Last week rating | SQL Exercises

November 21, 07:14 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: 12325

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Kirilov A.V. (Arbaiter)	8	56	18	0	18	946	21 Nov 2019
2	karapetyan M.K. (ZloyZloy)	8	13	10	0	10	4484	20 Nov 2019
3	Babadzhanyan G. (Murlokotam)	6	10	8	0	8	2580	15 Nov 2019
4	silva A.P. (wizardsk8)	6	6	8	0	8	3023	21 Nov 2019
5	Stepanov M. (matthewz)	5	18	7	0	7	1963	20 Nov 2019
6	Gireiko E. (Zubryonok)	2	77	5	0	5	385	18 Nov 2019
7	Litvinov V.V. (NewsMan)	3	79	5	0	5	386	20 Nov 2019
8	Batarejkin E. (cray3000-)	4	25	5	0	5	1307	20 Nov 2019
9	Igumnov (HermanI)	3	18	5	0	5	3886	16 Nov 2019
10	Yartsev Yu. (Yury66)	1	88	3	0	3	348	19 Nov 2019
11	Shabanov R.R. (Vertel)	1	41	3	0	3	1146	15 Nov 2019
12	Drelaswyn (Drelaswyn)	1	23	3	0	3	1681	16 Nov 2019
13	Smirnov A.V. (Valentinovich)	2	15	3	0	3	2131	17 Nov 2019
14	Lyapkalo M.V. (Mikhalych7)	2	2	3	0	3	7832	19 Nov 2019
15	Zolotarev A.V. (AlvZ)	2	2	3	0	3	7867	20 Nov 2019
16	Basmanov A. (3113)	2	2	3	0	3	7927	15 Nov 2019
17	Frolov L.O. (leonidfrolov)	1	1	2	23	25	4279	20 Nov 2019
18	Gnusov L.Yu. (Delan)	2	27	2	0	2	1518	20 Nov 2019
19	Gulyaev A.G. (Gulyaev Aleksandr)	1	9	2	0	2	2596	20 Nov 2019
20	Sal K.S. (Kseksekse)	1	14	2	0	2	2597	14 Nov 2019
21	Melekhov A.A. (Melekhov_Artem)	1	1	2	0	2	8815	20 Nov 2019
22	Penchuk D. (last_boy_scout)	1	1	2	0	2	8920	18 Nov 2019
23	Voityk R.Z. (rvoit21)	1	1	1	17	18	4476	20 Nov 2019
24	Dudochkin A. (dandr)	1	87	1	0	1	402	15 Nov 2019
25	Radin P.L. (RadinPL)	1	66	1	0	1	649	16 Nov 2019
26	Levi (Levi1112)	1	27	1	0	1	1501	19 Nov 2019
27	Baskakova M. (baskak)	1	2	1	0	1	3437	18 Nov 2019
28	Martel'/Oshkin V. (DimVla1)	1	1	1	0	1	12319	16 Nov 2019
29	Moravskyi R. (r.moravskyi)	0		0	27	27	3626	20 Nov 2019
30	Vas (Vasl)	0		0	25	25	3817	19 Nov 2019
31	Protasov A. (Aprotasov)	0		0	25	25	3818	20 Nov 2019
32	AngryDev (hrompirate)	0		0	24	24	5502	19 Nov 2019
33	how (davdavdav)	0		0	23	23	4031	18 Nov 2019
34	Skoropad N.R. (Naza_S)	0		0	23	23	4032	20 Nov 2019
35	Bilovus M. (Makcumko)	0		0	23	23	4033	19 Nov 2019
36	Sipyak R.R. (Daisy22)	0		0	23	23	4034	20 Nov 2019
37	Tupikin N.N. (Tosyan13)	0		0	23	23	4035	20 Nov 2019
38	Polinjak (KseniaVerheles)	0		0	20	20	4280	20 Nov 2019
39	Sorokina E.A. (EkaterinaSorokina)	0		0	20	20	4281	20 Nov 2019
40	Karpenko A.A. (AlinaUsenko92)	0		0	20	20	4282	20 Nov 2019
41	Kopach A.O. (andriikopach)	0		0	20	20	4283	20 Nov 2019
42	Kelt A. (kiwismoose)	0		0	20	20	5189	18 Nov 2019
43	Posheluz K. (lebo)	0		0	19	19	4391	19 Nov 2019
44	Pustelnyk (Pavlo Pustelnyk)	0		0	18	18	4497	19 Nov 2019
45	Oleg K. (Klymchuk.Oleg)	0		0	17	17	4548	20 Nov 2019
46	Ivanov D. (___denis___)	0		0	17	17	4549	21 Nov 2019
47	Vynar N. (nazarV)	0		0	15	15	5676	19 Nov 2019
48	Barbarych V. (VBarbarych)	0		0	14	14	4776	20 Nov 2019
49	Panchyshyn M. (cyberdragon)	0		0	14	14		20 Nov 2019
50	Nikitin P. (Nikitos_lg)	0		0	13	13	4918	19 Nov 2019
51	Timkіv Yu.V. (Bogmorkovki)	0		0	13	13	5501	17 Nov 2019
52	Skillup2610 (Skillup26101)	0		0	11	11	5186	18 Nov 2019
53	Panskyi T. (Tim_UA)	0		0	11	11	5190	19 Nov 2019
54	Opanasyuk E.M. (EdikOpanasiuk)	0		0	11	11	5191	19 Nov 2019
55	Akhmanbet T.T. (teymuraz050)	0		0	11	11	5192	19 Nov 2019
56	Derkach V.V. (dvv_volodimir)	0		0	11	11	5194	20 Nov 2019
57	Petrov (dimas93)	0		0	11	11	5195	20 Nov 2019
58	Fedko (IvannaFed)	0		0	11	11	5856	18 Nov 2019
59	Savchenko S. (xorvrn)	0		0	11	11	8916	18 Nov 2019
60	Polusmyak L.L. (Pll)	0		0	10	10	5500	15 Nov 2019
61	Andreev Y.S. (YAndreev)	0		0	10	10		19 Nov 2019
62	Kerimov (Yaroslav232)	0		0	9	9	5671	17 Nov 2019
63	Heraschenko P. (gerych_ck)	0		0	9	9	5672	17 Nov 2019
64	Skvotsov І.V. (Sc_Ivan)	0		0	9	9	5673	18 Nov 2019
65	Rodionov V.O. (vlad_rodionov)	0		0	9	9	5674	18 Nov 2019
66	Komar V. (KomarV)	0		0	9	9	5675	19 Nov 2019
67	Agarkova A. (dark_lady)	0		0	9	9	5677	20 Nov 2019
68	erbrj A. (Arhip _Ulia)	0		0	9	9	5678	20 Nov 2019
69	Olikhejko V. (Vyacheslav_Oliheyko)	0		0	9	9	6377	15 Nov 2019
70	Mazur N.P. (TuTnut)	0		0	9	9	7074	17 Nov 2019
71	Mykhailenko A. (msaapple)	0		0	9	9	7724	18 Nov 2019
72	Vladov A.S. (Vladov)	0		0	9	9	7727	19 Nov 2019
73	Lozhkin (SuperLochkin)	0	1	0	8	8	5477	20 Nov 2019
74	qq Q.Q. (anonim1337)	0		0	8	8	5857	19 Nov 2019
75	Parkhomenko B.N. (Parhom28)	0		0	8	8	5858	20 Nov 2019
76	Dobrovolskyi (Sahman_khnpp)	0		0	8	8	6382	20 Nov 2019
77	Tyjk233 (Tyjk233)	0		0	7	7	6061	18 Nov 2019
78	Zavalizshin (V.Zavalishin)	0		0	7	7	6062	20 Nov 2019
79	Timofeeva E.V. (Umrikhina)	0	207	0	6	6	23	20 Nov 2019
80	Gorbatenko A.R. (Romanovna)	0		0	6	6	6378	17 Nov 2019
81	Kozh A. (Varuna)	0		0	6	6	6379	20 Nov 2019
82	Al M. (misha.al)	0		0	6	6	6380	20 Nov 2019
83	Vyimova (Tvyi)	0		0	6	6	6381	19 Nov 2019
84	Sorokin S.A. (TestColor)	0		0	5	5	7073	17 Nov 2019
85	RomanT (RomanTsaryk)	0		0	5	5	7075	19 Nov 2019
86	q ($chicken$)	0		0	5	5		15 Nov 2019
87	Shividova A.A. (adelkaitaly)	0		0	5	5		15 Nov 2019
88	Kozhushko A.A. (Stasca)	0	91	0	4	4	298	15 Nov 2019
89	mike (mike_kirpa)	0		0	4	4	7725	16 Nov 2019
90	Morozov (stasvmk)	0		0	4	4	7728	20 Nov 2019
91	Dzhankulaev I.A. (circassian)	0		0	4	4	7729	20 Nov 2019
92	Inkin (real7)	0		0	4	4	8918	20 Nov 2019
93	Filin V.N. (Valery741)	0		0	4	4	8919	18 Nov 2019
94	Morkovnik (Anselmo)	0		0	4	4		18 Nov 2019
95	Danchyshyn Y.Y. (george98)	0		0	4	4		14 Nov 2019
96	Kondratenko S.S. (Stas2398)	0		0	3	3	8024	16 Nov 2019
97	Schetinin K.A. (KostyaShchetinin)	0		0	3	3	8025	18 Nov 2019
98	Holmskaya A. (suicide blonde)	0		0	3	3	8026	16 Nov 2019
99	Irancova (paira)	0		0	3	3	8027	16 Nov 2019
100	Donald Q.Q. (denis.kubickyqq)	0		0	3	3	8028	17 Nov 2019
101	Musin (Carefor24)	0		0	3	3	8029	17 Nov 2019
102	Nikulshin A. (OloloOloloevich)	0		0	3	3	8030	20 Nov 2019
103	Ermak A.V. (insame23)	0		0	3	3	8031	19 Nov 2019
104	Kotov Yu. (mr.kotoff)	0		0	3	3	8032	19 Nov 2019
105	Shmatkova (mshm)	0		0	3	3	8033	18 Nov 2019
106	arya K. (aryakap)	0		0	3	3	8034	19 Nov 2019
107	Golovanova (Anastasia1999)	0		0	3	3	8035	19 Nov 2019
108	Solomatina (rbtcnbl)	0		0	3	3	8036	20 Nov 2019
109	123 (axt)	0		0	3	3	8037	20 Nov 2019
110	max (lavruk.vova)	0		0	3	3	8038	20 Nov 2019
111	albrecht (olgalbrecht)	0		0	3	3	8039	20 Nov 2019
112	Sadovaya M. (Marina__S)	0		0	3	3	8915	17 Nov 2019
113	Pavlov E.V. (Evgenij_Pavlov)	0		0	3	3		20 Nov 2019
114	Khiropulos (RomanSPb19)	0		0	3	3		19 Nov 2019
115	Madone (Madone)	0		0	2	2	8917	21 Nov 2019
116	kiselyk R. (rkiselyk)	0		0	2	2	8921	20 Nov 2019
117	vdk92 V.V. (zxczxc)	0		0	2	2	8922	20 Nov 2019
118	Svіntsіts'kij S.S. (SIBERIUS)	0		0	2	2	8923	19 Nov 2019
119	Yakubovych R. (Yakubovych)	0		0	2	2	8924	20 Nov 2019
120	Spasskij P.A. (Pavlin999)	0		0	2	2	8925	20 Nov 2019
121	Nechaev (crocish)	0		0	2	2	8926	21 Nov 2019
122	Jonson A. (Pastor_LOL)	0		0	2	2	8927	21 Nov 2019
123	Osnachev (ev.genio)	0		0	2	2		15 Nov 2019
124	R (postlec)	0		0	2	2		15 Nov 2019
125	Merkushev A.V. (Sanchox)	0		0	1	1	12320	16 Nov 2019
126	Khrapunov D. (Denis143)	0		0	1	1	12321	19 Nov 2019
127	Yankevich O.S. (Octavius72)	0		0	1	1	12322	18 Nov 2019
128	Vasil'ev M.S. (Todmay)	0		0	1	1	12324	20 Nov 2019
129	Jovanov (Kiko996)	0		0	1	1	12325	20 Nov 2019
130	Serebrennikov I. (silver1995)	0		0	1	1		14 Nov 2019
131	Ivanov (Max Helios)	0		0	1	1		14 Nov 2019
132	Grishina E.A. (grieliza)	0		0	1	1		15 Nov 2019
133	Ovchinnikov M.S. (Doroshi)	0		0	1	1		15 Nov 2019

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