Today's statistics at "SQL Exercises"

July 29, 13:44 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	EL A.A. (AEL1811)	2			9	9
2	Anisimova (marble_plaque)	1			2	2
3	Williams B. (BW)	1	1	308		1
4	Antonov (SalamPopolam)	2					18	26
5	Durynichev (Nikita_fik)	2					15	24
6	Zanjad S.T. (Shreya Zanjad)	1					15	23
7	asd A.A. (defiler__616)	1					15	19
8	Lomakina (lomchik)	1					10	17
9	Pesiiii V.R. (BFBD)	2					12	15
10	fyv F.F. (defiler__617)	1					9	15
11	Vorob'yaninov I.M. (DirektorKontsessii)	1					9	12
12	Borisov A. (zerotool)	2					9	11
13	Turkovsky (KonKhiDot)	1					8	11
14	Pelov O.I. (Jk212356)	1					8	11
15	1 1.1. (feriell)	1					8	9
16	Silenkova D.S. (silenok)	1					7	9
17	Zevakin (EveRWhateveR)	1					7	9
18	Makshaev O.V. (McShay)	1					7	9
19	Fomitskij A.A. (Qleks)	1					6	9
20	Revin A.A. (AntonRvn)	1					5	9
21	Saxenbayeva Z.S. (zhsaksenbaeva)	2					7	7
22	stim (nyanracingcat)	1					7	7
23	Gafurov A.R. (Gafurov A.R.)	1					6	7
24	Schur (KatrinSHH)	1					6	7
25	kofuku (Kofuku)	1					6	7
26	Mozhaev N.M. (Veahzom)	1					5	6
27	Druzhinin (egorrrmiller)	1					5	6
28	Malysheva K.P. (KaterinaVfksi)	1					4	5
29	Arkhangel'skij A. (Milbroun)	1					3	5
30	Kozhevnikov V.V. (gutalikk)	3					4	4
31	sheshelidze K. (katdevv)	3					4	4
32	Mihaylov P. (plgurenn)	2					4	4
33	Akim (Dano4ka_520)	1					4	4
34	Antonov M.V. (mantan15637)	1					4	4
35	Strilenko (Liamorte)	1					4	4
36	Dimitrov V.M. (vencid)	1					2	4
37	Egorova A.O. (Sasha1994)	1					2	4
38	Funtova M.I. (fialka3)	1					3	3
39	Nebyshinets (Katerina N)	1					3	3
40	Nikolov P.F. (plamennf)	1					3	3
41	Khvoshchev S. (VIXS1512)	2					2	3
42	Sosnin M. (setNameMaxim)	1					2	3
43	Novikov A.N. (Takuan)	1					2	3
44	Ignatenko A.P. (AnastasiyaIGAP)	1					2	3
45	imerbakiyeva D. (diimrbkv)	1					2	2
46	E (neri)	2					1	2
47	Malikov A.A. (Ara2002)	2					1	2
48	Balashova (albalashova)	1					1	2
49	Mazitov Sh. (4broken)	1					1	2
50	Mikaya (Gio9248)	1					1	2
51	Rakhmetolla S. (Shattyk96)	1					1	2
52	Sadomtsev A. (Artemucho)	1					1	2
53	Dobrynin (DanilDV)	2					1	1
54	Rudov D. (Big_mafusail)	1					1	1
55	Alex A.A. (alexalex68t)	1					ban	ban
56	piopio5 (piopio5)	1					1	1
57	T R.J. (jenra)	1					1	1
58	Bobrovskij V.A. (lantique)	1					1	1
59	Askerov R.R. (ramil_as)	1					1	1
60	Tulegenova Z. (ziko09)	3
61	Krasovskij E.A. (pegoopik)	2
62	em S.A. (Revaniche)	2					ban	ban
63	Vasil'ev N.A. (Slowpokeborn)	2
64	Savin .V. (banana_crepee)	2
65	Burtonov A.V. (tak to)	2
66	INYEGAMOKUMANA T. (Tooye)	2
67	Shibaev (saah)	1
68	Koptel'tsev V. (selber)	1
69	Khasanov E. (mr_Eduard)	1
70	Arutyunyan A.A. (ARTUR1100)	1
71	moryarty N.A. (immemoryoo)	1
72	Denisov D. (Warpach)	1
73	Koloskov (Art_Dart)	1					ban	ban
74	Kangaro (Kangaro)	1
75	Petrov P.P. (Pod123)	1
76	Gordienko P.G. (PyotrG)	1
77	Pantiushkin I.I. (Zimbabaz)	1
78	I I.A. (Azimut130)	1
79	Krasnoperova C. (FuyuNoMangetsu)	1
80	Mareev A.S. (malaid)	1
81	Saidov I. (igor_1993)	1
82	Tsygankov P.I. (Pavel Tsygankov)	1
83	Chibisov S. (ss_chibisov)	1
84	Belyaev K.A. (Grotesque)	1					ban	ban
85	Gujo A.A. (arturguyo)	1
86	khayrutdinov D. (6000)	1
87	Burov (incredible93)	1
88	Bel'skaya M.G. (Zhigimont)	1
89	Dogadov S.V. (Serzho)	1
90	Aro E.F. (Ekaterina Araud)	1					ban	ban
91	Najik (Najik7)	1
92	Sarkis'yan G. (gennadi_s)	1
93	Titov (mahaon_1999)	1
94	Vasilenko S.V. (//Kit//)	1					ban	ban
95	Rodin (uoloki)	1
96	Jcvd6 (Jcvd26)	1
97	Kudaev (kanbust)	1
98	Popov G. (Nimble45)	1
99	Korenevskij S.S. (Ducktor)	1					ban	ban
100	Medvedev G.D. (GregorR)	1
101	Aliyev V. (Vussy)	1
102	Khokhlov (TermiDD81)	1
103	R. (Wra1th)	1
104	Tal Y.F. (YTal)	1
105	Muratov D.A. (Enovostuck)	1
106	Korolev R.V. (zouker)	1
107	Lysykh V.K. (Usilitel')	1
108	qq Q.Q. (stormxgod)	1
109	Goldobin E.G. (prm259)	1
110	Vlasov (kirill181992)	1
111	Mironov (Neuhov)	1
112	Sharbatov Y. (YusifSH)	1
113	Lyubimenko E.V. (lenwa)	1
114	Evgen'ev (gek_c)	1
115	Duisenbayev (3UMF)	1
116	Alasgarov T.M. (tural_alasgarov)	1
117	Maz T.G. (TatyanaMaz)	1
118	Murat M. (murat_mukhammed)	1
119	Pushkarev S. (PSV_n)	1
120	Sedakov M. (gamigami)	1
121	Ivanov I. (aoaooaoaooaoaooaoa)	1
122	Vasil'ev A. (Sasha_7891)	1
123	- V. (Varabi)	1
124	Kim D. (DkimsonSQL)	1
125	Akbaraliev S. (shokh023)	1
126	Kartashov E. (Eu_etc)	1
127	edmond2 (edmond2)	1
128	Filippov D.A. (shketik)	1
129	Deus M.-. (Michael Deus)	1
130	Golyandina (nap@)	1
131	Fedorchukova D.V. (DariyaFedorchukova)	1
132	Lesha A. (Lesha Writer)	1
133	Kungurov A. (Alexey10)	1
134	Ushakov G.V. (uzvcw)	1
135	Gundaeva (Elgunna)	1
136	sule (stacy_super)	1
137	Salimgareev A. (MegaOptimusPrime69)	1
138	Sinitsyna A.V. (apchkhiii)	1
139	Mavrin P.P. (ultrider)	1
140	Semenova (Tasecomms)	1
141	Novikova (maria105)	1
142	Tommi R. (RussellSQL)	1
143	asdasd A.A. (7856s4r564h56gz4kug)	1
144	Unregistered	26

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References