Today's statistics at "SQL Exercises"

August 08, 16:26 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)
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  • DML 
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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	Sidorenko (Junior_Explorer)	1			1	1	2	2
2	Merkulov A. (ParabellumKSKS)	1					ban	ban
3	Mudgal V.K. (vedaa)	1					15	20
4	Bykov (n0yabrin)	1					15	18
5	priscastraight1 P. (priscastraight11)	1					15	18
6	Mihaylov P. (plgurenn)	1					13	18
7	sakurw famin (sakurw)	3					14	17
8	Smith S. (sam.smith)	1					10	17
9	Hen (Henchik)	1					10	13
10	Murav'ev E. (Egor1o)	1					8	13
11	Borisov D.R. (Dmitry.Bo)	1					6	11
12	C A. (shadowplayer79)	2					6	7
13	Izumovich R. (izuuum)	1					6	7
14	Pervushin N.A. (Niki342190)	1					5	6
15	Zhopkin (Vanek_destroyer)	1					5	5
16	Satpute R.C. (RAGINI23)	2					4	5
17	Altashin S.V. (burrito)	1					4	5
18	Vlasov (kirill181992)	1					4	5
19	Pukhlikov M.A. (maxsql20)	1					3	5
20	Makhin M.Yu. (Makalei)	1					3	5
21	Bratsykhina T.A. (tatavia25)	2					4	4
22	Kuanshpekova E.E. (Murexxsa)	1					4	4
23	Chernenko (Schwartz_max)	2					2	4
24	Orazaliev E.S. (AkameEW)	1					2	4
25	Kuznensov A. (kuznec4life)	2					3	3
26	Novikov A.N. (Takuan)	1					2	3
27	Kanunnikov P.V. (Inoj777)	1					2	3
28	Sulejmanov (Arkadoce)	1					2	3
29	Sennikova (Alex Sennikova)	1					2	3
30	Khorunzhij E.A. (wuwuqw)	1					2	3
31	Dobrynin (DanilDV)	2					2	2
32	Kokot R. (kokotino)	1					2	2
33	Ivanova M.A. (MariaIvanova267)	1					2	2
34	Korolev (krxst1)	1					2	2
35	Zhuravlyov D. (banditto63)	2					1	2
36	Novikova (Tanitrielle)	1					1	2
37	qq Q.Q. (stormxgod)	1					1	2
38	Zubkov D. (Dm54)	1					1	2
39	Pushkarev S. (PSV_n)	1					1	2
40	Urakina K. (Ksu774)	1					1	2
41	Kazantsev V.D. (kentiko_0)	1					ban	ban
42	Vladimirov M.V. (Vladimirov Maksim)	2					1	1
43	Petrov (wpsj)	2					1	1
44	Deviatov A. (d7CE)	1					1	1
45	Alexandru (alex911)	2
46	Moiseenko S.I. (mois_)	1
47	Koudriavtseva (Larissa)	1					ban	ban
48	Shibaev (saah)	1
49	Krasovskij E.A. (pegoopik)	1
50	Zelenaya (zelepupa)	1
51	rajan (sjan)	1
52	Stul'nev R.O. (kalter1213)	1
53	Egorovskaya V.B. (Afalina)	1
54	Shevchik (cupcake789)	1
55	Minyurov E. (m.evgeniy)	1
56	Yurchenko A.A. (y.aleksandr89)	1
57	Prudaeva N.A. (Pavlova.nat.an)	1
58	Kornilov V. (VKornilov)	1
59	Kalinin A.A. (Ishimiro)	1
60	Shik I.Sh. (shikino)	1
61	Yolguin A. (qqqq129387)	1
62	Elizarov (ElDen)	1
63	Platonov A. (Golden-Times)	1
64	Hass (Hassel)	1
65	Stepushin A.A. (alex_step_237)	1
66	Sarkis'yan G. (gennadi_s)	1
67	Abdurahmonov A.B. (Ledir)	1
68	Dmitriev N.V. (Son1do)	1
69	Sabirov R.R. (Impress03)	1					ban	ban
70	Rodin (uoloki)	1
71	Kushnir S.A. (Wishmaster190281)	1					ban	ban
72	Vasin I.S. (BackForthing)	1
73	Khokhlov (TermiDD81)	1
74	Golovkin I.A. (GHOST2508)	1
75	R. (Wra1th)	1
76	Korolev R.V. (zouker)	1
77	Lezgyan (Mr.Lord)	1
78	Skibin V.V. (SQL_vvs)	1
79	Lysykh V.K. (Usilitel')	1
80	Safonova S.A. (SofiaSA)	1
81	Sairanbek D. . (sairanbek_darkhan)	1
82	Merkulov A.D. (ParabellumKS)	1					ban	ban
83	Safronov P.A. (Paulus73)	1
84	Torgashin M.C. (tormich9991)	1
85	Goldobin E.G. (prm259)	1
86	Ivanov M.A. (maks_ivanov)	1					ban	ban
87	S (Tinkershock)	1
88	Repchenko V.S. (_vitalik_)	1
89	Lipin E. (Junior2222)	1
90	Savin .V. (banana_crepee)	1
91	Kulikov V. (thirdgear)	1
92	Shevchenko G.M. (psychokitty01)	1
93	Goryunova V. (Viktoriya Goryunova)	1
94	Yurova (AherCh)	1
95	Savinova (Alenari66)	1
96	Baulina E.I. (lebanau)	1
97	edmond2 (edmond2)	1
98	Ryatina E.P. (evmake)	1
99	Kunov (lachezarkunov)	1
100	Sorokoletov D.E. (hehehdhhshsqn)	1
101	Kolbai N.E. (Nurik666)	1
102	Eg D. (Den1993)	1
103	Shamsheeva E.D. (kate_immakuleta)	1
104	Lijenovsi K.V. (Nerux)	1
105	malov D.A. (qwnkz)	1
106	Unregistered	14

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