Last week rating | SQL Exercises

December 12, 06:07 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: 12375

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Rebrin A. (Hydra86)	7	63	15	7	22	902	10 Dec 2019
2	Gnusov L.Yu. (Delan)	7	43	14	0	14	1106	11 Dec 2019
3	Mikhed (am37)	8	28	12	0	12	2097	11 Dec 2019
4	Mikhailov S. (curiouser)	3	67	9	0	9	460	11 Dec 2019
5	Stepanov M. (matthewz)	3	25	7	0	7	1567	11 Dec 2019
6	Ryabtsev S. (Thirstz)	4	11	6	0	6	2459	09 Dec 2019
7	Kirilov A.V. (Arbaiter)	3	71	5	0	5	672	12 Dec 2019
8	Levi (Levi1112)	4	31	5	0	5	1406	09 Dec 2019
9	Igumnov (HermanI)	3	27	4	0	4	2750	08 Dec 2019
10	Samirkhanov R. (JumY)	3	3	4	0	4	7669	11 Dec 2019
11	Gorbatenkov E.N. (Willy Sipet)	3	3	4	0	4	7679	11 Dec 2019
12	Morgunova L. (amfisbena)	1	86	3	0	3	390	11 Dec 2019
13	Smol'nikova M.A. (fora)	1	66	3	0	3	665	07 Dec 2019
14	Yanin M.Yu. (Mikhkha)	1	38	3	0	3	1207	11 Dec 2019
15	Vasyaeva N.A. (V_Natali)	2	96	2	0	2	305	11 Dec 2019
16	Komov K.N. (zigmund1)	1	67	2	0	2	605	10 Dec 2019
17	Fedakov (Aleks2019)	1	2	2	0	2	3361	11 Dec 2019
18	Poltorakin (poltorakin)	2	19	2	0	2	3802	11 Dec 2019
19	Mazin Yu.A. (Postavte76)	1	1	2	0	2	8966	11 Dec 2019
20	Mikhajlov (mahasl)	1	1	1	3	4	7666	09 Dec 2019
21	Zmeev A.V. (Aleksandp)	1	25	1	0	1	1378	10 Dec 2019
22	Ivanov (sayd)	1	1	1	0	1	7616	06 Dec 2019
23	Ivanov A. (san4ezzz8)	1	1	1	0	1	12233	06 Dec 2019
24	Tar... (Alexius595)	0		0	27	27	3630	10 Dec 2019
25	Dok (Anton Dok)	0		0	27	27	3631	11 Dec 2019
26	mir I.X. (eblarot)	0		0	27	27	4035	09 Dec 2019
27	Beardbr (Creatime)	0		0	27	27		07 Dec 2019
28	Parhoc K. (kostr2728)	0		0	22	22	4915	11 Dec 2019
29	Pronin P.S. (proninpaul)	0		0	20	20	4542	11 Dec 2019
30	1 (sequeldummy)	0		0	17	17	4541	10 Dec 2019
31	Khamidullin K. (K1977)	0		0	17	17	4543	11 Dec 2019
32	Gobejishvili T. (tak00)	0		0	16	16	4614	11 Dec 2019
33	Rykachev E.M. (egroni)	0		0	14	14	4772	08 Dec 2019
34	Zyablikova A.S. (Logo)	0		0	13	13	4914	07 Dec 2019
35	Cliusnicov M.G. (Mashulika87)	0		0	11	11	5187	07 Dec 2019
36	Gubareva A.A. (fannette)	0		0	11	11	5190	10 Dec 2019
37	Golubeva N.P. (Nataly_Golubika)	0		0	11	11	5191	08 Dec 2019
38	Manaenkova (LesiaK)	0		0	11	11	5196	12 Dec 2019
39	Ser O. (SqWo)	0		0	11	11		05 Dec 2019
40	Rozen S. (refract)	0		0	11	11		05 Dec 2019
41	Vynar N. (nazarV)	0		0	10	10	5500	08 Dec 2019
42	Konovalova V.D. (Vikuskonov)	0		0	9	9	5669	07 Dec 2019
43	Perevoznikova A.K. (perevoznikova16101998)	0		0	9	9	5670	07 Dec 2019
44	Ushakov M. (MykolaUshakov)	0		0	9	9	5671	11 Dec 2019
45	Viacheslav M.M. (Nyushka23)	0		0	9	9	5672	08 Dec 2019
46	Kovalyk O.K. (Helen1357)	0		0	9	9	5673	08 Dec 2019
47	Kharlamova (tasecka)	0		0	9	9	5674	08 Dec 2019
48	M D.N. (Dianneonly)	0		0	9	9	5675	07 Dec 2019
49	Bychkova (VioletCocoa)	0		0	9	9	5676	08 Dec 2019
50	Panasenko I.P. (Ivan_Panasenko)	0		0	9	9	5677	08 Dec 2019
51	Sikorskaya A. (AlinaSi)	0		0	9	9	5678	10 Dec 2019
52	Kolesnikov R.V. (Youglik)	0		0	9	9	5679	11 Dec 2019
53	Kovalenko (kkovalenkoo)	0		0	9	9	5680	11 Dec 2019
54	Cherneta (wabbajack)	0		0	9	9	5681	11 Dec 2019
55	Nikitin A. (dfg81)	0		0	9	9	5682	11 Dec 2019
56	hrekov V. (Joker01)	0		0	9	9	5683	11 Dec 2019
57	Sunlya A.A. (yuudachi)	0		0	9	9	5863	07 Dec 2019
58	Pimenov K.K. (Kasandr122)	0		0	9	9	7761	11 Dec 2019
59	Repin V.A. (VladSQLuv)	0		0	9	9	7762	10 Dec 2019
60	Musagaliev S.V. (Musagalief)	0		0	9	9	8071	11 Dec 2019
61	Gubanov (Denis_420)	0		0	9	9	8960	07 Dec 2019
62	Kozlova V.A. (valerij_Roza)	0		0	9	9	8967	11 Dec 2019
63	korshun Y.V. (yuliiakorshun0608)	0		0	9	9		11 Dec 2019
64	kovaleva V.S. (valuxa)	0		0	9	9		09 Dec 2019
65	Makarenko D.I. (makareyka97)	0		0	9	9		07 Dec 2019
66	Leonov D.A. (LeonovDA)	0		0	9	9		05 Dec 2019
67	Yartsev Yu. (Yury66)	0	97	0	8	8	280	11 Dec 2019
68	Ushakova A.I. (ushakova89144366751)	0		0	8	8	5862	07 Dec 2019
69	Sencha N. (Tasha1407)	0		0	8	8	5864	07 Dec 2019
70	Swagla A. (gitarist)	0		0	8	8	5865	09 Dec 2019
71	Yuras O. (Yuras Olia)	0		0	8	8	5866	09 Dec 2019
72	Komissarov (Maks90)	0		0	8	8	5867	08 Dec 2019
73	Bildebaeyev D.K. (ssks)	0		0	8	8	5868	10 Dec 2019
74	Ivanenko A. (Rexan_1235)	0		0	8	8	5869	11 Dec 2019
75	DOSBEK G. (GDOSBEK)	0		0	8	8	5870	12 Dec 2019
76	Mamisashvili E. (Erekle41)	0		0	8	8	7090	07 Dec 2019
77	Medvedchuk A. (iscariot)	0		0	8	8		09 Dec 2019
78	Mazka O.A. (mazkaolga)	0		0	8	8		06 Dec 2019
79	Vojteshonok V.A. (KingMalekith)	0		0	7	7	6074	08 Dec 2019
80	Guseva N. (1502136)	0		0	7	7	6075	10 Dec 2019
81	Doschechko A.A. (ShAlina)	0		0	7	7	6076	10 Dec 2019
82	Abdullayev S.K. (Yuuuna)	0		0	7	7	6077	10 Dec 2019
83	Titenkova G. (nekokitty)	0		0	7	7	6078	11 Dec 2019
84	Ignatov (mockingbird1)	0		0	7	7	6079	11 Dec 2019
85	ghost (ghost12)	0		0	7	7	6080	11 Dec 2019
86	Kavalei D.V. (DonegaL)	0		0	7	7	12366	07 Dec 2019
87	Semenova A.A. (Alena S)	0		0	7	7		10 Dec 2019
88	Anatliy (virtes)	0		0	7	7		05 Dec 2019
89	Kharyshyn (khrystyna1304)	0		0	6	6	6395	07 Dec 2019
90	Chetverikov V. (py6ijio)	0		0	6	6	6396	10 Dec 2019
91	Mar'in V.A. (Martin1992)	0		0	6	6	6397	11 Dec 2019
92	Karter (Djon19)	0		0	6	6		06 Dec 2019
93	Dudchak A.V. (AnasAnanas)	0		0	6	6		05 Dec 2019
94	malachivski (_bogdan)	0		0	6	6		05 Dec 2019
95	Levkevich E.M. (LevkevichEM)	0		0	5	5	7088	08 Dec 2019
96	Popova E.V. (precios)	0		0	5	5	7091	07 Dec 2019
97	Fisina V. (Vikushonok)	0		0	5	5	7092	07 Dec 2019
98	Ko (Issu)	0		0	5	5	7093	11 Dec 2019
99	rfw47096@eveav.com V.B. (Bat'kovich)	0		0	5	5	7094	09 Dec 2019
100	Borambayeva A. (20abuca00)	0		0	5	5	7095	10 Dec 2019
101	Nurgali Z. (n1k04a)	0		0	5	5	7096	10 Dec 2019
102	Aleksina A.O. (AleksinaA)	0		0	5	5	7097	11 Dec 2019
103	Lesin B.A. (Frugtoy)	0		0	5	5	7098	11 Dec 2019
104	Zdanevich A.V. (Zdanevich)	0		0	5	5	7099	11 Dec 2019
105	Feilo N. (natafe12345)	0		0	4	4	7752	08 Dec 2019
106	hnypiuk V.V. (vasyl2019)	0		0	4	4	7753	07 Dec 2019
107	Z (Krissty QA Course)	0		0	4	4	7754	08 Dec 2019
108	Oprea R.C. (Radutu)	0		0	4	4	7755	07 Dec 2019
109	MU (YONAA)	0		0	4	4	7756	08 Dec 2019
110	Tiurin A. (SpaceOfVariation)	0		0	4	4	7757	07 Dec 2019
111	Voronin V. (Viacheslavv)	0		0	4	4	7758	07 Dec 2019
112	Dubova N. (Dubova N.)	0		0	4	4	7759	07 Dec 2019
113	Aprotskij (misha/a)	0		0	4	4	7760	08 Dec 2019
114	Puzanov (dpuzanov)	0		0	4	4	7763	10 Dec 2019
115	Peshkov A.M. (Alexey55)	0		0	4	4		06 Dec 2019
116	Yurkovets M.V. (urmax)	0		0	4	4		08 Dec 2019
117	Krasovskij E.A. (pegoopik)	0	270	0	3	3	1	10 Dec 2019
118	Chernov D.V. (Kursist)	0	268	0	3	3	5	12 Dec 2019
119	Stal'makhova A. (propellerjet)	0		0	3	3	8058	07 Dec 2019
120	Varenik A. (Andrey_Glor)	0		0	3	3	8059	07 Dec 2019
121	m D. (dianneonly@gmail.com)	0		0	3	3	8060	07 Dec 2019
122	bsfd A.A. (bandit228)	0		0	3	3	8061	07 Dec 2019
123	Desyukevich (Sklog)	0		0	3	3	8062	08 Dec 2019
124	Gold E.V. (Katya000)	0		0	3	3	8063	08 Dec 2019
125	Kalmykov A. (VolDr)	0		0	3	3	8064	08 Dec 2019
126	Zadunajskaya N.V. (natalia_1)	0		0	3	3	8065	09 Dec 2019
127	somov P.E. (speedwagon)	0		0	3	3	8066	09 Dec 2019
128	Kolase P. (Puja42)	0		0	3	3	8067	11 Dec 2019
129	Savin O.V. (flier402)	0		0	3	3	8068	12 Dec 2019
130	Naumenko N.M. (Nastasya94)	0		0	3	3	8069	11 Dec 2019
131	Potapov V.P. (SilenTHunteRVAD)	0		0	3	3	8070	11 Dec 2019
132	Akhtiamova A. (angel_lis)	0		0	3	3	8073	11 Dec 2019
133	Volkov N. (alphavolkov)	0		0	3	3	8074	11 Dec 2019
134	Troshko M. (Masha232)	0		0	3	3	8075	11 Dec 2019
135	Skvarnik M.V. (Chernobyl'skij_Yozh)	0		0	3	3	8076	11 Dec 2019
136	MD M.M. (MD90)	0		0	3	3	8077	11 Dec 2019
137	Galanda Ya. (YakubGalanda)	0		0	3	3	8078	11 Dec 2019
138	Kateshov I.K. (KateshovI)	0		0	3	3	8079	11 Dec 2019
139	Lazarev N. (Insaneasd1)	0		0	3	3		06 Dec 2019
140	Danchyshyn Y.Y. (george98)	0		0	3	3		05 Dec 2019
141	Gorbachev A.A. (Melorn)	0		0	3	3		09 Dec 2019
142	Fger S.H. (Svyat123)	0		0	3	3		05 Dec 2019
143	Moroz T.I. (4YesNo4Ok)	0		0	3	3		10 Dec 2019
144	Leont'eva M.A. (leomash)	0		0	3	3		06 Dec 2019
145	Kuvaldin K.Yu. (228kostian228)	0		0	2	2	8958	07 Dec 2019
146	M D. (mdcool)	0		0	2	2	8959	07 Dec 2019
147	nzou C. (krystal)	0		0	2	2	8961	08 Dec 2019
148	Khiropulos (RomanSPb19)	0		0	2	2	8962	09 Dec 2019
149	balandin (pupuk)	0		0	2	2	8963	09 Dec 2019
150	Pugachev E. (Pugachev-Evgeny)	0		0	2	2	8964	10 Dec 2019
151	Ryabov K.I. (chachazooms)	0		0	2	2	8965	11 Dec 2019
152	Bessonov (ilya30)	0		0	2	2		05 Dec 2019
153	Levchenko E. (levchenkoea88)	0		0	2	2		11 Dec 2019
154	Pushkin K.P. (Koct03)	0		0	2	2		05 Dec 2019
155	Yakovleva T.V. (YakovlevaT)	0		0	1	1	12365	07 Dec 2019
156	Moskalenko D.M. (Dener)	0		0	1	1	12367	09 Dec 2019
157	sparker (spark666)	0		0	1	1	12368	08 Dec 2019
158	Borodina (Nairish)	0		0	1	1	12369	09 Dec 2019
159	Lapitskaya A. (Allapi)	0		0	1	1	12370	09 Dec 2019
160	Voronkin V.A. (izza_briggs)	0		0	1	1	12371	10 Dec 2019
161	Monika (monikamm)	0		0	1	1	12372	11 Dec 2019
162	Posheluz K. (lebo)	0		0	1	1	12373	10 Dec 2019
163	Fouren G.I. (vetalique)	0		0	1	1	12374	11 Dec 2019
164	Narbut V. (narbut_valeria)	0		0	1	1	12375	11 Dec 2019
165	Yaruta (V123ictoria)	0		0	1	1		05 Dec 2019
166	Pal'chevskij K.A. (Kiryl.Palcheuski)	0		0	1	1		09 Dec 2019
167	Petrov (OlegatorPetrov)	0		0	1	1		11 Dec 2019
168	Volchenko (Uchenik2020)	0		0	1	1		10 Dec 2019

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