Last week rating | SQL Exercises

August 08, 23:55 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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SQL exercises

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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: 12635

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>LOl K.C. (HOAJG)	22	22	29	0	29	3512	08 Aug 2020
2	>Rodionov S. (oldos)	11	75	26	0	26	703	08 Aug 2020
3	>Markov (yaroslavv)	18	21	24	0	24	3525	08 Aug 2020
4	>Lakalov D. (Meilleur_NG)	14	41	21	0	21	1719	08 Aug 2020
5	>Gur'yanov D.A. (Dmitro94)	15	16	20	0	20	2110	08 Aug 2020
6	Zelentsov I.A. (Overcomzi)	8	8	11	16	27	2825	07 Aug 2020
7	>Babintseva (Eleveur)	6	6	8	0	8	5904	08 Aug 2020
8	>Kurbanaliev (Grazz)	5	5	7	10	17	6111	08 Aug 2020
9	>Petrova K.O. (Lanelia)	3	39	7	0	7	1202	08 Aug 2020
10	Kuz'mitskij Ya.O. (YaroslavYaroslav)	3	64	6	0	6	1046	06 Aug 2020
11	Tsch S. (SergeyTsch)	2	68	5	0	5	480	08 Aug 2020
12	Kovelman V. (jjokker)	2	60	5	0	5	840	07 Aug 2020
13	Matveev M. (Matveev Maksim)	3	26	5	0	5	2877	07 Aug 2020
14	Ryabov V.E. (vlal)	3	9	5	0	5	5021	07 Aug 2020
15	onykienko M. (margovyn)	3	3	5	0	5	6904	05 Aug 2020
16	Yartsev Yu. (Yury66)	3	105	4	0	4	233	07 Aug 2020
17	Komov K.N. (zigmund1)	1	97	4	0	4	277	08 Aug 2020
18	Gubarev I. (Ygga)	3	3	4	0	4	7863	07 Aug 2020
19	>Varenikov D.M. (Dmitriy Varenikov)	1	218	3	0	3	18	04 Aug 2020
20	>Komarov A.N. (Shveda Saulya)	1	134	3	0	3	129	08 Aug 2020
21	Nechaeva O.A. (Nechaeva Olga)	1	97	3	0	3	288	07 Aug 2020
22	Russkikh A. (mandarinchik)	1	77	3	0	3	452	07 Aug 2020
23	Lazareva E. (lea_22)	1	90	2	0	2	346	07 Aug 2020
24	Smolyar P.M. (smolyar)	1	72	2	0	2	508	07 Aug 2020
25	Shustov V.V. (shustovvlad)	1	64	2	0	2	674	05 Aug 2020
26	Vasil'ev A.A. (TruthFinder)	1	64	2	0	2	718	05 Aug 2020
27	tatkasan (tatkasan)	2	51	2	0	2	873	08 Aug 2020
28	Ladanov N.V. (XAKEP_BBC)	1	51	1	0	1	983	02 Aug 2020
29	Il'ina A. (Alexandra2097)	0		0	27	27		06 Aug 2020
30	Kolomiets A.V. (kolomiecartiom)	0		0	22	22	5029	08 Aug 2020
31	Men'shikova M. (Marina24)	0		0	18	18		06 Aug 2020
32	Zhilina Z. (mymy)	0		0	15	15		07 Aug 2020
33	Dubchak (dva3)	0		0	11	11	9164	08 Aug 2020
34	Gabitov I. (gabbysun)	0		0	11	11	9165	08 Aug 2020
35	Volkov (Kai Hansen)	0		0	10	10		07 Aug 2020
36	Iakovlev D. (Nuclion)	0		0	9	9	5819	07 Aug 2020
37	Rishko (vasya00)	0		0	9	9		08 Aug 2020
38	Khlynov M. (KhlynSQL)	0		0	9	9		04 Aug 2020
39	Eliseeva E.V. (IamHelena)	0		0	9	9		07 Aug 2020
40	Semishin (SVitya)	0		0	9	9		03 Aug 2020
41	Leoshko A.V. (kotik_schredingera)	0		0	8	8		07 Aug 2020
42	Maximov (eugeen_maxi)	0		0	8	8		05 Aug 2020
43	Petukhov I.A. (Cheeroki)	0		0	8	8		05 Aug 2020
44	Kostitsyn M.Yu. (orgnism)	0		0	8	8		06 Aug 2020
45	Ostapenko A.I. (ArOs)	0		0	8	8		07 Aug 2020
46	Polyashov (3DpoNCh1k)	0		0	7	7	6239	08 Aug 2020
47	Martynenko M.V. (Marry_lalalala)	0		0	7	7	7942	08 Aug 2020
48	Mayer (novicenew)	0		0	6	6	6553	08 Aug 2020
49	Mezenev (Killen)	0		0	6	6	6554	08 Aug 2020
50	Natynchik E. (Verbena)	0	62	0	5	5	694	07 Aug 2020
51	Suvorin I.A. (learntocode)	0		0	5	5		07 Aug 2020
52	Bulgakov (Danil)	0		0	5	5		07 Aug 2020
53	Sviyazova (LidaSv)	0		0	5	5		04 Aug 2020
54	K D. (Dmitry_Kir)	0		0	5	5		07 Aug 2020
55	pessimist (pessim1st)	0		0	5	5		03 Aug 2020
56	Daria (bubbles.tut)	0		0	5	5		07 Aug 2020
57	Kir'yanov V.V. (vudef)	0		0	4	4		07 Aug 2020
58	Matusevich M.D. (JustMishka)	0		0	4	4		06 Aug 2020
59	didyk T.R. (dtr94)	0		0	4	4		05 Aug 2020
60	vadman (vadman)	0		0	4	4		03 Aug 2020
61	Yanovskij (Turpentin)	0		0	4	4		08 Aug 2020
62	Aleksandrova N.E. (Ananas1k0)	0		0	3	3	8252	07 Aug 2020
63	Dimov S. (SeregaExpert)	0		0	3	3	8253	08 Aug 2020
64	Yolkin E.I. (zhok)	0		0	3	3		08 Aug 2020
65	Denisov S.V. (iamdenisovsv)	0		0	3	3		04 Aug 2020
66	Gol'tsov A.G. (Kpojluku)	0		0	3	3		06 Aug 2020
67	Zaretskaya E. (Elenka!)	0		0	3	3		06 Aug 2020
68	Madaeva M.Z. (Marina Madayeva)	0		0	3	3		06 Aug 2020
69	Ivanova (ClarisseM)	0		0	3	3		07 Aug 2020
70	Paranina (amabilitat)	0		0	3	3		05 Aug 2020
71	FFF F.F. (zaykka)	0		0	3	3		03 Aug 2020
72	Antoniuc (Fanik1947)	0		0	3	3		03 Aug 2020
73	Ivanova (Pupochek2.0)	0		0	3	3		05 Aug 2020
74	Saprykin A. (a.sapry)	0		0	3	3		08 Aug 2020
75	Ovchinnikov A.V. (Kakoi-to_chelovek)	0		0	3	3		03 Aug 2020
76	Ermashkevich A. (alina0401)	0		0	3	3		06 Aug 2020
77	Zaluzhnaya N.V. (nadia fz)	0		0	3	3		06 Aug 2020
78	Saj N.N. (Nadzhda)	0		0	3	3		07 Aug 2020
79	Egorov K. (kuznecegorov)	0		0	3	3		07 Aug 2020
80	Osadchaya D.S. (skatinski)	0	1	0	2	2	3917	07 Aug 2020
81	Skurat O.S. (OliBur)	0		0	2	2		08 Aug 2020
82	Dyatko N.Yu. (Kinopoisk)	0		0	2	2		06 Aug 2020
83	Maskalik A.N. (Anuta Maskalik)	0		0	2	2		06 Aug 2020
84	-- (waasaaw)	0		0	2	2		06 Aug 2020
85	Prokopovich І.V. (IrinaFFFF)	0		0	2	2		07 Aug 2020
86	Mokhort (moxe)	0		0	2	2		06 Aug 2020
87	Nagel' V.A. (Envyy)	0		0	2	2		08 Aug 2020
88	Suetnov V. (842867)	0		0	1	1	12635	08 Aug 2020
89	kevin K. . (kevsterkev)	0		0	1	1		06 Aug 2020
90	Predpochtu konfidentsial'no (Annonim987654321)	0		0	1	1		07 Aug 2020
91	Menkov (silly_apple)	0		0	1	1		05 Aug 2020
92	Radchenko A.D. (AlexRadchenko)	0		0	1	1		06 Aug 2020
93	Svetlov A.M. (s86v)	0		0	1	1		07 Aug 2020
94	Martynov A.A. (potaton2)	0		0	1	1		06 Aug 2020
95	nikuradze L.L. (maayqwert)	0		0	1	1		05 Aug 2020
96	Kozlov E. (Zhekson)	0		0	1	1		06 Aug 2020
97	Chizhevskij E.S. (Chizhevskij E.S.)	0		0	1	1		07 Aug 2020
98	Luk'yanov V.S. (DeadGod)	0		0	1	1		06 Aug 2020
99	Fart (OldFart)	0		0	1	1		08 Aug 2020
100	Oganesyan P.A. (ogapogo)	0		0	1	1		08 Aug 2020
101	Yoburt (Yoburt)	0		0	1	1		06 Aug 2020

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