138	Dremlyuga A.E. (Arina Dremlyuga)	1
139	Bagin A. (ahito80)	1
140	Zyryanov S. (semzyr)	1
141	Yakunin A.A. (-swear)	1
142	Kobzar (luffy7653)	1
143	Bocharova S.M. (Salazail)	1
144	Dim A. (Alsu2626)	1
145	Krupin D.M. (K777d)	1
146	Mandzhieva A. (aimandzhi)	1
147	Unregistered	16

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