Last week rating | SQL Exercises

October 16, 20:37 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: 13149

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Ladanova A.A. (Muzhelozhec)	14	25	21	0	21	2908	16 Oct 2021
2	>Fulman N. (Nir_)	14	15	20	0	20	4376	16 Oct 2021
3	Zakharchenko S. (SergeyZ06)	9	46	17	0	17	1070	15 Oct 2021
4	>Mahammadli M. (mahammadali25)	9	51	16	0	16	989	15 Oct 2021
5	Avdeev A. (Energo-a)	7	44	13	0	13	1120	15 Oct 2021
6	>Sycheva E.S. (EkaterinaSycheva)	10	16	13	0	13	4271	16 Oct 2021
7	Ptashkin G. (Gptashkin)	6	8	8	0	8	2829	16 Oct 2021
8	Pisklova M.V. (rita_pisklova)	5	5	7	0	7	3163	14 Oct 2021
9	Boyarskij V.A. (ChronoMorzh)	3	59	5	0	5	1025	11 Oct 2021
10	>Zubkov A.S. (Atrum)	4	4	5	0	5	7182	16 Oct 2021
11	Shakirova G. (ENDGE)	3	4	4	6	10	4996	15 Oct 2021
12	Rylov A.V. (LexaR2D2)	3	11	4	0	4	4918	15 Oct 2021
13	>Chernov D.V. (Kursist)	1	273	2	0	2	1	16 Oct 2021
14	Koptel'tsev V. (selber)	1	206	2	0	2	30	16 Oct 2021
15	Litvinov V.V. (NewsMan)	1	130	2	0	2	132	14 Oct 2021
16	Gireiko E. (Zubryonok)	1	126	2	0	2	139	15 Oct 2021
17	Gatenadze V.Sh. (gaten1952)	1	20	2	0	2	3754	12 Oct 2021
18	Zhdanov N.S. (n_zhdanov)	1	2	2	0	2	6644	11 Oct 2021
19	D (irina05)	2	2	2	0	2	9413	09 Oct 2021
20	>SmirnOFF (select0r)	1	63	1	0	1	747	16 Oct 2021
21	Masyukevich E. (Terrime)	1	1	1	0	1	3629	15 Oct 2021
22	Kireeva (MariaKir)	1	1	1	0	1	4253	14 Oct 2021
23	Osipov (nickosipov)	1	1	1	0	1	12963	13 Oct 2021
24	X (DJsql)	1	1	1	0	1	12982	16 Oct 2021
25	Tutarkov A. (barmaley19)	1	1	1	0	1	13137	13 Oct 2021
26	Lyalin A.G. (ZaykaBabayka)	1	1	1	0	1	13142	12 Oct 2021
27	>Saakyan A. (Akop)	1	1	1	0	1	13145	16 Oct 2021
28	>T?lebaev T.R. (teemosh)	1	1	1	0	1	13147	16 Oct 2021
29	Ovsyanov A.B. (AndreyOvs)	0		0	27	27	4123	16 Oct 2021
30	Glabay A. (Andrey_Glabay)	0		0	23	23		12 Oct 2021
31	Gr D. (Demon_gr)	0		0	22	22		15 Oct 2021
32	Senchenok G. (GSench)	0		0	20	20		12 Oct 2021
33	Kilchik D. (masterOffTatoo)	0		0	19	19		13 Oct 2021
34	Vasyutina M. (kykyryza2021)	0		0	13	13	5171	16 Oct 2021
35	Dichenko (Dimibor)	0		0	13	13	8231	16 Oct 2021
36	Merinov M. (Tyomnyj)	0		0	13	13		14 Oct 2021
37	Krivoguz V. (Niqos)	0		0	13	13		13 Oct 2021
38	Sherstnikova V.A. (Sherstnikova Valeriya)	0		0	11	11	5468	16 Oct 2021
39	Shavurskyi P.O. (PavloShav)	0		0	11	11		12 Oct 2021
40	Khomenko A. (Gamlet)	0		0	11	11		14 Oct 2021
41	Ivanov M.I. (maximazur)	0		0	11	11		14 Oct 2021
42	Mel'nikova O.A. (Ro-Ro)	0		0	11	11		11 Oct 2021
43	Tanyushin N.D. (nil-1313)	0		0	11	11		11 Oct 2021
44	Gotich M. (hotych)	0		0	10	10		13 Oct 2021
45	Zholudeva E.A. (FuryGale)	0		0	10	10		15 Oct 2021
46	vusik S.M. (Sergo2513)	0		0	9	9	6135	16 Oct 2021
47	Es'kova I.V. (i.v.yeskova)	0		0	9	9		12 Oct 2021
48	Gorbov A.D. (leshagorbov)	0		0	9	9		14 Oct 2021
49	a S.O. (PARABOLA71)	0		0	9	9		15 Oct 2021
50	Holod L.B. (beautybaby)	0		0	9	9		13 Oct 2021
51	Borovik E. (Evgen1977)	0		0	9	9		12 Oct 2021
52	Savchenko O. (OlehSavchenko)	0		0	9	9		11 Oct 2021
53	Kotyliak A. (Aneta15)	0		0	9	9		13 Oct 2021
54	Vdovukhina (Margoska11)	0		0	9	9		12 Oct 2021
55	mozyrskyi (Olejek7149)	0		0	9	9		12 Oct 2021
56	Lyubarskaya A.S. (anna2038)	0		0	9	9		11 Oct 2021
57	Grigoryev I.O. (amai2021)	0		0	9	9		14 Oct 2021
58	Honcharova O. (Oksana#74)	0		0	9	9		13 Oct 2021
59	v V.V. (visiologer)	0		0	9	9		15 Oct 2021
60	Zaparenchuk (SwagLenin)	0		0	8	8		14 Oct 2021
61	Shpakovich T.N. (Tanyu1987)	0		0	8	8		12 Oct 2021
62	Tezin A.M. (alextezin1999)	0	1	0	6	6	4064	15 Oct 2021
63	Nazarov D.D. (Doston02)	0		0	6	6	6790	16 Oct 2021
64	Safin M. (KNOIS)	0		0	6	6		12 Oct 2021
65	Dem K. (kristina1313)	0		0	6	6		11 Oct 2021
66	Marinchuk I.P. (funow)	0		0	6	6		10 Oct 2021
67	Gavris'o D.P. (dmitro.gavriso)	0		0	6	6		10 Oct 2021
68	Sargsyan S.G. (Sedrak)	0		0	6	6		14 Oct 2021
69	Maslov I.A. (imasloff)	0		0	6	6		15 Oct 2021
70	Shcherbina (Alex19883)	0		0	6	6		11 Oct 2021
71	Ivanov (KitSlv)	0		0	5	5	7529	16 Oct 2021
72	Gorozhankin (VGlab)	0		0	5	5		15 Oct 2021
73	Ustimchuk (Foxsunny)	0		0	5	5		12 Oct 2021
74	Suslin Ya.S. (yarikmolekula)	0		0	5	5		13 Oct 2021
75	Zlotnikov A.V. (zl0tn1k0ff)	0		0	5	5		11 Oct 2021
76	Tsuranov E.V. (Tsuranov Eduard)	0	69	0	4	4	522	16 Oct 2021
77	doki D. (dokidoki)	0		0	4	4	8230	16 Oct 2021
78	Nazar K.І. (NARU4)	0		0	4	4		10 Oct 2021
79	Travkin N. (ntravkin)	0		0	4	4		14 Oct 2021
80	Smol'kina S.A. (Rosette)	0		0	4	4		14 Oct 2021
81	Novikov (PNA921)	0	124	0	3	3	152	16 Oct 2021
82	Ganyushkin D.I. (danil148101111)	0	2	0	3	3	4068	15 Oct 2021
83	hA H.H. (Bron234324)	0		0	3	3	8560	16 Oct 2021
84	radchuk (LIDWAR)	0		0	3	3	8561	16 Oct 2021
85	K I.R. (Iryna Kozyreva)	0		0	3	3	8562	16 Oct 2021
86	Polyanskaya V.V. (Pichenka88888888888888888)	0		0	3	3	8563	16 Oct 2021
87	Takanashi (Winter Rayer)	0		0	3	3	13146	16 Oct 2021
88	Maliarenko M. (taverna)	0		0	3	3		16 Oct 2021
89	Yankov I.I. (Vansoch)	0		0	3	3		13 Oct 2021
90	Emel'yanov (EMeJl9l)	0		0	3	3		14 Oct 2021
91	Chum T. (tetchu)	0		0	3	3		13 Oct 2021
92	Petryshak G. (PG1001)	0		0	3	3		15 Oct 2021
93	Fomin A. (fomin11)	0		0	3	3		10 Oct 2021
94	B A.B. (Madrid22)	0		0	3	3		13 Oct 2021
95	Ordik E. (Solnishko2021)	0		0	3	3		14 Oct 2021
96	ivanov A.O. (wind5)	0		0	3	3		16 Oct 2021
97	a P. (xie92484)	0		0	3	3		15 Oct 2021
98	olya O. (Olya.)	0		0	3	3		14 Oct 2021
99	KryaKrya K. (KryaAndreevna)	0		0	3	3		14 Oct 2021
100	Iva (myprac)	0		0	3	3		12 Oct 2021
101	Sivcov (AndreySivcov)	0		0	3	3		12 Oct 2021
102	Chuprov M.S. (Amakan)	0	1	0	2	2	5015	14 Oct 2021
103	Nick D.A. (SlonikdamboWTF)	0		0	2	2		14 Oct 2021
104	moscompass (yanvan)	0		0	2	2		13 Oct 2021
105	Ismailov A. (BackDoorMaN)	0		0	2	2		14 Oct 2021
106	Ovsyannikova O.A. (Olesya Ovsyannikova)	0		0	2	2		13 Oct 2021
107	bonando B.S. (bonando)	0		0	2	2		13 Oct 2021
108	Art (FruitMentos)	0		0	2	2		13 Oct 2021
109	Tester (pofte)	0		0	2	2		15 Oct 2021
110	Poza (Chachan)	0		0	1	1	13148	16 Oct 2021
111	Putyatin (conekta)	0		0	1	1	13149	16 Oct 2021
112	Begishev G. (Pantalon)	0		0	1	1		15 Oct 2021
113	Kovalenko K. (Katya2206)	0		0	1	1		11 Oct 2021
114	Praslova O.I. (Olga2021)	0		0	1	1		12 Oct 2021
115	Voskanyan D.T. (DavidOxy)	0		0	1	1		14 Oct 2021
116	Vasil'ev K.G. (Seinbear)	0		0	1	1		12 Oct 2021
117	Omarova S. (Cvetatylya)	0		0	1	1		15 Oct 2021
118	Drinkwater J. (JackDrinkwater)	0		0	1	1		12 Oct 2021
119	Sharassulov S. (Shakhrukh)	0		0	1	1		14 Oct 2021
120	Zonenko (Zoneserv)	0		0	1	1		10 Oct 2021

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