Last week rating | SQL Exercises

July 24, 16:35 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: 12998

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Il'in A.N. (ani42)	10	84	24	0	24	386	23 Jul 2021
2	Yatsenko A.A. (YmKa98)	8	9	13	0	13	2577	22 Jul 2021
3	Ivanovv V.V. (vvaannyaya)	6	18	9	17	26	2351	23 Jul 2021
4	Slepnev S.V. (SergSlep)	3	125	8	0	8	141	23 Jul 2021
5	Yakushev E.A. (Ejhi)	4	52	8	0	8	969	23 Jul 2021
6	Yartsev Yu. (Yury66)	2	128	6	0	6	185	24 Jul 2021
7	Komov K.N. (zigmund1)	2	119	6	0	6	198	22 Jul 2021
8	Dmitrenko (Ben_Fra)	4	7	6	0	6	5718	23 Jul 2021
9	Kajgorodov S. (SK85)	4	5	6	0	6	6262	23 Jul 2021
10	Masalova A.Yu. (Anna Mmmm)	4	4	5	0	5	7135	23 Jul 2021
11	Kalyuzhnyj D.S. (mazepa)	2	103	4	0	4	274	18 Jul 2021
12	Fedevych V.I. (labuch_fedev)	3	197	3	0	3	33	20 Jul 2021
13	Lazareva E. (lea_22)	1	94	3	0	3	323	20 Jul 2021
14	Sigankov V.I. (vasilyvanc)	1	201	2	0	2	30	20 Jul 2021
15	Lyaschenko S.N. (pimen78)	1	86	2	0	2	390	20 Jul 2021
16	Lyovina (Drakolinga)	1	1	2	0	2	9118	22 Jul 2021
17	Kozlov Ya.V. (yarkozlof)	2	2	2	0	2	9358	23 Jul 2021
18	>Bezhaev A.Yu. (Baser)	1	259	1	0	1	7	24 Jul 2021
19	>Yakovlev M.V. (MikhailYakovlev535)	1	138	1	0	1	130	24 Jul 2021
20	Cherpak V.E. (OakTree)	1	65	1	0	1	584	22 Jul 2021
21	Popov S.V. (PopovSV)	1	63	1	0	1	734	20 Jul 2021
22	Boldyrev G.V. (grif85)	1	37	1	0	1	1258	24 Jul 2021
23	Sergej (Sergej_martin)	1	1	1	0	1	12998	21 Jul 2021
24	Abbasl? E.A. (Elkhan212121)	0		0	27	27	7445	24 Jul 2021
25	Bayramova L.L. (BLeman)	0		0	25	25	8462	24 Jul 2021
26	Nalyotov M.V. (AlfaMN)	0		0	25	25	8463	24 Jul 2021
27	Pisklova M.V. (rita_pisklova)	0		0	23	23	6707	23 Jul 2021
28	Kokorev (1ovue)	0		0	22	22		20 Jul 2021
29	Sapozhnikov E. (Eugene.223)	0		0	20	20		23 Jul 2021
30	Samojlov I.D. (Kvegen)	0		0	20	20		19 Jul 2021
31	Wright S. (Stan10203)	0		0	19	19	6708	24 Jul 2021
32	blank G.K. (theaccounts1)	0		0	19	19		24 Jul 2021
33	Latyshau S. (Latysh)	0		0	14	14		23 Jul 2021
34	Sergey (gespeip)	0		0	12	12		19 Jul 2021
35	Boichuk R.T. (Monolit88)	0		0	11	11		19 Jul 2021
36	Sinev I.A. (Sinia)	0		0	11	11		17 Jul 2021
37	Dautov (Jakage)	0		0	11	11		22 Jul 2021
38	Lilia S.S. (Liliya_123456)	0		0	11	11		20 Jul 2021
39	Maslyon S.M. (SergeyMaslyon)	0		0	11	11		20 Jul 2021
40	Blagova P.S. (pauline-blahova)	0		0	11	11		23 Jul 2021
41	Ivanov E. (execte)	0		0	11	11		20 Jul 2021
42	Koposov (Fall Fox)	0		0	11	11		23 Jul 2021
43	Brizhata V.S. (Vitosik04)	0		0	11	11		17 Jul 2021
44	Alekseenko O. (Lexx_kit)	0		0	11	11		18 Jul 2021
45	Glushnyov K.S. (Konstantin Glushnev)	0		0	11	11		23 Jul 2021
46	Alewawa A.A. (Alewawa1)	0		0	9	9		23 Jul 2021
47	Eismont (Eismont)	0		0	9	9		18 Jul 2021
48	Bazir Y.A. (GY33)	0		0	9	9		24 Jul 2021
49	Vanyushin M. (oneMix)	0		0	9	9		21 Jul 2021
50	Dmitriev V. (v.dmitriev)	0		0	9	9		23 Jul 2021
51	Kuz'min D.Yu. (mitya_ne_dima)	0		0	9	9		18 Jul 2021
52	Pacut K.S. (Zuzu8989)	0		0	9	9		19 Jul 2021
53	Lukankin M.I. (LukankinM)	0		0	9	9		20 Jul 2021
54	Shytov V.V. (Haskenan)	0		0	8	8		18 Jul 2021
55	Shtogrin S.V. (Sergei_Shtogrin)	0		0	8	8		17 Jul 2021
56	Oleg (Dmitriy54)	0		0	8	8		18 Jul 2021
57	Yudin Y. (GorgeousPuree)	0		0	8	8		22 Jul 2021
58	Kurilekh I.A. (Irina2106)	0		0	8	8		18 Jul 2021
59	Klymenko (Tatyana83)	0		0	8	8		20 Jul 2021
60	Kiforchuk (KifArt)	0		0	7	7		21 Jul 2021
61	Ivanitskaya A.G. (AlisaIvanitskaya)	0		0	6	6		18 Jul 2021
62	Vadick V.V. (Vadick1234)	0		0	6	6		23 Jul 2021
63	Shkapenko (Shkapik)	0		0	6	6		23 Jul 2021
64	Il'yasova A.A. (Alechka)	0		0	6	6		18 Jul 2021
65	Brusentsov M.P. (Maksim Brusentsov)	0		0	5	5	7444	24 Jul 2021
66	Chernyakhovskij D.G. (Old_human_1)	0		0	5	5		23 Jul 2021
67	Koshelev D. (Gizen)	0		0	5	5		24 Jul 2021
68	Melkonyan (Anjella M)	0		0	5	5		19 Jul 2021
69	Folushnyak V.F. (Volodymyr2021)	0		0	5	5		20 Jul 2021
70	gron4 G.A. (garikzzzzz)	0		0	5	5		23 Jul 2021
71	Rudianov (Gast888)	0		0	4	4		23 Jul 2021
72	Fetishchev V.V. (VyacheslavX)	0		0	4	4		21 Jul 2021
73	Novikov (PNA921)	0	124	0	3	3	173	23 Jul 2021
74	Vichugova A. (anna_vi)	0		0	3	3	8464	24 Jul 2021
75	Raz D.T. (mts_suck)	0		0	3	3		21 Jul 2021
76	Boborikin (Al'bukerke)	0		0	3	3		23 Jul 2021
77	Chernobrovkin (SergeyChernobrovkin)	0		0	3	3		22 Jul 2021
78	Zaika (Viktor_Viktor)	0		0	3	3		23 Jul 2021
79	AAA A.A. (semafor)	0		0	3	3		22 Jul 2021
80	Rolovin (gold342)	0		0	3	3		18 Jul 2021
81	Ffff (first111)	0		0	3	3		22 Jul 2021
82	Dubitskaya (teanaD)	0		0	3	3		20 Jul 2021
83	SAV V. (viktorias)	0		0	3	3		21 Jul 2021
84	Churakov M.A. (churakovmike)	0		0	3	3		18 Jul 2021
85	Vinokurova N.S. (Lumines)	0		0	3	3		19 Jul 2021
86	Kolotukhkin (Vovka1992199292)	0		0	3	3		20 Jul 2021
87	Gidroets (Fes_ton)	0		0	3	3		18 Jul 2021
88	Yegeubekov M.Y. (MeshDi)	0		0	3	3		21 Jul 2021
89	Marchenko V.Yu. (vollander)	0		0	3	3		22 Jul 2021
90	Alisevich N.V. (Scoro)	0		0	3	3		20 Jul 2021
91	Sidorenko N.D. (xyweshing)	0		0	3	3		20 Jul 2021
92	Nuts V.G. (NutsSlava)	0		0	3	3		21 Jul 2021
93	Dmitriev M. (spunker)	0		0	2	2		23 Jul 2021
94	Lipatova (nerealka)	0		0	2	2		18 Jul 2021
95	Bol'shakov A.Yu. (shultz1987)	0		0	2	2		17 Jul 2021
96	Gluschenko (Konstantin2000)	0		0	2	2		19 Jul 2021
97	Lytvynenko (oli4ka006)	0		0	2	2		17 Jul 2021
98	Sergej (scorpion1992)	0		0	2	2		21 Jul 2021
99	bhapkar (rup_1978)	0		0	2	2		22 Jul 2021
100	Ollphf (utkanos)	0		0	2	2		21 Jul 2021
101	stepanskij M. (Mopsly)	0		0	2	2		19 Jul 2021
102	Galaj Yu.N. (Y.Halai)	0		0	2	2		20 Jul 2021
103	Demidion I.P. (DCCCXIX)	0		0	1	1		21 Jul 2021
104	Shevtsova E. (Skazochnaya_tayga)	0		0	1	1		23 Jul 2021
105	Vedenin (Barabasheks)	0		0	1	1		22 Jul 2021
106	abbyazov T. (abbyazovt)	0		0	1	1		17 Jul 2021
107	Khomenko (GalinaKhomenko)	0		0	1	1		19 Jul 2021
108	Yelnykova L.V. (Lino4ka)	0		0	1	1		18 Jul 2021
109	Alekseeva B. (bairamaira)	0		0	1	1		18 Jul 2021
110	StriderXH (StriderXH)	0		0	1	1		21 Jul 2021
111	Moiseeva P. (MoisesLunaS)	0		0	1	1		19 Jul 2021
112	Cho H.N. (DDemonVous)	0		0	1	1		23 Jul 2021
113	Osmanov E. (OsmanovElvin)	0		0	1	1		22 Jul 2021
114	R P. (praveenRI1999)	0		0	1	1		19 Jul 2021
115	Korkina S. (Svetlana87)	0		0	1	1		21 Jul 2021
116	Ivanov N.V. (Rathma_Nick)	0		0	1	1		21 Jul 2021
117	le N.Q. (thai114089956)	0		0	1	1		24 Jul 2021
118	Aleks (Aleks9-3)	0		0	1	1		23 Jul 2021
119	Makarov (mak_ser)	0		0	1	1		20 Jul 2021
120	Petrov (MAS4455)	0		0	1	1		23 Jul 2021
121	Nik (NikRman)	0		0	1	1		23 Jul 2021
122	Solov'ev V.S. (Hromoy)	0		0	1	1		22 Jul 2021
123	Abdullaev D.V. (Djava912)	0		0	1	1		22 Jul 2021
124	Len S.S. (SSLen)	0		0	1	1		23 Jul 2021
125	moscompass (yanvan)	0		0	1	1		18 Jul 2021
126	Arakelyan A.Y. (Arakelyan)	0		0	1	1		23 Jul 2021

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