Today's statistics at "SQL Exercises"

July 04, 17:19 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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Ratings

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  • Top 100 on latest exercises
  • "Liberal" rating
  • Olympic rating
  • TOP 100 of Learning Stage
  • Rating by summation of ranks
  • Top 10 (photos)
  • Last-week results
  • 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

Statistics

  • Today statistics
  • Site's old residents
  • Recent leaders activity
  • Сhanges in exercises' TOP 10
  • Results' chart

SQL exercises

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  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
  • Transact-SQL tests
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  • Data simulation (DML);
  • Visual simulation (painting)
  • Exercises voting (SELECT)
  • Exercises voting (DML)

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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	Odnokurtsev (AlFochino)	2	2	124		5
2	Fom (Kamchatka)	1	1	3		2	1	2
3	Salov S. (Koshachek)	1			2	2	2	4
4	Eskoskin A.S. (GARPI)	1					15	26
5	Chelyshev A.V. (DarthYoda)	1					10	18
6	Alex R.A. (Alex_Rolex)	1					7	11
7	Vanchenko A.A. (valanchik)	1					6	10
8	Klimenko M.M. (Maks_On_Chek)	2					8	8
9	zan (faunova)	1					7	7
10	Stashkevich K.D. (mckartocha)	1					6	7
11	Rudakova (maryzi13)	1					4	7
12	Familiya (LetsSQL)	1					4	7
13	Altashin S.V. (burrito)	2					4	6
14	KpocaB4er (kpocaB4er)	1					3	6
15	Rusyaev D. (DenisRusyaev)	2					4	5
16	Justice (Bodya_Cr)	1					4	4
17	Isaev (andnothingheart)	1					4	4
18	Vasya P.R. (Dagotra)	1					3	4
19	Sikunchik (meowboom111)	1					3	4
20	Yanushkevich I.M. (Yanush999)	1					3	3
21	Kuvshinov (Kuvshinka)	1					3	3
22	Stepanov M.A. (jaatinn)	1					3	3
23	Pushkarev S. (PSV_n)	1					2	3
24	Polikarpov K. (kir0206)	1					2	3
25	Familiya A.O. (Alex_PV1589)	1					2	3
26	Ivanov I.I. (GeorgySnow)	2					2	2
27	Kotova (elilia)	1					2	2
28	Mukhametzyanov (DoctorWhite)	1					2	2
29	yehor Y. (beginner0)	1					2	2
30	Vodolazova A.V. (Vodolla)	1					1	2
31	Talanina L.I. (batberry)	1					1	2
32	Anesyan A.A. (Ara23)	1					1	2
33	Khusnutdinov D.D. (Abdulxamid)	1					1	2
34	Goldobin E.G. (prm259)	1					1	2
35	Ivanova (nahi1)	1					1	2
36	Rezvan (SilentLand33)	1					1	2
37	Iva E.A. (PlatinumKub10)	1					1	2
38	Mukhambetov M. (Maxim1314)	1					1	2
39	Shevchenko G.M. (psychokitty01)	1					1	2
40	Sairanbek D. . (sairanbek_darkhan)	2					1	1
41	Svetlana (Enita)	2					1	1
42	N B.N. (Bulatuspeh)	1					1	1
43	Sergey (Floony.by)	1					1	1
44	Osipov M.N. (Maksim22)	1					1	1
45	Kanunnikov P.V. (Inoj777)	1					1	1
46	Nikol'skij I.Yu. (igoryun)	3
47	Vinogradova S.M. (Tigra1)	2
48	Gitinomagomedov (gmansur88)	2
49	Dehkonov A. (Akrom)	2
50	Yakimova S.E. (Yak87)	2
51	Shik I.Sh. (shikino)	2
52	Shevchenko E. (agedPhoenix)	2
53	Fukalova (mycqlef1)	2					ban	ban
54	Statova S. (Statova Sof'ya)	2
55	Murat M. (murat_mukhammed)	2
56	urebov U.U. (ureb)	2
57	Melkonyan M.S. (MilanaMelkonyan)	2
58	L I. (InsrtNqme)	2
59	Drakovskiy S.A. (Drakon27)	2
60	Shibaev (saah)	1
61	Kurochkin P.A. (qwrqwr)	1
62	Kuksov A.I. (Kojilyes)	1
63	Krasovskij E.A. (pegoopik)	1
64	Martynov A. (Ryncol)	1
65	Koptel'tsev V. (selber)	1
66	ae M. (mh_ae)	1
67	Ser (SERGE S)	1
68	Shure V. (VladimirShure)	1
69	BERDNIKOV (mateknox)	1
70	Petrov M.K. (Gerr Kartoshechka)	1
71	Shurtupin D.S. (shdimon10)	1
72	Rakh (MorganFrenk)	1
73	Morunov E.D. (Morun)	1
74	Yurchenko Ya.V. (Fizmarazmat)	1
75	Kravtsov (Kravts.x)	1
76	Ushakov Z.M. (KaparZo)	1
77	Marshutina E.N. (miss_keyta)	1					ban	ban
78	Grigorash D.Yu. (g.dima)	1					ban	ban
79	Potapenkov N. (a1mer90)	1
80	Vasilevskij G.Yu. (GeoV)	1
81	Kushnir S.A. (Wishmaster190281)	1					ban	ban
82	Chugunov S.S. (Stepych505476)	1
83	Motronenko D.I. (DariaMotronenko)	1
84	Odegov A.I. (KovroLitik)	1
85	R. (Wra1th)	1
86	Skibin V.V. (SQL_vvs)	1
87	Lysykh V.K. (Usilitel')	1
88	Zhiryakov V.V. (vladvladzero)	1
89	Sotnikov D.V. (locksmich)	1
90	Grebe P. (p1kers)	1
91	Mus A.I. (Adam001)	1
92	Anas (CodeSavyMind)	1
93	Gadzhiev (nu3on)	1
94	Perekalov I.V. (Anino3333)	1
95	Korshunova I.A. (Korshunova Irina)	1
96	Volkov D.S. (Dmitry_VS)	1
97	Vorotnikov Yu. (Juriiy)	1
98	Dolgikh S. (owl1312)	1
99	Rytikov I. (Ivan_1984)	1
100	Khmelevskaya S. (Klepa151719)	1
101	Savchenko V.P. (Vladislav11111)	1
102	Bos (0phen)	1
103	Mazurova O. (Cedrik)	1
104	Agrelova A.Yu. (vyinuw)	1
105	Baobab M. (Pidilol)	1
106	SADqw E.1. (Saidsan)	1
107	voronov A.1. (arseni283748)	1
108	Buba (Buba_TuT)	1
109	Vasilev A. (deSentEx)	1
110	Los (juulik)	1
111	Osadchikov A.D. (Aldelor)	1
112	Platova Yu.A. (juliaplatova)	1
113	Unregistered	11

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