Last week rating | SQL Exercises

August 04, 19:39 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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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: 12647

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Rodionov S. (oldos)	15	70	33	0	33	862	04 Aug 2020
2	>Lakalov D. (Meilleur_NG)	15	34	21	0	21	2117	04 Aug 2020
3	Gur'yanov D.A. (Dmitro94)	13	13	17	0	17	4613	03 Aug 2020
4	>Markov (yaroslavv)	10	11	13	1	14	4699	04 Aug 2020
5	>Ryabov V.E. (vlal)	8	8	11	0	11	5245	04 Aug 2020
6	Kovelman (jjokker)	7	58	10	0	10	877	04 Aug 2020
7	Lukin (LedyanojSnegovik)	6	6	8	27	35	3073	29 Jul 2020
8	Yartsev Yu. (Yury66)	3	103	7	0	7	238	04 Aug 2020
9	Matveev M. (Matveev Maksim)	2	23	5	0	5	3322	04 Aug 2020
10	Smolyar P.M. (smolyar)	1	71	4	0	4	515	31 Jul 2020
11	>Gubarev I. (Ygga)	3	3	4	0	4	7866	04 Aug 2020
12	tatkasan (tatkasan)	2	49	3	0	3	883	01 Aug 2020
13	Kotanskij K.K. (Kotichek)	2	2	3	0	3	8072	29 Jul 2020
14	>onykienko M. (margovyn)	2	2	3	0	3	8142	04 Aug 2020
15	>Zelentsov I.A. (Overcomzi)	2	2	2	27	29	3662	04 Aug 2020
16	Novikov (PNA921)	1	105	2	0	2	253	04 Aug 2020
17	>Lazareva E. (lea_22)	1	90	2	0	2	346	04 Aug 2020
18	>Tsch S. (SergeyTsch)	1	67	2	0	2	501	04 Aug 2020
19	>Vasil'ev A.A. (TruthFinder)	1	64	2	0	2	716	04 Aug 2020
20	Ladanov N.V. (XAKEP_BBC)	2	51	2	0	2	983	02 Aug 2020
21	>LOl K.C. (HOAJG)	2	2	2	0	2	9089	04 Aug 2020
22	Tarshin S.N. (tsn)	1	139	1	0	1	156	30 Jul 2020
23	V (Tenyva)	1	112	1	0	1	222	02 Aug 2020
24	Sorin A. (Soral)	1	2	1	0	1	9120	03 Aug 2020
25	Sviyazova (LidaSv)	0		0	27	27	7265	04 Aug 2020
26	Makhmazaiitov K.D. (Kufa)	0		0	27	27	7945	04 Aug 2020
27	Tran A. (trananhtu1998)	0		0	27	27		31 Jul 2020
28	Strannaya (learner25)	0		0	18	18		29 Jul 2020
29	Men'shikova M. (Marina24)	0		0	17	17	5163	04 Aug 2020
30	Astashenkov M. (phys_master)	0		0	17	17		31 Jul 2020
31	Il'ina A. (Alexandra2097)	0		0	15	15	4803	04 Aug 2020
32	Chaldanov (aleksei_chald)	0		0	15	15		31 Jul 2020
33	Leoshko A.V. (kotik_schredingera)	0		0	11	11	6024	04 Aug 2020
34	Semishin (SVitya)	0		0	9	9	5819	03 Aug 2020
35	Khlynov M. (KhlynSQL)	0		0	9	9	5820	04 Aug 2020
36	Osipov (Osip1)	0		0	9	9	7262	03 Aug 2020
37	qwe Q.Q. (pavelkamey)	0		0	9	9		01 Aug 2020
38	didyk T.R. (dtr94)	0		0	8	8	7947	03 Aug 2020
39	Volkov (Kai Hansen)	0		0	8	8		30 Jul 2020
40	Mezhlumyan A.A. (annvtmn)	0		0	8	8		04 Aug 2020
41	D (keuht)	0		0	7	7		29 Jul 2020
42	oin T. (o1nta)	0		0	7	7		01 Aug 2020
43	Przeslaw P.B. (Piok86)	0	2	0	6	6	4456	04 Aug 2020
44	Prokopovich І.V. (IrinaFFFF)	0		0	6	6	6552	03 Aug 2020
45	Khadyka T.V. (tatyanahadyka)	0		0	6	6		02 Aug 2020
46	Suvorin I.A. (learntocode)	0		0	5	5	7263	04 Aug 2020
47	pessimist (pessim1st)	0		0	5	5	7264	03 Aug 2020
48	Kostitsyn M.Yu. (orgnism)	0		0	5	5	7266	04 Aug 2020
49	Rishko (vasya00)	0		0	5	5	7267	04 Aug 2020
50	Sadykova D. (daryasarya1298)	0		0	5	5		02 Aug 2020
51	vadman (vadman)	0		0	4	4	7946	03 Aug 2020
52	Yanovskij (Turpentin)	0		0	4	4	7948	04 Aug 2020
53	Serzhan (soa212)	0		0	4	4		30 Jul 2020
54	Korsuk K.V. (pinteko)	0		0	4	4		01 Aug 2020
55	Khvorostyan N.P. (Alux567)	0		0	3	3	8259	03 Aug 2020
56	Ovchinnikov A.V. (Kakoi-to_chelovek)	0		0	3	3	8260	03 Aug 2020
57	FFF F.F. (zaykka)	0		0	3	3	8261	03 Aug 2020
58	Denisov S.V. (iamdenisovsv)	0		0	3	3	8262	04 Aug 2020
59	Antoniuc (Fanik1947)	0		0	3	3	8263	03 Aug 2020
60	Dubchak (dva3)	0		0	3	3	8264	04 Aug 2020
61	Evtushenko (defaultpseudo)	0		0	3	3		30 Jul 2020
62	Kuznetsova (MrSmithKiev)	0		0	3	3		31 Jul 2020
63	Teryaev A.A. (MornaMeoi)	0		0	3	3		02 Aug 2020
64	klesti (klestidroid)	0		0	3	3		29 Jul 2020
65	Gusarova V. (gusarova.v)	0		0	3	3		03 Aug 2020
66	Kudryashova (ksu0502)	0		0	3	3		01 Aug 2020
67	Yashina Yu.V. (yash1na)	0		0	3	3		01 Aug 2020
68	Seregin N. (Seregin N)	0		0	3	3		30 Jul 2020
69	Osadchaya D.S. (skatinski)	0	1	0	2	2	3988	04 Aug 2020
70	Ivashin (sderser)	0		0	2	2	9176	01 Aug 2020
71	Orel O. (OlgaO83)	0		0	2	2		31 Jul 2020
72	Chekanovkin A.E. (bardinal)	0		0	2	2		29 Jul 2020
73	nikuradze L.L. (maayqwert)	0		0	2	2		04 Aug 2020
74	apes (apslm)	0		0	2	2		28 Jul 2020
75	Filimonova N.D. (Weaver322)	0		0	2	2		30 Jul 2020
76	Kudasov (tohatoha)	0		0	2	2		29 Jul 2020
77	Ushakov N.V. (donutWorry)	0		0	2	2		03 Aug 2020
78	Gurzhii N. (Shary)	0		0	2	2		30 Jul 2020
79	Nesterov S.V. (NevaSV)	0		0	2	2		29 Jul 2020
80	Petukhov I.A. (Cheeroki)	0		0	1	1	12646	04 Aug 2020
81	Sokolov (Sol-III)	0		0	1	1	12647	02 Aug 2020
82	Yonson (Timido)	0		0	1	1		29 Jul 2020
83	Trout L. (loredana98)	0		0	1	1		31 Jul 2020
84	Popov V. (Akronim)	0		0	1	1		31 Jul 2020
85	Svetlov A.M. (s86v)	0		0	1	1		04 Aug 2020
86	Talpakova U. (Umutik)	0		0	1	1		02 Aug 2020
87	Syzrantsev N. (Diego Brando)	0		0	1	1		02 Aug 2020
88	Nikolaev (SEREJATW)	0		0	1	1		03 Aug 2020
89	Ivanova L. (Lifeis)	0		0	1	1		31 Jul 2020

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