Today's statistics at "SQL Exercises"

July 16, 12:41 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	Tanpure V. (VRT)	2			3	3	1	2
2	BHOWARE P.S. (pranaybhoware)	1			3	3
3	Nyaharkar S. (sanikanyaharkar)	2			2	2
4	Antonova A.A. (AnitaAntonova)	1			2	2
5	Singh A.J. (AdityaS)	2			1	1	8	13
6	shrivastava A. (Aditya17)	2			1	1	4	7
7	kakade B.S. (bhaktisk)	1					14	23
8	Ivanov I.I. (kurabeha01)	1					15	20
9	Sukhadeve N.R. (Nitin1710)	1					15	20
10	Amelin (almadeus)	1					15	19
11	Deshpande H.S. (Hrishikesh_07)	1					11	18
12	borkar P.N. (pb52)	1					14	17
13	Gadling A.V. (ARY4N)	2					12	17
14	Ye Y.A. (Yertt)	1					10	17
15	Bobade V.D. (vedant@786)	3					11	15
16	Salodkar R. (Ruksie)	1					9	15
17	Sahijwani D. (Deepanshus)	1					9	15
18	Sharma S.R. (sakshi2004)	1					9	15
19	Waghare A.S. (Aatharva)	3					11	14
20	Sukhin (Artem797)	1					8	14
21	starcev T. (timstars)	1					9	13
22	Rajurkar P.S. (prathamrajurkar)	2					8	11
23	Ingole S.D. (Keshav-Ingole)	2					8	11
24	choudhary L. (lipakshi)	2					8	11
25	Kim D. (DkimsonSQL)	1					8	10
26	singh A.O. (Abhishek26)	2					8	9
27	Mhasalkar S.S. (sneha@007)	1					6	9
28	Zanjad S.T. (Shreya Zanjad)	1					5	9
29	Balpande V.K. (Vedantiiii)	1					7	8
30	Mishra (Ginger457)	2					5	8
31	Wadibhasme K.A. (khushi wadibhasme)	2					5	8
32	Haciyev I.A. (Ismayil)	1					ban	ban
33	Yeole V.P. (vedika123)	2					6	7
34	Zverev (D_nya)	1					6	7
35	mezentsev K. (constantine_m1)	2					5	7
36	Akkazhov M.I. (Meir_82)	1					5	7
37	Fatykov (kridency)	1					5	7
38	kalbande V.P. (Vedant07)	3					ban	ban
39	Dewase R.Y. (rutunjdewase)	4					5	6
40	Madbhavi S. (Sudarshan10)	2					4	6
41	Aleshina S. (sofff)	2					3	6
42	pppat (ferta)	1					ban	ban
43	Kpustin B.V. (Kirillochka)	1					5	5
44	Miroshkina (Miroshka)	1					4	5
45	Khadatkar A. (Aryan_K)	1					4	5
46	Dharmik N.L. (Nihira)	1					3	5
47	Nair V.S. (venior)	2					3	4
48	Lokhande H.T. (harshlokhande07)	1					3	4
49	JADHAV R.V. (Rajwardhan)	1					3	4
50	Filch A. (ArgusFilch)	1					3	4
51	Khusnutdinov D.D. (Abdulxamid)	1					2	4
52	Alekseev M.A. (ama2301)	1					2	4
53	Mudgal V.K. (vedaa)	1					2	4
54	Gurav K.A. (Kunjangurav20)	2					ban	ban
55	Nhane S.M. (Sujal)	1					3	3
56	Gudadhe T.A. (Tanmay2007)	1					3	3
57	okate T.G. (Tanishq)	1					3	3
58	Lebedev A.V. (Lebedev A.)	1					3	3
59	Oralbek (dianaorabek)	1					2	3
60	Chaudhari (Rutik18)	1					2	3
61	Petrov N.V. (Petrov Nikita)	1					2	3
62	Bhatt S. ($aketh)	2					2	2
63	487 (487)	1					2	2
64	Dolzhikova M.N. (MokonaMokona)	1					2	2
65	Chagovets (CHGVTS)	2					1	2
66	Mad'yarov (Ndrix)	2					ban	ban
67	Shewale S. (samadhan33)	2					1	2
68	Eroschenko M.V. (Maxim_Vasilevich)	1					1	2
69	Alex A.A. (alexalex68t)	1					ban	ban
70	Svetlana (Enita)	1					1	2
71	Savin .V. (banana_crepee)	1					1	2
72	Zharchenko Z.S. (wwz_zww)	1					1	2
73	Ivanov I. (Valdy567)	1					1	2
74	Langlits (milkeyway)	1					1	2
75	Kavaliou (miki_koval)	1					1	2
76	Bopche N.R. (Neha Bopche)	1					1	2
77	Raut R.P. (Ruchiika)	1					1	2
78	Zajtsev M.P. (i_am_fine)	1					1	2
79	Merkulov (Lesan)	1					1	2
80	Patil D. (divyap)	2					1	1
81	Konovalov (Areksei)	1					1	1
82	Kolosnitsin (Tim146)	1					1	1
83	Yana Y.Y. (KeiYana)	1					ban	ban
84	Pya A. (mamka2p)	1					1	1
85	Evgen'ev (gek_c)	1					1	1
86	Olegov O.O. (qw3erqwertqwerqwerq)	1					1	1
87	Kurakin (billir)	1					1	1
88	gusarov I. (lllia)	1					1	1
89	O (Alekso)	1					1	1
90	Aibo A.A. (AiboVit)	1					1	1
91	S T.E. (\|.I)	1					1	1
92	guru (sql-guru-guru-guru)	1					1	1
93	Krasovskij E.A. (pegoopik)	2
94	Vlasov F. (Screet)	2
95	Ignat'eva S. (Svetlyachok_2019)	2					ban	ban
96	Dumpala A. (Akhil d)	2
97	Patil T.N. (Tanay070607)	2					ban	ban
98	Burtonov A.V. (tak to)	2
99	Moleva O. (olga404)	2
100	Koudriavtseva (Larissa)	1					ban	ban
101	Bis N. (Naz)	1
102	Shornikov P. (Pashech)	1
103	Kornienko A. (andr-123)	1
104	Abdulmanapov A. (Dvarik)	1
105	Emelkin P.M. (i_Molodec)	1
106	Poryvaev (Alykard)	1
107	Konyahin (strates2)	1					ban	ban
108	N. A. (Argon7)	1
109	babiy E.I. (eka_nail)	1
110	N T. (TarasN)	1
111	Barten'ev T. (Confound)	1
112	Bondarenko D.B. (Hecvi)	1
113	frolov (vvtchr)	1
114	Rakhman A.K. (Kanade)	1
115	Baal (AGngGBaasg)	1
116	Topilina E.V. (kat9i)	1
117	Zaripov (Kahatao)	1
118	Beznosov N. (Syrax)	1
119	Qwerty (TeacherTop9)	1
120	Sarkis'yan G. (gennadi_s)	1
121	Skokov B.S. (leks$$)	1
122	Revenko M.A. (CptDisturbed)	1					ban	ban
123	Rodin (uoloki)	1
124	Tyul'berova A. (ann_tyulberova)	1
125	R. (Wra1th)	1
126	Muratov D.A. (Enovostuck)	1
127	Shaikh (Angy33)	1
128	Evsyukovaa (nastasi_ann)	1
129	Lysykh V.K. (Usilitel')	1
130	Kabanov I.E. (kaban73)	1					ban	ban
131	Kudriavtseva K. (Wolfyk17)	1
132	Akameeva S.V. (SVA1)	1
133	Anesyan A.A. (Ara23)	1
134	Pshenichnikova (122025ip)	1
135	Cernius A. (a.cer)	1
136	Odnokurtsev (AlFochino)	1
137	Mokhov K.A. (Kosta1123)	1
138	Kashintseva A. (alin_ka)	1
139	nana N.N. (Nana21)	1
140	butkovskaya O.A. (paradis2016)	1
141	Bogatyrev N.V. (BNV2873)	1					ban	ban
142	Bulantsev I.D. (6u9)	1
143	Perekalov I.V. (Anino3333)	1
144	Murat M. (murat_mukhammed)	1
145	Ponomarev M.P. (MatveyF)	1
146	Antonova (Elena_No)	1
147	Savrasova (Taty01)	1
148	kh A. (aliastrong)	1
149	Pushkarev S. (PSV_n)	1
150	Savchenko V.P. (Vladislav11111)	1
151	Eliseeva O.S. (wspw777)	1
152	Kashin A. (AlexWinner)	1
153	shewale S.G. (samadhan shewale)	1					ban	ban
154	Elena E. (Kudesnitsa)	1
155	lit (pxeexe)	1					ban	ban
156	Dhawade A.R. (JoinKing)	1
157	Gept A.V. (arthurgpt)	1					ban	ban
158	Matyugin E. (lordpr)	1
159	Dibobes G.P. (goshan20)	1
160	Demidovich P.M. (c0ral0vii)	1
161	Goryunova V. (Viktoriya Goryunova)	1
162	Toporovskij E.E. (Jecka_1)	1
163	Krest A.V. (neOchem)	1
164	Alpysbai N. (nurs_06)	1
165	Khal'zova (halzovaksenia)	1
166	Bogdanovich N.S. (1Iney)	1
167	Magomedov D. (halalboy2026)	1
168	Panchenko A. (aurorastv94)	1
169	Yazlovetskiy A. (AntonYaz25)	1
170	Levanova (JuliaLevanova)	1
171	Unregistered	26

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References