Last week rating | SQL Exercises

December 12, 06:20 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: 15406

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Govorov E. (erxaan)	37	37	59	1	60	1715	11 Dec 2025
2	>Krasnov A.A. (Nutr1k)	23	30	33	0	33	1549	12 Dec 2025
3	Kiba N.M. (abikshmabik)	18	18	24	0	24	4405	08 Dec 2025
4	Vukolov A. (al.vuk)	6	79	13	35	48	370	11 Dec 2025
5	Toleu (Ykylas2)	10	10	12	0	12	5835	08 Dec 2025
6	Boribaev A.N. (Asik0060)	6	6	9	0	9	6487	08 Dec 2025
7	Stich L.S. (Stitch05)	6	6	8	0	8	6635	08 Dec 2025
8	Petrov Y. (YuriPetrov)	3	197	6	10	16	37	12 Dec 2025
9	Zhaksylykova M.M. (MadinaZhhh001)	4	4	5	0	5	7521	08 Dec 2025
10	Kostomarov A.V. (al29)	2	258	4	0	4	5	09 Dec 2025
11	ASI (asi_sql)	1	100	4	0	4	247	11 Dec 2025
12	Zolotyh (Guy)	3	66	4	0	4	621	09 Dec 2025
13	Shmelyov L.A. (Shmeliara)	3	5	4	0	4	6894	11 Dec 2025
14	Boyarskij V.A. (ChronoMorzh)	1	131	2	2	4	139	12 Dec 2025
15	Boldyrev G.V. (grif85)	1	46	2	0	2	1045	09 Dec 2025
16	Pupkin (Kikimora)	1	47	2	0	2	1433	10 Dec 2025
17	fioletovaya (fioletovaya2)	1	35	2	0	2	2078	10 Dec 2025
18	Skokov B.S. (leks$$)	2	11	2	0	2	2508	11 Dec 2025
19	Safronov P.A. (Paulus73)	2	17	2	0	2	4061	11 Dec 2025
20	qwer3 Q.Q. (qwer1loh)	1	1	2	0	2	11167	11 Dec 2025
21	Belskiy V. (Gambit87)	1	63	1	0	1	757	11 Dec 2025
22	Mullabazi B.B. (besart.m)	1	4	1	0	1	3505	11 Dec 2025
23	Bazhanov (mover)	1	2	1	0	1	11122	06 Dec 2025
24	Crxnotfound (Securite)	1	1	1	0	1	15399	07 Dec 2025
25	Chechetkin A. (SnakeManySSS)	0		0	26	26	4205	07 Dec 2025
26	Kizilova I.R. (RinaKizilova23017)	0		0	24	24	4453	09 Dec 2025
27	Sokolova V.A. (sklvlra)	0		0	22	22	4676	11 Dec 2025
28	Krylov A.O. (KArsOl1)	0		0	21	21	4785	10 Dec 2025
29	Korolev M.M. (cmbbtw)	0		0	21	21	4786	09 Dec 2025
30	kk (wraith_k_)	0		0	17	17		07 Dec 2025
31	Evseev M.D. (BenBeri)	0		0	15	15	5481	09 Dec 2025
32	Sebeleva E.A. (Ashlynn3133)	0		0	15	15	5482	10 Dec 2025
33	Zyuz'kov S.V. (stepanzuzkov)	0		0	15	15	5483	11 Dec 2025
34	Basov V.A. (vadim_basov)	0		0	15	15		10 Dec 2025
35	Golikov A.A. (IpadreI)	0		0	14	14	5573	08 Dec 2025
36	Yastreb O. (Olgerd36)	0		0	14	14	5574	09 Dec 2025
37	chernykh D.N. (@hamm1ng)	0		0	14	14	5576	09 Dec 2025
38	Nalivkina Yu.A. (Yuliya Nalivkina)	0		0	14	14	5577	09 Dec 2025
39	Kotikova A.K. (Anastasia_Kotikova)	0		0	14	14	5578	11 Dec 2025
40	DEEPAK P. (PRINCE9070)	0		0	13	13	5727	09 Dec 2025
41	BIJU S. (SHON999)	0		0	13	13	5728	10 Dec 2025
42	Manoharan J.P. (Jag2004)	0		0	13	13	5729	09 Dec 2025
43	RAMESH A. (ABHI006)	0		0	13	13	5730	09 Dec 2025
44	Grachev (Monstrongus)	0		0	13	13	5731	08 Dec 2025
45	payyanadan V. (vichu859045)	0		0	13	13	5732	10 Dec 2025
46	THOMAS N. (noel_123)	0		0	13	13	5733	10 Dec 2025
47	Bajdaev D.A. (Dagva)	0		0	13	13	8055	10 Dec 2025
48	Makhotkin A.M. (larvoid)	0		0	12	12	5919	06 Dec 2025
49	Kostina Ya.A. (LBA)	0		0	12	12	5920	08 Dec 2025
50	Zlobin (artemmmz)	0		0	11	11	6134	08 Dec 2025
51	Sadriev K.F. (YugamiShinku)	0		0	11	11	6136	09 Dec 2025
52	Kaz'min K.I. (trysdek)	0		0	11	11	6138	10 Dec 2025
53	Stepanov R.L. (KsAnder132)	0		0	11	11	6139	10 Dec 2025
54	Larionova (Manya21313)	0		0	11	11	6140	10 Dec 2025
55	Arkhipova A.V. (Rishaoa)	0		0	11	11	6141	11 Dec 2025
56	ATsVA A.A. (Armaniii9920.)	0		0	11	11	6142	11 Dec 2025
57	Lin'kov P.D. (petrlinkov)	0		0	11	11	6443	08 Dec 2025
58	M (DanilM2304)	0		0	11	11	6579	11 Dec 2025
59	QQ Q.Q. (QQQQQ69)	0		0	10	10	6444	11 Dec 2025
60	Kazakov (EpselMopsel)	0		0	9	9	6576	07 Dec 2025
61	Prokof'eva K.Yu. (Kristianna)	0		0	9	9	6577	09 Dec 2025
62	Kulik A.L. (kulika)	0		0	9	9	6578	10 Dec 2025
63	Rudneva O.S. (Oly22)	0		0	9	9	6580	11 Dec 2025
64	Kim A.M. (sashaKATA)	0		0	9	9	6581	11 Dec 2025
65	Kalej D.A. (Dek)	0		0	8	8	6768	06 Dec 2025
66	Biryukova D.I. (DIVANCHIK)	0		0	8	8	6769	09 Dec 2025
67	Rachinskij I.A. (Rachinskij Ivan)	0		0	8	8	6770	10 Dec 2025
68	Topin P.A. (ProkhorBane)	0		0	8	8	6771	11 Dec 2025
69	Klyuchnikov M.N. (Mikhail23isbo3)	0		0	6	6	7359	10 Dec 2025
70	O (janeoosql)	0		0	6	6	7360	06 Dec 2025
71	Urbpnovskaya E. (Urbanizzz)	0		0	6	6	7361	06 Dec 2025
72	Suscheva K.A. (Ks1993)	0		0	6	6	7363	09 Dec 2025
73	fdfdsf (fdsdsfdsf)	0		0	6	6	7364	09 Dec 2025
74	Rublev R.I. (LinkEvr)	0		0	6	6	7365	10 Dec 2025
75	Smolina A.V. (Smolina_al)	0		0	5	5	8053	08 Dec 2025
76	Sal'nikov P. (gfdtk1993)	0		0	5	5	8054	11 Dec 2025
77	K (FitSuperset)	0		0	4	4	8728	08 Dec 2025
78	Mironova K.Yu. (Krist33)	0		0	3	3	9634	08 Dec 2025
79	Markov G.K. (ertonuy)	0		0	3	3	9635	08 Dec 2025
80	Podobajlo E.N. (PythonchikPro)	0		0	3	3	9636	09 Dec 2025
81	Belogorokhov S.S. (safar1k)	0		0	3	3	9637	09 Dec 2025
82	solov'ev A. (SOAD_best)	0		0	3	3	9638	09 Dec 2025
83	Chikov (dangersql5)	0		0	3	3	9639	09 Dec 2025
84	Poletaev V. (PiVkO)	0		0	3	3	9640	09 Dec 2025
85	Tarvi M.I. (.Misha.)	0		0	3	3	9641	09 Dec 2025
86	Fomin A.A. (Piter Griffin)	0		0	3	3	9642	09 Dec 2025
87	Kudryavtseva M.F. (123400a)	0		0	3	3	9643	09 Dec 2025
88	Senkevich M.A. (dotster)	0		0	3	3	9644	09 Dec 2025
89	Zaslavskaya S.V. (jj227)	0		0	3	3	9646	10 Dec 2025
90	Gorbunova I.V. (lalala09)	0		0	3	3	9647	10 Dec 2025
91	Degtyareva A.D. (okokokok)	0		0	3	3	9648	10 Dec 2025
92	Mavibash Kh. (Merzavets)	0		0	3	3	9649	10 Dec 2025
93	Volgapkin L. (levvo)	0		0	3	3	9650	10 Dec 2025
94	Tolstova S.K. (Sofiko_good)	0		0	3	3	9651	10 Dec 2025
95	Manukyan A.R. (Chipsi)	0		0	3	3	9652	10 Dec 2025
96	Anfimov I.V. (FursParashut)	0		0	3	3	9653	10 Dec 2025
97	Nikita (zxcvbnm231)	0		0	3	3	11150	08 Dec 2025
98	Polyakov V.M. (rock_4)	0	148	0	2	2	142	11 Dec 2025
99	Bujor A. (Angry BuQA)	0		0	2	2	11151	08 Dec 2025
100	Chebotarev M.V. (Mikhail_CH)	0		0	2	2	11152	10 Dec 2025
101	Safina C. (chusafina)	0		0	2	2	11153	08 Dec 2025
102	Shabalina (pechenkos)	0		0	2	2	11154	08 Dec 2025
103	Gasperskaya (deagasy)	0		0	2	2	11155	08 Dec 2025
104	Voronkova I.A. (Irairyra)	0		0	2	2	11156	08 Dec 2025
105	Shustova E.V. (Katik14)	0		0	2	2	11157	10 Dec 2025
106	Ivanova E.V. (spov758)	0		0	2	2	11158	09 Dec 2025
107	Almazova (Almkris)	0		0	2	2	11159	10 Dec 2025
108	Man K. (KatyMan)	0		0	2	2	11160	08 Dec 2025
109	Gul' (OG)	0		0	2	2	11161	10 Dec 2025
110	Urazboev I.M. (Imosh)	0		0	2	2	11162	08 Dec 2025
111	Shatula (nobodybodybro)	0		0	2	2	11163	09 Dec 2025
112	Abramov V. (Vitaminez)	0		0	2	2	11164	11 Dec 2025
113	Kuznetsova R.R. (Rrurise007)	0		0	2	2	11165	10 Dec 2025
114	Gomozova (Natali_gomozova)	0		0	2	2	11166	10 Dec 2025
115	Gorev N.A. (Doigram1)	0		0	2	2		10 Dec 2025
116	Glazov I.A. (11one11)	0		0	1	1	15400	10 Dec 2025
117	Zinatova A.A. (Alina Z.)	0		0	1	1	15401	08 Dec 2025
118	levina (life_gizn)	0		0	1	1	15402	09 Dec 2025
119	Belousov V.N. (sluzhba po kontraktu)	0		0	1	1	15403	09 Dec 2025
120	gapbassov Y.D. (jidream)	0		0	1	1	15404	11 Dec 2025
121	Vidulina (fish-ka)	0		0	1	1	15406	10 Dec 2025
122	Kots M.S. (Muwa)	0		0	1	1		05 Dec 2025

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References