Last week rating | SQL Exercises

January 18, 17:50 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: 12841

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Akol'zin M.S. (maksimok2991)	28	57	49	0	49	1180	18 Jan 2021
2	>K S. (kinkou)	10	74	24	0	24	318	18 Jan 2021
3	Markin N. (Qmaro)	4	38	11	0	11	1226	15 Jan 2021
4	>Vestnikov D.A. (letsstudybegin)	5	95	10	0	10	298	18 Jan 2021
5	>Prokof'eva I.V. (IrinaP)	5	60	10	0	10	814	18 Jan 2021
6	Gubarev L.I. (Livan)	4	36	10	0	10	1518	17 Jan 2021
7	Podol'skaya M.A. (podolskaya_marina)	6	6	9	24	33	2929	18 Jan 2021
8	Ikramov R. (ARNET)	4	72	9	0	9	551	14 Jan 2021
9	Veselov A.N. (almw)	6	59	8	0	8	864	18 Jan 2021
10	1 (Test123jkhjhjhkhj)	4	4	6	0	6	6403	12 Jan 2021
11	Gireiko E. (Zubryonok)	1	119	5	0	5	181	12 Jan 2021
12	Vasil'ev A.A. (TruthFinder)	2	70	5	0	5	549	16 Jan 2021
13	Chernikova D.D. (darya_chernikova)	2	90	4	0	4	272	18 Jan 2021
14	>Menyajlo S.S. (Kagerorus)	2	39	4	0	4	1183	18 Jan 2021
15	Matveev M. (Matveev Maksim)	2	33	4	0	4	2185	17 Jan 2021
16	>Korosteleva E. (Shilohvost)	4	14	4	0	4	4195	18 Jan 2021
17	Pusev D.V. (Pusev_Denis)	1	193	3	0	3	18	17 Jan 2021
18	>Litvinov V.V. (NewsMan)	1	121	3	0	3	178	18 Jan 2021
19	Kasumov M.M. (MaratKasumov)	1	72	3	0	3	470	18 Jan 2021
20	Kuznetsova E. (EvgeniyaAndreevna)	2	5	3	0	3	3163	13 Jan 2021
21	Komarov A.N. (Shveda Saulya)	1	140	2	0	2	119	18 Jan 2021
22	Komov K.N. (zigmund1)	1	105	2	0	2	237	18 Jan 2021
23	SmirnOFF (select0r)	1	48	1	1	2	1242	13 Jan 2021
24	Kirdan (shipwright)	1	124	1	0	1	147	15 Jan 2021
25	Novikov (PNA921)	1	116	1	0	1	215	17 Jan 2021
26	Yarovaya Yu.V. (YuliyaYar)	1	22	1	0	1	1900	14 Jan 2021
27	alieksieienko (mustik)	1	1	1	0	1	12693	12 Jan 2021
28	Nekhnaev A.S. (CCSP)	1	1	1	0	1	12838	18 Jan 2021
29	Mukhina (grape1904)	0		0	27	27		14 Jan 2021
30	Bondarev (LoneWald)	0		0	22	22		13 Jan 2021
31	Abramova A.K. (finder_of_adventures)	0		0	21	21		15 Jan 2021
32	karpov S.D. (iamgroot)	0		0	19	19	4522	16 Jan 2021
33	Gandilyan (DavidGh)	0		0	19	19		15 Jan 2021
34	Korabliova (Ertruda_82)	0		0	19	19		13 Jan 2021
35	Petrov (Tw0nky)	0		0	17	17	4915	18 Jan 2021
36	Nesterov A.A. (malbu87)	0		0	17	17		12 Jan 2021
37	Krasavina A. (ms.poxer)	0		0	16	16	12840	18 Jan 2021
38	Doloz (takeonfaith)	0		0	16	16		14 Jan 2021
39	Sadovskij V. (savip74)	0		0	13	13	5074	17 Jan 2021
40	Myzuka N.I. (Nazarii Myzuka)	0		0	13	13	5075	16 Jan 2021
41	Chursinov (Komradov)	0		0	12	12	5219	18 Jan 2021
42	Odud V.O. (Vadim Odud)	0		0	11	11	5352	16 Jan 2021
43	Naum (MrSerg91)	0		0	11	11	5353	17 Jan 2021
44	Rovnyk M. (MaksymRovnyk)	0		0	11	11	5354	16 Jan 2021
45	Ivanova (kosmelena)	0		0	11	11	5355	16 Jan 2021
46	Yara1234 (Betalll)	0		0	11	11	5356	16 Jan 2021
47	Gopko (Met5)	0		0	11	11	5361	16 Jan 2021
48	Dudnik R. (rarog_)	0		0	11	11	5363	17 Jan 2021
49	Grubina E. (Hrubina_Olena)	0		0	11	11	5364	17 Jan 2021
50	Fedorenko I. (Iryna8888)	0		0	11	11	5365	17 Jan 2021
51	Yuriv A. (Anna_Yuriv)	0		0	11	11	5366	17 Jan 2021
52	Zharuk S.S. (sizhar)	0		0	11	11	5368	17 Jan 2021
53	Rudenko N.A. (Rudenko Nikita)	0		0	11	11	5369	18 Jan 2021
54	Pavlova (Pavlovayuliua)	0		0	11	11	5370	18 Jan 2021
55	Usachev A.M. (41u2)	0		0	11	11		12 Jan 2021
56	Vajn (s_ssha)	0		0	11	11		18 Jan 2021
57	Shubenkov (Gahare)	0		0	11	11		18 Jan 2021
58	Mak A. (alinamak1)	0		0	9	9	5834	15 Jan 2021
59	Sokol R. (Pup$ik)	0		0	9	9	5835	16 Jan 2021
60	Mikhaylova O.E. (oksdnua)	0		0	9	9	5836	18 Jan 2021
61	Doe (mySqlLearn)	0		0	9	9	5837	17 Jan 2021
62	Karpovich (studentOlja)	0		0	9	9	5838	18 Jan 2021
63	Miroshnichenko D. (Dimaice7M)	0		0	9	9	7358	16 Jan 2021
64	Ivanova D.A. (darenau)	0		0	9	9	8368	18 Jan 2021
65	Zorina V. (vikzor)	0		0	9	9	8375	17 Jan 2021
66	Fattakhova (burnout2)	0		0	9	9	8376	17 Jan 2021
67	Skl (Art Skl)	0		0	8	8	6050	18 Jan 2021
68	Tandelova M.V. (Tandelova)	0		0	8	8	6051	18 Jan 2021
69	Mokhonchuk V.I. (mokhonchuk)	0		0	8	8	6052	18 Jan 2021
70	Ivanovich (silicon_silicon)	0		0	8	8	6053	18 Jan 2021
71	Ostrova E.V. (Helen29)	0		0	8	8	6054	18 Jan 2021
72	Spades J. (Jack Spades)	0		0	8	8	12841	18 Jan 2021
73	Derevyanko A. (Sasha205)	0		0	8	8		13 Jan 2021
74	Trave S.Y. (Trave)	0		0	8	8		12 Jan 2021
75	Lyudmila (Mila8)	0		0	7	7	6304	17 Jan 2021
76	Snigur S. (SnigurS)	0		0	7	7	6305	18 Jan 2021
77	Doroshenko N.O. (dorosh2203)	0		0	7	7	6306	18 Jan 2021
78	velumani S. (sharmiv)	0		0	7	7		14 Jan 2021
79	Vlasov S.A. (serafeam14)	0		0	7	7		18 Jan 2021
80	Bogachyova (Mira_De)	0		0	6	6	6628	17 Jan 2021
81	Shibanov A. (MOLODEC1337)	0		0	6	6	6629	17 Jan 2021
82	Gunia H.N. (Gunia)	0		0	5	5	7360	17 Jan 2021
83	Yarullin R.M. (ren_ren)	0		0	5	5	7361	17 Jan 2021
84	Prudkij A.F. (Prudkoy)	0		0	5	5	7362	18 Jan 2021
85	Shestakova S.V. (FireyHorse)	0		0	5	5		18 Jan 2021
86	Potemkin S.S. (plo8pol)	0		0	5	5		18 Jan 2021
87	Muratov (aethoeix)	0		0	5	5		18 Jan 2021
88	Gaibov D.R. (xterra)	0		0	5	5		13 Jan 2021
89	Blokhin A.S. (YHWH)	0		0	5	5		15 Jan 2021
90	K I. (IgVK)	0		0	4	4	8051	18 Jan 2021
91	Bezzubikov K. (skizel)	0		0	4	4		13 Jan 2021
92	Filatov A.K. (datadrain)	0		0	4	4		11 Jan 2021
93	Pulenko (aloan)	0		0	4	4		14 Jan 2021
94	Usenko A. (Htyphoon3)	0		0	3	3	8369	16 Jan 2021
95	Efremov (Dimitrello)	0		0	3	3	8370	16 Jan 2021
96	Morokov M.L. (Maaax)	0		0	3	3	8371	17 Jan 2021
97	Kitova (katayasa)	0		0	3	3	8372	16 Jan 2021
98	Veselovsky (5454mav)	0		0	3	3	8373	16 Jan 2021
99	Ivanov (altalex)	0		0	3	3	8374	18 Jan 2021
100	Trekhlєbov S.A. (agat.70)	0		0	3	3	8377	18 Jan 2021
101	Plot A.P. (Roonitskiy)	0		0	3	3	8378	17 Jan 2021
102	Burkhanov A. (Azatick94)	0		0	3	3		17 Jan 2021
103	Suslikova (Kentastish)	0		0	3	3		13 Jan 2021
104	Bolshakov A. (TheOpeweks)	0		0	3	3		15 Jan 2021
105	Kasatkin N.O. (MamaZarugaet)	0		0	3	3		17 Jan 2021
106	Szudof S.S. (Szudof1)	0		0	3	3		13 Jan 2021
107	Fursaev K.V. (Kill_Fv)	0		0	3	3		14 Jan 2021
108	Tobe (Bouson)	0		0	3	3		12 Jan 2021
109	Galkina E. (Evgeniya011)	0		0	3	3		18 Jan 2021
110	mero (yoyadima)	0		0	3	3		16 Jan 2021
111	Koteeva A. (fypfypfyp)	0		0	2	2	9317	16 Jan 2021
112	Scheka S.A. (Jojob)	0		0	2	2	9318	16 Jan 2021
113	Aleksandrov (kotya55566666666666)	0		0	2	2	9319	16 Jan 2021
114	Shulyakovskaya D. (oroka)	0		0	2	2	9320	17 Jan 2021
115	Biryulev A. (Arobotik)	0		0	2	2	9321	18 Jan 2021
116	Hold U. (holdus777)	0		0	2	2	9322	18 Jan 2021
117	Raimov Kh.Sh. (khasannn)	0		0	2	2	9323	18 Jan 2021
118	Shapovalyuk (shapart)	0		0	2	2		12 Jan 2021
119	Taran D.N. (denistaranchik)	0		0	2	2		14 Jan 2021
120	Ivanova (irina90ivanova)	0		0	2	2		13 Jan 2021
121	Khinovskaya N. (moriiska)	0		0	2	2		12 Jan 2021
122	Kustova (Bastyakust1)	0		0	2	2		13 Jan 2021
123	Ivanov (Alexmen)	0		0	2	2		18 Jan 2021
124	Arzamasov M.A. (Michael.Arz)	0	78	0	1	1	459	14 Jan 2021
125	stepanenko (katruca)	0		0	1	1	12833	15 Jan 2021
126	What ? (little_drugster)	0		0	1	1	12834	16 Jan 2021
127	Ezerskij V.I. (VladimiEze)	0		0	1	1	12835	16 Jan 2021
128	Petrushevska M. (PMagdalena)	0		0	1	1	12836	17 Jan 2021
129	Shilay (Artiom1996q1)	0		0	1	1	12837	17 Jan 2021
130	Kartashev S.A. (Sekekeke)	0		0	1	1	12839	17 Jan 2021
131	Shelf T. (TendererShelf)	0		0	1	1		18 Jan 2021
132	Belyaev D.K. (Dmitr_Bel1)	0		0	1	1		11 Jan 2021
133	Erofeev E. (EgorErofeev)	0		0	1	1		14 Jan 2021
134	Simple (simpleton)	0		0	1	1		13 Jan 2021
135	Ivanov (puff77)	0		0	1	1		12 Jan 2021
136	Morozov A. (loc743)	0		0	1	1		16 Jan 2021

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