Last week rating | SQL Exercises

December 13, 15:33 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: 15319

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Govorov E. (erxaan)	37	37	59	1	60	1716	11 Dec 2025
2	Krasnov A.A. (Nutr1k)	26	33	39	0	39	1463	12 Dec 2025
3	Kiba N.M. (abikshmabik)	18	18	24	0	24	4409	08 Dec 2025
4	Toleu (Ykylas2)	10	10	12	0	12	5825	08 Dec 2025
5	Boribaev A.N. (Asik0060)	6	6	9	0	9	6464	08 Dec 2025
6	ASI (asi_sql)	2	101	8	0	8	240	12 Dec 2025
7	Stich L.S. (Stitch05)	6	6	8	0	8	2443	08 Dec 2025
8	Petrov Y. (YuriPetrov)	3	197	6	10	16	37	13 Dec 2025
9	Zhaksylykova M.M. (MadinaZhhh001)	4	4	5	0	5	7487	08 Dec 2025
10	Boyarskij V.A. (ChronoMorzh)	2	132	4	2	6	139	12 Dec 2025
11	Kostomarov A.V. (al29)	2	258	4	0	4	5	09 Dec 2025
12	Zolotyh (Guy)	3	66	4	0	4	621	09 Dec 2025
13	Tkachenko D. (_GUERNIKA_)	3	21	4	0	4	1675	12 Dec 2025
14	Shmelyov L.A. (Shmeliara)	3	5	4	0	4	6860	12 Dec 2025
15	Vukolov A. (al.vuk)	2	79	3	35	38	370	11 Dec 2025
16	Boldyrev G.V. (grif85)	1	46	2	0	2	1045	09 Dec 2025
17	fioletovaya (fioletovaya2)	1	35	2	0	2	2119	12 Dec 2025
18	Safronov P.A. (Paulus73)	2	18	2	0	2	3997	13 Dec 2025
19	qwer3 Q.Q. (qwer1loh)	1	1	2	0	2	10827	11 Dec 2025
20	Skokov B.S. (leks$$)	1	11	1	0	1	2565	12 Dec 2025
21	Mullabazi B.B. (besart.m)	1	4	1	0	1	3508	11 Dec 2025
22	Crxnotfound (Securite)	1	1	1	0	1	15296	07 Dec 2025
23	Chechetkin A. (SnakeManySSS)	0		0	25	25		07 Dec 2025
24	Kizilova I.R. (RinaKizilova23017)	0		0	24	24		09 Dec 2025
25	Sokolova V.A. (sklvlra)	0		0	22	22		11 Dec 2025
26	Shaternikova D.A. (Shaternikova Dar'ya)	0		0	21	21	5724	13 Dec 2025
27	Korolev M.M. (cmbbtw)	0		0	21	21		13 Dec 2025
28	Krylov A.O. (KArsOl1)	0		0	21	21		10 Dec 2025
29	Zyuz'kov S.V. (stepanzuzkov)	0		0	15	15		11 Dec 2025
30	Sebeleva E.A. (Ashlynn3133)	0		0	15	15		12 Dec 2025
31	Sikorskij (Marti_9)	0		0	14	14	5571	13 Dec 2025
32	Saprykina E.D. (Elena_sap)	0		0	14	14	5572	12 Dec 2025
33	Zhukova A.E. (arlgnn)	0		0	14	14	5575	12 Dec 2025
34	Gomozova (Natali_gomozova)	0		0	14	14	5910	12 Dec 2025
35	chernykh D.N. (@hamm1ng)	0		0	14	14		09 Dec 2025
36	Nalivkina Yu.A. (Yuliya Nalivkina)	0		0	14	14		09 Dec 2025
37	Kotikova A.K. (Anastasia_Kotikova)	0		0	14	14		12 Dec 2025
38	Grachev (Monstrongus)	0		0	13	13		08 Dec 2025
39	payyanadan V. (vichu859045)	0		0	13	13		10 Dec 2025
40	THOMAS N. (noel_123)	0		0	13	13		10 Dec 2025
41	Manoharan J.P. (Jag2004)	0		0	13	13		09 Dec 2025
42	BIJU S. (SHON999)	0		0	13	13		10 Dec 2025
43	RAMESH A. (ABHI006)	0		0	13	13		09 Dec 2025
44	DEEPAK P. (PRINCE9070)	0		0	13	13		09 Dec 2025
45	Smagina (kiki555)	0		0	12	12	5909	12 Dec 2025
46	Kostina Ya.A. (LBA)	0		0	12	12		08 Dec 2025
47	Topin P.A. (ProkhorBane)	0		0	11	11	9588	12 Dec 2025
48	Sadriev K.F. (YugamiShinku)	0		0	11	11		09 Dec 2025
49	Evseev M.D. (BenBeri)	0		0	11	11		09 Dec 2025
50	Zlobin (artemmmz)	0		0	11	11		08 Dec 2025
51	Arkhipova A.V. (Rishaoa)	0		0	11	11		11 Dec 2025
52	Yastreb O. (Olgerd36)	0		0	11	11		09 Dec 2025
53	Stepanov R.L. (KsAnder132)	0		0	11	11		10 Dec 2025
54	Kaz'min K.I. (trysdek)	0		0	11	11		10 Dec 2025
55	Klevzhits (dreamy1213)	0		0	11	11		12 Dec 2025
56	Larionova (Manya21313)	0		0	11	11		10 Dec 2025
57	QQ Q.Q. (QQQQQ69)	0		0	10	10		11 Dec 2025
58	Gun'kin V.N. (Vod1chka)	0		0	9	9	6553	13 Dec 2025
59	F L.I. (Linches_13)	0		0	9	9		12 Dec 2025
60	Kazakov (EpselMopsel)	0		0	9	9		07 Dec 2025
61	Rudneva O.S. (Oly22)	0		0	9	9		11 Dec 2025
62	Prokof'eva K.Yu. (Kristianna)	0		0	9	9		09 Dec 2025
63	M (DanilM2304)	0		0	9	9		13 Dec 2025
64	Kulik A.L. (kulika)	0		0	9	9		10 Dec 2025
65	Kim A.M. (sashaKATA)	0		0	9	9		11 Dec 2025
66	Biryukova D.I. (DIVANCHIK)	0		0	8	8		09 Dec 2025
67	Rachinskij I.A. (Rachinskij Ivan)	0		0	8	8		10 Dec 2025
68	Urbpnovskaya E. (Urbanizzz)	0		0	6	6		06 Dec 2025
69	Karacharovskij D.V. (Product Analyst Jr)	0		0	6	6		12 Dec 2025
70	Rublev R.I. (LinkEvr)	0		0	6	6		10 Dec 2025
71	Kalej D.A. (Dek)	0		0	6	6		06 Dec 2025
72	fdfdsf (fdsdsfdsf)	0		0	6	6		09 Dec 2025
73	Sal'nikov P. (gfdtk1993)	0		0	5	5		11 Dec 2025
74	Bajdaev D.A. (Dagva)	0		0	5	5		10 Dec 2025
75	Lukin S.O. (serafim797)	0		0	4	4	8682	12 Dec 2025
76	Pulyakhina M.V. (ararararar)	0		0	4	4	8683	12 Dec 2025
77	K (FitSuperset)	0		0	4	4		08 Dec 2025
78	Kudryavtseva M.F. (123400a)	0		0	3	3		09 Dec 2025
79	Senkevich M.A. (dotster)	0		0	3	3		09 Dec 2025
80	Volgapkin L. (levvo)	0		0	3	3		10 Dec 2025
81	Zaslavskaya S.V. (jj227)	0		0	3	3		10 Dec 2025
82	Degtyareva A.D. (okokokok)	0		0	3	3		10 Dec 2025
83	Gorbunova I.V. (lalala09)	0		0	3	3		10 Dec 2025
84	Mavibash Kh. (Merzavets)	0		0	3	3		10 Dec 2025
85	Manukyan A.R. (Chipsi)	0		0	3	3		10 Dec 2025
86	Tolstova S.K. (Sofiko_good)	0		0	3	3		10 Dec 2025
87	Podobajlo E.N. (PythonchikPro)	0		0	3	3		09 Dec 2025
88	Belogorokhov S.S. (safar1k)	0		0	3	3		09 Dec 2025
89	Fomin A.A. (Piter Griffin)	0		0	3	3		09 Dec 2025
90	Poletaev V. (PiVkO)	0		0	3	3		09 Dec 2025
91	Tarvi M.I. (.Misha.)	0		0	3	3		09 Dec 2025
92	solov'ev A. (SOAD_best)	0		0	3	3		09 Dec 2025
93	Suscheva K.A. (Ks1993)	0		0	3	3		09 Dec 2025
94	Anfimov I.V. (FursParashut)	0		0	3	3		10 Dec 2025
95	Chikov (dangersql5)	0		0	3	3		09 Dec 2025
96	Mironova K.Yu. (Krist33)	0		0	3	3		08 Dec 2025
97	Markov G.K. (ertonuy)	0		0	3	3		12 Dec 2025
98	Voronkova I.A. (Irairyra)	0		0	2	2		12 Dec 2025
99	Bujor A. (Angry BuQA)	0		0	2	2		08 Dec 2025
100	Shabalina (pechenkos)	0		0	2	2		08 Dec 2025
101	Urazboev I.M. (Imosh)	0		0	2	2		12 Dec 2025
102	Safina C. (chusafina)	0		0	2	2		08 Dec 2025
103	Shatula (nobodybodybro)	0		0	2	2		09 Dec 2025
104	Nikita (zxcvbnm231)	0		0	2	2		08 Dec 2025
105	Man K. (KatyMan)	0		0	2	2		08 Dec 2025
106	Shustova E.V. (Katik14)	0		0	2	2		12 Dec 2025
107	Chebotarev M.V. (Mikhail_CH)	0		0	2	2		10 Dec 2025
108	Gasperskaya (deagasy)	0		0	2	2		08 Dec 2025
109	Gul' (OG)	0		0	2	2		10 Dec 2025
110	Ivanova E.V. (spov758)	0		0	2	2		12 Dec 2025
111	Almazova (Almkris)	0		0	2	2		12 Dec 2025
112	Abramov V. (Vitaminez)	0		0	2	2		13 Dec 2025
113	Kuznetsova R.R. (Rrurise007)	0		0	2	2		10 Dec 2025
114	Pulyakhina M.V. ('yvartsloalovia)	0		0	1	1	15317	13 Dec 2025
115	Eremin S.A. (noprob)	0		0	1	1	15318	13 Dec 2025
116	Tuala (Tuala)	0		0	1	1	15319	13 Dec 2025
117	levina (life_gizn)	0		0	1	1		09 Dec 2025
118	gapbassov Y.D. (jidream)	0		0	1	1		11 Dec 2025
119	Makhotkin A.M. (larvoid)	0		0	1	1		06 Dec 2025
120	Zinatova A.A. (Alina Z.)	0		0	1	1		08 Dec 2025
121	Vidulina (fish-ka)	0		0	1	1		10 Dec 2025
122	Glazov I.A. (11one11)	0		0	1	1		10 Dec 2025
123	Belousov V.N. (sluzhba po kontraktu)	0		0	1	1		09 Dec 2025

Home
Week news

Certification

SQL exercises

Forums

Ratings

HELP

Performance

Profile
References