Today's statistics at "SQL Exercises"

December 06, 10:01 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.
NOTE: Your browser should support Cookies and Javascript to provide correct usage of this site. If you use content filter, it should allow opening child windows to explore help pages.

Ratings

  • Top 100
  • 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

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

Forums

  • Learning stage
  • Rating stages
  • Favorites
  • Search
  • Blogs

Certification

  • About certification
  • Certified professionals
  • Statistics
  • Statistics over regions (map)
  • Confirm certificate

HELP

Query optimization

For employers

Support SQL-EX.RU

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	Suscheva K.A. (Ks1993)	2			3	3
2	M (DanilM2304)	1			1	2
3	Bazhanov (mover)	1	1	2		1
4	Chechetkin A. (SnakeManySSS)	1			1	1	11	16
5	T A.A. (Ali919)	1					15	27
6	Bolgov Ya.A. (YarikArmatura2006)	1					ban	ban
7	z R.M. (w1nt3rr)	1					14	19
8	Zhumabek A.A. (bpr23)	1					9	16
9	CHOVULLAKANDY A. (Abinraj)	4					12	15
10	Emel'yanov Ya.V. (Emel'yanov Ya.V.)	2					10	14
11	sursokho A.A. (aleksandr sursoho)	1					10	14
12	Makarov S.I. (Semyon Makarov)	1					10	14
13	Cherkasov G.G. (cherkasov grigorrij)	1					10	14
14	Kulshashar Z.R. (ZHAMBO)	1					8	14
15	Igushev (Daniiiil31)	1					9	13
16	Pechorin S.V. (sergeypechorin)	1					9	13
17	Vorob'eva A.G. (Aleksandra SQL)	2					8	10
18	Petrov Y. (YuriPetrov)	1					3	10
19	Krasnov (Robotsnipp)	1					8	9
20	Volod'ko K.G. (Xenia_0104)	1					6	6
21	Tawirbaev A.A. (KNPVRKChPAA)	2					4	6
22	Uisin D. (kairatnurtaskn)	1					3	6
23	POPOV A.A. (sashapov)	2					5	5
24	Ordabek E.A. (Erlanbek)	1					3	5
25	bekbotaev S.B. (bolat123)	1					3	5
26	Sultanakhmedov M.R. (Cerry)	1					4	4
27	Ivanov I.I. (Xottab)	1					4	4
28	Manac (k.k.k.)	1					4	4
29	Abdurazakov M.A. (loooorax)	1					3	4
30	Odnokurtsev (AlFochino)	3					2	4
31	Nuretdinova E.R. (Evelina.)	1					3	3
32	Amaraeva D.I. (damaraeva)	1					3	3
33	Sandakova B.B. (SBB)	1					3	3
34	Gershuk (blit9)	1					2	3
35	Baazhaj S.S. (Solangy)	1					2	2
36	Budaeva A.Zh. (Altana)	1					2	2
37	Sonduev Z.P. (Zaynobar)	1					2	2
38	Popovtsev N.O. (Popovtsev)	1					2	2
39	Nasirova (Taira)	1					2	2
40	Nik C. (Argaman)	1					ban	ban
41	Lavrova (Huta)	1					1	2
42	Moldash K.A. (keraaaa)	1					1	2
43	Belyak (TheTester)	1					1	2
44	Ermekbai D.G. (diko22)	1					1	2
45	Kanabatyrov T.N. (Fryder)	1					1	1
46	Mamadnazarov S. (Parfwrest)	1					ban	ban
47	Markhevskij V. (valeriy.markhevskiy)	1					1	1
48	Tulugoeva U.S. (kirigaya38)	1					1	1
49	Krasovskij E.A. (pegoopik)	2
50	Abramov V. (Vitaminez)	2
51	Gusakova O.P. (Oksana Gusakova)	2
52	Zyuz'kov S.V. (stepanzuzkov)	2
53	Shrestha A. (hatchwho)	2
54	Zelevich D. (z.dmitrii)	2
55	Ardashov V.A. (Ardashov)	1
56	Gray (AGray)	1
57	Baranov V.B. (VitaliB)	1
58	Dujsen (Zake1)	1					ban	ban
59	Dzhanelyan D. (David Dzhanelyan)	1
60	Sevast'yanov (Lyka)	1
61	Danilin A.V. (alephsandr)	1
62	Markova (Irena280880)	1
63	Zujkov E.A. (FoxMurdl)	1
64	Entelis I.E. (Yantar')	1
65	Vorob'ev (Ekhidnyj)	1
66	Kulik E.Y. (pl.sinner)	1					ban	ban
67	R. (Wra1th)	1
68	Finogeev M. (MaxFinog)	1
69	Domejko I.A. (Domejko)	1
70	Lysykh V.K. (Usilitel')	1
71	Dresvyanskij E.A. (Chupik03)	1
72	Vinogradova E. (-Helen-)	1					ban	ban
73	Fatianova (learning_ninja)	1
74	svoi I.M. (Korday)	1					ban	ban
75	Temirlan K.A. (Tikosh2005)	1					ban	ban
76	Serikbai B. (Bekas20)	1
77	Zhanysbek K.Zh. (Linkvon2)	1					ban	ban
78	Kashnikov A.S. (Artyom Kashnikov)	1
79	Toleubaj A.S. (su1tan)	1
80	erbolatkyzy D. (erbolatkyzyyme)	1
81	Tsitskiev I.M. (Islam06)	1					ban	ban
82	Kostitsyn (SemyonK)	1
83	Klyuchnikov M.N. (Mikhail23isbo3)	1
84	yerko Y.Y. (yerko)	1
85	Rakhmanov R.R. (rassa228)	1					ban	ban
86	Abidueva S.Ts. (Surzhana Abidueva)	1					ban	ban
87	Lavkin L.A. (fiwbc)	1					ban	ban
88	Tur'ev K.A. (T_F_C)	1
89	Chesnokov I.D. (IvanChesnokov)	1
90	Kim N. (Naena)	1
91	Bas B.B. (Qazan_bas)	1
92	Abdrakhimov U.R. (Ural027)	1
93	Unregistered	17

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References