Last week rating | SQL Exercises

November 27, 19:28 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: 13829

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>OnlyTest (ora_dummy)	21	73	46	0	46	795	27 Nov 2022
2	Semenov I. (IgorSem)	8	25	13	0	13	2208	25 Nov 2022
3	Kislekov (Panzekampfwagen)	6	52	12	0	12	1037	24 Nov 2022
4	>Turpetko R. (Turpetko Roman)	5	80	11	0	11	386	27 Nov 2022
5	ivanov (godmot)	5	6	8	27	35	3071	27 Nov 2022
6	Goncharov G.A. (GGonch)	5	5	7	0	7	6542	26 Nov 2022
7	Ustinova (Sforza)	2	84	5	0	5	364	26 Nov 2022
8	Krasovskij E.A. (pegoopik)	2	266	3	0	3	6	26 Nov 2022
9	Sycheva E.S. (EkaterinaSycheva)	1	64	3	0	3	731	27 Nov 2022
10	Kuznechenkov A. (KapToxA)	2	24	3	0	3	1611	25 Nov 2022
11	>Box (Box)	2	41	2	0	2	1481	27 Nov 2022
12	Emel'yanov K.S. (gipsy)	1	102	1	0	1	269	27 Nov 2022
13	Golubeva (Sutie)	1	73	1	0	1	773	26 Nov 2022
14	Kisur (vik1930)	1	61	1	0	1	899	23 Nov 2022
15	Koshkin I.Yu. (ilya_koshkin)	1	2	1	0	1	5952	22 Nov 2022
16	Bilenchuk A. (S_M_F_D)	1	1	1	0	1	8256	23 Nov 2022
17	S****s (gfkh31)	1	1	1	0	1	13715	25 Nov 2022
18	Afanas'eva Zh. (zhannachan)	1	1	1	0	1	13805
19	Ziyatdinova R.R. (Z_Renatik)	1	1	1	0	1	13828	26 Nov 2022
20	>Korotkov N.S. (MazzDi)	1	1	1	0	1	13829	27 Nov 2022
21	Jafarov B. (J.Bahman)	0		0	27	27		24 Nov 2022
22	Iants V. (Victoria_B)	0		0	22	22		24 Nov 2022
23	Utkin T.S. (Golden Frog)	0		0	20	20	5216	27 Nov 2022
24	Rechkin A.M. (Rechkin Anton)	0		0	19	19		24 Nov 2022
25	Gundobin A.A. (paproach)	0		0	17	17		23 Nov 2022
26	Klyukvina (AnnaKlio)	0		0	17	17		24 Nov 2022
27	Kiseleva E.R. (CorLapus)	0		0	17	17		23 Nov 2022
28	Khmuro (Fumuran)	0		0	14	14		23 Nov 2022
29	sh (stepan122345)	0		0	11	11	5693	26 Nov 2022
30	Syryh (wet gooser)	0		0	11	11		23 Nov 2022
31	Epishkin D.A. (Al'katras)	0		0	11	11		25 Nov 2022
32	Beklenev L.A. (Leonid Beklenev)	0		0	11	11		25 Nov 2022
33	Volokovykh V. (NoN41807)	0		0	11	11		25 Nov 2022
34	Shmonin (Pumoweq1)	0		0	11	11		25 Nov 2022
35	Luzin A. (kartohin)	0	63	0	10	10	644	27 Nov 2022
36	Malov A.V. (daxterfpv)	0		0	9	9	6216	27 Nov 2022
37	weis (pasher229)	0		0	9	9	6217	27 Nov 2022
38	Zamaraev (GZam)	0		0	9	9	6218	27 Nov 2022
39	Fomin (DANffd1)	0		0	9	9		25 Nov 2022
40	Pechenkin I.V. (hector2)	0		0	9	9		23 Nov 2022
41	Rozovskij G. (Grisharozovsky)	0		0	9	9		24 Nov 2022
42	Lazareva E. (Sole Lisa)	0		0	9	9		22 Nov 2022
43	Levin A. (theandrews)	0		0	9	9		25 Nov 2022
44	Par Z.N. (Zinaaaa)	0		0	9	9		21 Nov 2022
45	vorontsova L. (valvoral)	0		0	9	9		22 Nov 2022
46	Bolotova A.A. (leanabol)	0		0	9	9		27 Nov 2022
47	Arzhanov D. (asirisjoy)	0		0	9	9		25 Nov 2022
48	Nekiforov A. (Neke)	0		0	8	8	6413	26 Nov 2022
49	Zizdok S.Z. (ZiS88)	0		0	8	8		22 Nov 2022
50	valenfort V. (Valenfort)	0		0	8	8		22 Nov 2022
51	Bybin E.A. (bybin.ea)	0		0	7	7		23 Nov 2022
52	Batygin A.A. (BatyginAA)	0		0	6	6	7142	27 Nov 2022
53	Dobroserdova D.M. (Darya Dobroserdova)	0		0	6	6		22 Nov 2022
54	Sanches A.P. (sonya marmeladova)	0		0	6	6		22 Nov 2022
55	Gazmagametov A.I. (Ahmad111)	0		0	6	6		22 Nov 2022
56	Ivanov D.A. (Ghost_21)	0		0	6	6		25 Nov 2022
57	Mikryukova (miktat)	0		0	6	6		24 Nov 2022
58	Kondaurova D. (DKond)	0		0	5	5		23 Nov 2022
59	Podrez V.A. (Salatik1)	0		0	4	4	8618	25 Nov 2022
60	Petrov P.P. (KiborgUbijtsa)	0		0	4	4		25 Nov 2022
61	Zhu I.Y. (QuasyStellars)	0		0	4	4		25 Nov 2022
62	Zancanella Pereira C.E. (CarlosZanca03)	0		0	3	3	8972	25 Nov 2022
63	Luibo (lui_bo)	0		0	3	3	8973	26 Nov 2022
64	Nurbol (AsterPol)	0		0	3	3	8974	27 Nov 2022
65	qwertybuilder (qwerty-builder)	0		0	3	3	8975	27 Nov 2022
66	D S. (Skward)	0		0	3	3		23 Nov 2022
67	Gerasimova A. (Alice Rook)	0		0	3	3		23 Nov 2022
68	Konov B.A. (Boirs)	0		0	3	3		25 Nov 2022
69	Abdimanapov O. (Abdiman1)	0		0	3	3
70	Makarochkin I. (Makarochkin)	0		0	3	3		27 Nov 2022
71	Kudash V. (viktoriya_k)	0		0	2	2	10019	25 Nov 2022
72	Molotkov N. (nikhammer)	0		0	2	2		22 Nov 2022
73	Agalarov A. (ALudvick)	0		0	2	2		21 Nov 2022
74	bis C.I. (biscotti)	0		0	2	2		21 Nov 2022
75	Vasil'ev K.A. (EviLJaina)	0		0	2	2		24 Nov 2022
76	Gortlishvili (SVYAKA)	0		0	2	2		22 Nov 2022
77	Kruglyak Ya.V. (Sliva17)	0		0	2	2		22 Nov 2022
78	Mashina E.V. (Neyda4nica)	0		0	2	2		22 Nov 2022
79	Lisitsyn A.G. (UkhKhukh)	0		0	2	2		22 Nov 2022
80	Kuashev B. (BBeQ)	0		0	2	2		22 Nov 2022
81	Cherkasov (CHID19)	0		0	2	2		22 Nov 2022
82	Rozhkova N. (Durindochka)	0		0	2	2		22 Nov 2022
83	Salomatin P.A. (petrovich')	0		0	2	2		22 Nov 2022
84	Pugacheva (Ingochka)	0		0	2	2		27 Nov 2022
85	Myazin I. (ivan.m)	0		0	1	1		24 Nov 2022
86	Meitarchian T. (Skarbo)	0		0	1	1		23 Nov 2022
87	Danilov S.I. (Svyaka)	0		0	1	1		22 Nov 2022
88	Matveev R. (romankm)	0		0	1	1		24 Nov 2022
89	Lulko (gleb007)	0		0	1	1		22 Nov 2022
90	Ivanov A.V. (starwind)	0		0	1	1		23 Nov 2022
91	Khabidullina A.T. (Qwerty56789)	0		0	1	1		23 Nov 2022
92	Perevalov S. (IrishAshen)	0		0	1	1		23 Nov 2022

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