Last week rating | SQL Exercises

November 30, 16:03 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

Last-week results

n_sel - number of select exercises solved this week;
sel_all - total number of solved select exercises;
sel_scores - sum of points on select exercises earned this week;
dml_scores - sum of points on dml exercises earned this week;
scores - total sum of points earned this week;

Involved in rating: 15284

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Vukolov A. (al.vuk)	25	48	37	15	52	1123	30 Nov 2025
2	Stepanova (Lectrasim)	19	27	27	0	27	1505	28 Nov 2025
3	Darii (ShadowDem)	10	10	13	9	22	4589	27 Nov 2025
4	Cheban A.-. (Artem2888882)	10	10	13	9	22	4592	27 Nov 2025
5	>Naumov A.D. (wad881988)	4	122	13	0	13	146	30 Nov 2025
6	Orzhakovskij V.V. (weshhovsky)	10	10	12	11	23	4515	28 Nov 2025
7	ASI (asi_sql)	5	99	12	0	12	251	28 Nov 2025
8	----- V.-. (valera040505005)	8	8	11	11	22	4593	26 Nov 2025
9	Mel'nik A.A. (ShaNch1K)	9	9	11	10	21	4718	27 Nov 2025
10	Tkachenko D. (_GUERNIKA_)	10	16	11	0	11	2151	29 Nov 2025
11	Plamadyala D.A. (Daniland)	7	7	10	12	22	4595	29 Nov 2025
12	Cheresh A.A. (miscatr)	7	7	10	12	22	4599	28 Nov 2025
13	>Kulikovskij (cheez_x)	7	7	10	9	19	6330	30 Nov 2025
14	Nasonov A.S. (Ded_Oleg)	6	6	9	13	22	4606	29 Nov 2025
15	Yakshin I.V. (ivan_y)	5	120	7	7	14	215	28 Nov 2025
16	>Safronov P.A. (Paulus73)	6	6	7	1	8	6603	29 Nov 2025
17	Furtune K.O. (~Sakura~)	5	5	6	10	16	5322	29 Nov 2025
18	Krasnov A.A. (Nutr1k)	5	5	6	2	8	3504	27 Nov 2025
19	Podelya T.P. (837193)	4	4	5	11	16	5308	29 Nov 2025
20	Vdovin S. (Rujan)	1	137	4	0	4	152	30 Nov 2025
21	Pupkin (Kikimora)	2	45	4	0	4	1491	29 Nov 2025
22	Zakharov N.V. (Malaurix)	3	5	4	0	4	5403	28 Nov 2025
23	Sarkis'yan G. (gennadi_s)	1	198	3	0	3	18	30 Nov 2025
24	Abramova Yu. (GalaxyTears)	1	58	3	0	3	1150	28 Nov 2025
25	iva A.A. (pirivt)	1	2	2	13	15	5336	30 Nov 2025
26	mmmm (Nanaqwerty)	2	2	2	9	11	6009	28 Nov 2025
27	Belskiy V. (Gambit87)	1	62	2	0	2	768	28 Nov 2025
28	Egorenko A.I. (Zvezdica)	2	2	2	0	2	10855	26 Nov 2025
29	Iwuoha J.I. (Josh6663)	1	2	1	0	1	10918	24 Nov 2025
30	kelnmiir (kelnmiir)	1	1	1	0	1	15265	28 Nov 2025
31	Polyakov G.F. (makemenull)	0		0	34	34		28 Nov 2025
32	Stich L.S. (Stitch05)	0		0	27	27		24 Nov 2025
33	Krutoy A.M. (MacroMurzik)	0		0	26	26		24 Nov 2025
34	Syrov A.A. (syrochek)	0		0	26	26		27 Nov 2025
35	Nikiforov (nickmisch)	0		0	18	18		28 Nov 2025
36	filatova A.D. (anfisachka)	0		0	17	17		27 Nov 2025
37	Begiyan A.N. (almora111)	0		0	17	17		24 Nov 2025
38	Idrissov Y.A. (Kosharik_545)	0		0	17	17		24 Nov 2025
39	Pupkin (fdsafawef)	0		0	16	16		24 Nov 2025
40	Shukir E.K. (Era6165)	0		0	16	16		24 Nov 2025
41	Strel'chenko A.V. (saphirion)	0	63	0	15	15	567	24 Nov 2025
42	lls (evelexia)	0		0	13	13	5688	29 Nov 2025
43	Zhakova (Xiolu`)	0		0	13	13	5689	29 Nov 2025
44	Najdina E. (@Ekaterina)	0		0	13	13	5690	30 Nov 2025
45	gazizov A.I. (chort52)	0		0	12	12	5875	29 Nov 2025
46	Muntyan V. (VursPZ)	0		0	12	12	6990	29 Nov 2025
47	Sustatov I.E. (Ionix19)	0		0	12	12		24 Nov 2025
48	Raksha N.S. (NikitaRaksha)	0		0	12	12		28 Nov 2025
49	Shtefan G.I. (Shtefan)	0		0	12	12		25 Nov 2025
50	1 (kkrpiva)	0		0	11	11	6088	28 Nov 2025
51	Lebedeva A.D. (AnnaLebedeva11111)	0		0	11	11	6098	30 Nov 2025
52	Pipiseva K.G. (Pipisya)	0		0	11	11		24 Nov 2025
53	Dvadtsat'vos'moj (ddddd28)	0		0	11	11		26 Nov 2025
54	Shuvalov D.I. (Dmitrius75)	0		0	11	11		28 Nov 2025
55	Maguryan F.V. (kotnish)	0		0	11	11		29 Nov 2025
56	Detochka A.V. (a.detochka)	0		0	11	11		25 Nov 2025
57	Chernyshyova O.V. (Bang!!)	0		0	11	11		24 Nov 2025
58	Alyukov D.I. (DINIYARKINS)	0		0	11	11		23 Nov 2025
59	Kudryashov (Alybatross)	0		0	11	11		28 Nov 2025
60	Dimitrov S.I. (Dimitrov)	0		0	11	11		28 Nov 2025
61	Beseleva U.V. (BUsIV)	0		0	11	11		29 Nov 2025
62	Smirnov (DRXLOW)	0		0	11	11		26 Nov 2025
63	Negru A. (Anon217)	0		0	11	11		28 Nov 2025
64	Bajdaev D.A. (Dagva)	0		0	11	11		28 Nov 2025
65	Vestritskij (olezha32)	0		0	10	10		27 Nov 2025
66	Makeev (maalse)	0		0	9	9	6531	30 Nov 2025
67	Burenkov O.D. (ReDlY28)	0		0	9	9	6532	30 Nov 2025
68	Evseev M.D. (BenBeri)	0		0	9	9		28 Nov 2025
69	Medjidov F. (f.medjidov)	0		0	9	9		24 Nov 2025
70	Loskutov V.S. (loskut01)	0		0	9	9		29 Nov 2025
71	lnnnn (59871fah1)	0		0	9	9		28 Nov 2025
72	Chelov (chelik222)	0		0	9	9		26 Nov 2025
73	dasda D.D. (dadsadasdadasdasdasdsadsa)	0		0	9	9		28 Nov 2025
74	Kotani V. (Vijay-Abiram)	0		0	9	9		24 Nov 2025
75	Zhandaulet D.D. (darhantigr)	0		0	9	9		24 Nov 2025
76	?mіrtaj R. (Rakhat05)	0		0	8	8	6989	29 Nov 2025
77	Kirill E.R. (KirillEr)	0		0	8	8	15281	29 Nov 2025
78	Bumbu D.S. (P1ng)	0		0	8	8		28 Nov 2025
79	Nikita P.A. (Nekit322)	0		0	8	8		30 Nov 2025
80	Gorbunova A.V. (Alisa29)	0		0	8	8		25 Nov 2025
81	Skokov B.S. (leks$$)	0	7	0	7	7	3098	28 Nov 2025
82	M (DanilM2304)	0		0	7	7	11050	30 Nov 2025
83	O (janeoosql)	0		0	7	7		27 Nov 2025
84	Glotov D.A. (rusich_goida)	0		0	7	7		28 Nov 2025
85	Vasil'ev I.A. (Nikoladaefef34233434)	0		0	6	6	7298	29 Nov 2025
86	Grinets D.A. (Miyoka)	0		0	6	6		25 Nov 2025
87	Mal'tseva A.M. (Mal'tseva A.M.)	0		0	6	6		29 Nov 2025
88	Pakin N.S. (nikitta)	0		0	6	6		28 Nov 2025
89	Smirnov V.A. (Vlad1234)	0		0	6	6		28 Nov 2025
90	hsdh H.H. (hrcj)	0		0	6	6		26 Nov 2025
91	Rubtsov D.V. (wrbzrare)	0		0	5	5	7978	30 Nov 2025
92	Vlasenko S. (sviv)	0		0	5	5	7979	30 Nov 2025
93	Zmeu B.B. (SIROBOV)	0		0	5	5		28 Nov 2025
94	Dyusenbin A.K. (kanatovich_dyusenbin)	0		0	5	5		24 Nov 2025
95	Ivanov I. (qwertzzzzz)	0		0	5	5		28 Nov 2025
96	Roshkovan A.S. (AlexRoshik)	0		0	5	5		27 Nov 2025
97	Safarov M.A. (quvibite)	0		0	4	4		28 Nov 2025
98	Gasheev N.A. (je1mky)	0		0	4	4		27 Nov 2025
99	Kudryashov A.S. (artem_12)	0		0	4	4		26 Nov 2025
100	Ronzhin A.S. (smep)	0		0	4	4		26 Nov 2025
101	Jtstsujuj Ts.J. (Fidanuka yapomidu1)	0		0	3	3	9555	30 Nov 2025
102	Dodonov S.A. (PRAVDA_SEMPAI)	0		0	3	3	9556	30 Nov 2025
103	Gerzhod E.A. (pipka4)	0		0	3	3	9557	30 Nov 2025
104	Li E. (elli3107)	0		0	3	3		25 Nov 2025
105	Suscheva K.A. (Ks1993)	0		0	3	3		28 Nov 2025
106	Pastukhov A.A. (Counselor7496)	0		0	3	3		26 Nov 2025
107	Zaritskij D. (Angel121)	0		0	3	3		27 Nov 2025
108	Paskar' M.E. (Bal'mung)	0		0	3	3		27 Nov 2025
109	sirotkin D.A. (dimas44)	0		0	3	3		26 Nov 2025
110	Zamyatkin N.S. (MisterEblin)	0		0	3	3		26 Nov 2025
111	Khokhlova (ElizabethElizabeth)	0		0	3	3		27 Nov 2025
112	Romanenko N.N. (klixen)	0		0	3	3		25 Nov 2025
113	Shumov N. (Niko_Alberto_02)	0		0	3	3		27 Nov 2025
114	Kaverzin M.A. (Amnesia172)	0	4	0	2	2	4209	27 Nov 2025
115	rjhjnrjd (babya)	0		0	2	2	11051	30 Nov 2025
116	Gorev N.A. (Doigram1)	0		0	2	2	15284	29 Nov 2025
117	Suboch (Viktoria_89)	0		0	2	2		25 Nov 2025
118	Sungrapov A.B. (m2409490)	0		0	1	1	15280	28 Nov 2025
119	Zholdaskhan B. (baikenello)	0		0	1	1	15282	29 Nov 2025
120	Martynenko S.S. (Military2025)	0		0	1	1	15283	29 Nov 2025
121	Brazhnikov A.A. (Razrushitel' mirov)	0		0	1	1		26 Nov 2025
122	Komissarov D.S. (DIODIOKOMM)	0		0	1	1		24 Nov 2025
123	Nikita (zxcvbnm231)	0		0	1	1		24 Nov 2025
124	Freeman M.A. (1nvincible)	0		0	1	1		24 Nov 2025
125	Polyakova E.R. (Kate_1j)	0		0	1	1		24 Nov 2025
126	Illarionov N.G. (Myklon)	0		0	1	1		24 Nov 2025
127	mokale D.C. (dipali mokale)	0		0	1	1		28 Nov 2025
128	Oreshkin M.V. (pebkr)	0		0	1	1		28 Nov 2025

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References