Last week rating | SQL Exercises

September 18, 05:29 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: 13081

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Il'in A.N. (ani42)	8	122	15	0	15	202	17 Sep 2021
2	Verem (kelleer)	8	8	12	0	12	5280	16 Sep 2021
3	Avdeev A. (Energo-a)	9	15	11	16	27	2177	17 Sep 2021
4	Vinogradov A.Yu. (Ches.evergarden)	7	7	9	0	9	5788	17 Sep 2021
5	Brot V.I. (hex_b)	6	6	9	0	9	5884	16 Sep 2021
6	Verem V.A. (kizaro)	6	6	9	0	9	5897	15 Sep 2021
7	Zubenko A.D. (Aleksandr123999)	6	6	8	0	8	5958	17 Sep 2021
8	Tashtaev B.R. (Batua)	6	6	8	0	8	5959	17 Sep 2021
9	Ten A.S. (Rumus)	6	6	8	0	8	5961	17 Sep 2021
10	Mahammadli M. (mahammadali25)	5	11	7	0	7	4829	17 Sep 2021
11	>Ermagambetov D.A. (Daniyar2021)	5	5	7	0	7	6176	18 Sep 2021
12	Niazdzhanov (Rvkhim)	5	5	7	0	7	6192	15 Sep 2021
13	Mezko O. (o3esh)	5	5	7	0	7	6194	17 Sep 2021
14	Snopkov N.V. (Supreme Patriach)	5	5	7	0	7	6203	14 Sep 2021
15	Mitin (rabmit)	5	5	7	0	7	6204	17 Sep 2021
16	Sergej (Sergovel21)	5	5	7	0	7	6233	17 Sep 2021
17	Pristoya S.N. (pristoya)	5	5	7	0	7	6246	17 Sep 2021
18	Orlova A. (alex_or)	4	4	5	0	5	7041	15 Sep 2021
19	>Gapanovich P.A. (drestar1)	1	86	3	0	3	363	17 Sep 2021
20	Petrashevich N. (NikoPetrich)	2	2	2	5	7	6224	17 Sep 2021
21	Varenikov D.M. (Dmitriy Varenikov)	1	222	2	0	2	19	30 Aug 2021
22	Fedakov A.P. (Aleksa2021)	2	19	2	0	2	1877	15 Sep 2021
23	Mitin D.V. (DarkMoose)	1	6	2	0	2	5902	17 Sep 2021
24	Kost D.K. (lem43)	1	2	2	0	2	8432	16 Sep 2021
25	Abulkhairov Sh.T. (Abulkhairovv)	1	1	2	0	2	9349	17 Sep 2021
26	Stantsel' L.A. (StanLyu)	2	2	2	0	2	9353	16 Sep 2021
27	Zelentsov I.A. (Overcomzi)	1	63	1	0	1	738	15 Sep 2021
28	KATES (KATESATOR)	1	2	1	0	1	3527	17 Sep 2021
29	Trequlov R.M. (ramzess1)	1	1	1	0	1	3687	16 Sep 2021
30	Boyarskij V.A. (ChronoMorzh)	1	2	1	0	1	8452	17 Sep 2021
31	Skorikov (Vatterils)	1	1	1	0	1	12879	12 Sep 2021
32	Jobs F. (SQL-Penetrator)	1	1	1	0	1	12930	17 Sep 2021
33	Karapetyan G.G. (grant87)	1	1	1	0	1	13052	12 Sep 2021
34	Goryaev A.F. (shacal_72)	1	1	1	0	1	13068	16 Sep 2021
35	Gatenadze V.Sh. (gaten1952)	1	1	1	0	1	13078	17 Sep 2021
36	Aitzhanov (alef-)	1	1	1	0	1	13079	17 Sep 2021
37	Khisamov A.Z. (BeeMan)	0		0	27	27		16 Sep 2021
38	Efremenkov (xio518)	0		0	23	23		17 Sep 2021
39	Mazur B.M. (Faded_7)	0		0	23	23		16 Sep 2021
40	Egor S. (SkobelevEE)	0		0	23	23		16 Sep 2021
41	Kurnosov A.L. (kurant)	0		0	23	23		17 Sep 2021
42	Kritinina A. (NastyaKrit)	0		0	21	21		17 Sep 2021
43	Akulov I.A. (iliaa)	0		0	15	15		17 Sep 2021
44	Shudrik S.O. (Sasha013)	0		0	11	11		12 Sep 2021
45	Kuplinov P.A. (mihaikn)	0		0	11	11		18 Sep 2021
46	Selyantnov D.S. (DimaS3132)	0		0	11	11		16 Sep 2021
47	Lazarkova O. (lazarkova)	0		0	11	11		13 Sep 2021
48	Kalіnovs'ka M.V. (mepuaji)	0		0	11	11		13 Sep 2021
49	Kinash M.M. (KMM2021)	0		0	11	11		13 Sep 2021
50	Kulish Y. (YAHYW1)	0		0	9	9		14 Sep 2021
51	Kvetko N.V. (Kvetka)	0		0	9	9		17 Sep 2021
52	Markelov (Lutich)	0		0	9	9		11 Sep 2021
53	Nina N.N. (Nina3)	0		0	9	9		11 Sep 2021
54	Tupikin V. (PieWithCherry)	0		0	9	9		15 Sep 2021
55	L A.V. (AndreyLV7)	0		0	9	9		15 Sep 2021
56	Ferraro J. (magnatm)	0		0	9	9		17 Sep 2021
57	Chernyavskij S.E. (SergeyChe)	0		0	8	8		15 Sep 2021
58	Nazarenko (21Fouks2105)	0		0	8	8		11 Sep 2021
59	Buturlak E.A. (janik_godev)	0		0	8	8		16 Sep 2021
60	Shapoval A.V. (qushky)	0		0	7	7		15 Sep 2021
61	Kuznetsov A.V. (Katooloo)	0		0	6	6		17 Sep 2021
62	CAI A. (7re1)	0		0	6	6		17 Sep 2021
63	Grischenko A.Yu. (zakarmoy1994)	0		0	6	6		15 Sep 2021
64	Nikitin S.A. (stas_sql)	0		0	6	6		16 Sep 2021
65	Pet (Lilia5896)	0		0	6	6		12 Sep 2021
66	Bakurov V. (camper_vas)	0		0	6	6		17 Sep 2021
67	Schipanov M.V. (Niksen)	0		0	5	5	13081	17 Sep 2021
68	Dubinin S. (FollowingTheFears)	0		0	5	5		11 Sep 2021
69	selva N.S. (NIJAN)	0		0	5	5		15 Sep 2021
70	Vegas A.M. (T_12_14_16)	0		0	5	5		12 Sep 2021
71	Katkalo I.I. (ilonakatkalo)	0		0	5	5		13 Sep 2021
72	Smirnov D.V. (densv97)	0		0	4	4	8189	17 Sep 2021
73	Krotik N.A. (krotikN)	0		0	4	4	13080	17 Sep 2021
74	Get'man T. (kvanza)	0		0	4	4		11 Sep 2021
75	Karachevtsev A.E. (sshck22)	0		0	4	4		16 Sep 2021
76	Shakkevich (shakke)	0		0	4	4		17 Sep 2021
77	Smol'kina S.A. (Rosette)	0		0	4	4		17 Sep 2021
78	Zaretski (zaretskin)	0		0	4	4		13 Sep 2021
79	teplyk (danya88)	0		0	4	4		13 Sep 2021
80	Starodub A.Ya. (cvbdstdvc)	0		0	4	4		14 Sep 2021
81	Turik E.V. (Alena Turyk)	0		0	3	3	8515	17 Sep 2021
82	Kowalski J.A. (Rav8)	0		0	3	3		15 Sep 2021
83	Bezkluba N.V. (NataBezkluba)	0		0	3	3		12 Sep 2021
84	Martynau M.V. (Maksim_Martynau)	0		0	3	3		17 Sep 2021
85	Pris M.S. (MSP4321)	0		0	3	3		12 Sep 2021
86	Afarinov E.B. (FkashRoyall)	0		0	3	3		12 Sep 2021
87	Pashneva A.V. (Rokki)	0		0	3	3		14 Sep 2021
88	BEZKLUBA N. (N.Bezkluba)	0		0	3	3		13 Sep 2021
89	Tsoy (n.leem)	0		0	3	3		17 Sep 2021
90	Rogova E.A. (evgenija84)	0		0	3	3		15 Sep 2021
91	Kramarchuk O.A. (Olya Kramarchuk)	0		0	3	3		15 Sep 2021
92	Popova M. (Manya Popova)	0		0	3	3		16 Sep 2021
93	Khanenko E. (Ekaterina_Khanenko)	0		0	3	3		11 Sep 2021
94	wkejfkfwejf (jraglirjg)	0		0	3	3		17 Sep 2021
95	Shevchenko A.S. (dmza)	0		0	3	3		14 Sep 2021
96	Vladislav (Vladislav-G)	0		0	3	3		16 Sep 2021
97	Romanov A. (n1trochange)	0		0	3	3		14 Sep 2021
98	Cherkasov A.M. (alexcher)	0		0	3	3		17 Sep 2021
99	Andrienko A.P. (Xotabuch)	0		0	3	3		15 Sep 2021
100	Blokhin (101010111)	0		0	3	3		15 Sep 2021
101	Rubchev D. (Rubchev)	0		0	3	3		15 Sep 2021
102	Orlov (Slimelove)	0		0	3	3		15 Sep 2021
103	Chunakova (natasha_ch)	0		0	3	3		14 Sep 2021
104	Razdol'skaya I. (nevernerves)	0		0	3	3		15 Sep 2021
105	Lan (dhdhdfkx1)	0		0	3	3		17 Sep 2021
106	Startseva L. (Leila)	0		0	3	3		12 Sep 2021
107	Trekov N.S. (NickolaQ)	0		0	3	3		14 Sep 2021
108	Khisamov R.I. (RinatKh)	0		0	3	3		17 Sep 2021
109	Filipas I.M. (Axocopan)	0	63	0	2	2	401	12 Sep 2021
110	Lukmanova T. (tmign)	0		0	2	2		12 Sep 2021
111	fvfvb (krik2)	0		0	2	2		11 Sep 2021
112	plusha (Plusha)	0		0	2	2		13 Sep 2021
113	Kochetkov V.S. (kcht)	0		0	2	2		17 Sep 2021
114	Perov A. (Minibuka)	0		0	2	2		17 Sep 2021
115	Kirpa S. (Jeinh)	0		0	2	2		18 Sep 2021
116	Shevchenko A.I. (MannaNebesnaya)	0		0	2	2		14 Sep 2021
117	Lensky A. (AlexLensky)	0		0	2	2		14 Sep 2021
118	Savenkov (kirillsavenkov)	0		0	2	2		12 Sep 2021
119	Pershina (Yayayayayayayaya)	0		0	2	2		13 Sep 2021
120	Novikov (PNA921)	0	124	0	1	1	158	17 Sep 2021
121	bonko (SNUFF)	0		0	1	1	13077	17 Sep 2021
122	Ana (a_ionasco)	0		0	1	1		17 Sep 2021
123	Lo (loannaol)	0		0	1	1		15 Sep 2021
124	Kurganov R.K. (RomanKurgan4444)	0		0	1	1		15 Sep 2021
125	Dragunovskij S.V. (Auslander47)	0		0	1	1		13 Sep 2021
126	Filova E.V. (Filova)	0		0	1	1		17 Sep 2021
127	Koltunevich (mama6a)	0		0	1	1		16 Sep 2021
128	Pravich S. (y35)	0		0	1	1		15 Sep 2021
129	gopireddy B.R. (Balu313)	0		0	1	1		11 Sep 2021
130	Dun A. (Dunyasun)	0		0	1	1		15 Sep 2021
131	Baranova M.A. (lllshilolll)	0		0	1	1		14 Sep 2021

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