Last week rating | SQL Exercises

December 05, 11:20 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: 12726

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	K S. (kinkou)	16	64	28	14	42	545	05 Dec 2020
2	Aleksei A.D. (ELVISNEVERDIES1)	14	14	19	0	19	2219	04 Dec 2020
3	Petrov A.I. (gji)	7	44	15	0	15	1030	02 Dec 2020
4	Prokof'eva I.V. (IrinaP)	8	30	13	0	13	1428	04 Dec 2020
5	BBS (StoneAngel)	7	7	11	27	38	2760	04 Dec 2020
6	Slepnev S.V. (SergSlep)	4	63	8	10	18	608	04 Dec 2020
7	Gireiko E. (Zubryonok)	4	112	8	0	8	203	04 Dec 2020
8	Trofimov (learn_jack)	3	85	8	0	8	352	04 Dec 2020
9	Veselov A.N. (almw)	4	6	6	0	6	2923	04 Dec 2020
10	Korosteleva E. (Shilohvost)	4	7	6	0	6	5024	02 Dec 2020
11	Nikolaj (Bulocka_c_izumom)	2	102	5	0	5	323	04 Dec 2020
12	Mel'nikova Zh.A. (Jannetta)	4	32	5	0	5	1406	03 Dec 2020
13	>Shavkunov K.V. (Purposef)	2	43	4	0	4	1124	05 Dec 2020
14	Litvinov V.V. (NewsMan)	3	114	3	0	3	204	01 Dec 2020
15	Lapenko M.F. (Martha_pryde)	2	5	3	0	3	4869	03 Dec 2020
16	SmirnOFF (select0r)	1	46	2	3	5	1288	28 Nov 2020
17	Cherpak V.E. (OakTree)	1	65	2	2	4	669	04 Dec 2020
18	KATES (KATESATOR)	1	1	2	1	3	8068	02 Dec 2020
19	Mozyakov S. (moz_sv)	2	2	2	0	2	9144	30 Nov 2020
20	Zuev A.D. (RavenBran)	2	2	2	0	2	9157	03 Dec 2020
21	Kostomarov A.V. (al29)	1	258	1	0	1	4	04 Dec 2020
22	Petrov D.B. (GiBis)	1	99	1	0	1	268	04 Dec 2020
23	Smol'nikova M.A. (fora)	1	73	1	0	1	556	04 Dec 2020
24	Shustov V.V. (shustovvlad)	1	65	1	0	1	640	04 Dec 2020
25	Ladanov N.V. (XAKEP_BBC)	1	63	1	0	1	741	01 Dec 2020
26	Chernyj Zh. (chijik)	1	42	1	0	1	1488	30 Nov 2020
27	Kotov (Kotov E.V.)	1	1	1	0	1	12555	02 Dec 2020
28	Selyavkin M. (Calculus12345)	0		0	27	27		04 Dec 2020
29	Teplyakova T.V. (nhti_v)	0		0	27	27		30 Nov 2020
30	Klejman D. (dmhmm)	0		0	27	27		30 Nov 2020
31	Fetisov I.P. (ifet2002)	0		0	27	27		03 Dec 2020
32	Katorov A.S. (Alexey Kat)	0		0	25	25		01 Dec 2020
33	Brovka D.I. (dbrovka)	0		0	20	20		03 Dec 2020
34	Rodina D.D. (DiaSilver)	0		0	17	17		02 Dec 2020
35	Sokolov N. (garazho)	0		0	17	17		04 Dec 2020
36	davdav8989 (davdav8989)	0		0	15	15		04 Dec 2020
37	Schelkunova E.S. (Evgeniya2020)	0		0	15	15		04 Dec 2020
38	Sergeev (post_prog)	0		0	14	14	4883	05 Dec 2020
39	Enotov V. (spieler_ds)	0		0	13	13	7971	04 Dec 2020
40	Najmushina A.V. (nuta03)	0		0	13	13		02 Dec 2020
41	Kurok V.K. (vasiagagaga)	0		0	13	13		04 Dec 2020
42	Lukin (YUYUTU)	0		0	13	13		04 Dec 2020
43	Nikitin N.A. (NIKTO1234)	0		0	13	13		30 Nov 2020
44	Ivanov I.S. (ilyalivelife)	0		0	11	11	6554	05 Dec 2020
45	Pshonnyj A.V. (Alexey_phsonny)	0		0	11	11		01 Dec 2020
46	Kabirov A. (Dante3)	0		0	11	11		04 Dec 2020
47	Dyukshina V.I. (Ezhik20.07)	0		0	11	11		01 Dec 2020
48	Matuzas A.A. (Andrej(M))	0		0	11	11		02 Dec 2020
49	Palagutin A.V. (Rainboom)	0		0	11	11		29 Nov 2020
50	Kozachenko O.V. (Kozachenko Oleksіj)	0		0	11	11		02 Dec 2020
51	Vasovski M. (vTankeKotaGladel)	0		0	11	11		02 Dec 2020
52	Xirrantos (Hr0ffT)	0		0	11	11		04 Dec 2020
53	Uskov M.A. (SmileT)	0		0	11	11		04 Dec 2020
54	Zajtsev D. (Sdarron)	0		0	11	11		30 Nov 2020
55	Puschinskij A.A. (alexandrpushchinskii)	0		0	9	9	5776	04 Dec 2020
56	Artemev (Todoroki)	0		0	9	9	5777	05 Dec 2020
57	Yurusov D.M. (StDismas)	0		0	9	9	5778	05 Dec 2020
58	Ivantsova S.S. (sonechka)	0		0	9	9		03 Dec 2020
59	Bakh Yu. (Yura_12321)	0		0	9	9		03 Dec 2020
60	Nikolaev I.A. (Infernal'nyjGlist)	0		0	9	9		01 Dec 2020
61	Belousova V.S. (LuckyFox)	0		0	9	9		02 Dec 2020
62	Denisov A.B. (AlexAd123)	0		0	9	9		04 Dec 2020
63	Volkov A.V. (Leventain)	0		0	9	9		01 Dec 2020
64	Kochanov A.S. (fenharel)	0		0	9	9		01 Dec 2020
65	Zhavoronkov D.S. (iLark)	0		0	9	9		04 Dec 2020
66	Turusov M. (maximvsu)	0		0	9	9		04 Dec 2020
67	Smirnov V.I. (SMIWILL)	0		0	9	9		01 Dec 2020
68	Drejfel'd D. (lokol)	0		0	9	9		01 Dec 2020
69	Fomin (fvadim)	0		0	9	9		01 Dec 2020
70	Filippov A.D. (minicaramelka)	0		0	9	9		01 Dec 2020
71	Ivanov A.V. (Big-Bag)	0		0	8	8		01 Dec 2020
72	Lalo (DjimboHash)	0		0	8	8		28 Nov 2020
73	Alikin M.S. (sadSuic1de)	0		0	7	7		01 Dec 2020
74	Radchenko D.V. (RDanila)	0		0	7	7		29 Nov 2020
75	Lobov M.E. (Student165)	0		0	7	7		03 Dec 2020
76	Krylov V.N. (prostovitos)	0		0	7	7		03 Dec 2020
77	Veselovsky (5454mav)	0		0	6	6		04 Dec 2020
78	Davlatov S.M. (Feeenya)	0		0	6	6		04 Dec 2020
79	Tyan V. (VyacheslavT)	0		0	6	6		01 Dec 2020
80	Yakimenko M.I. (keino)	0		0	6	6		29 Nov 2020
81	Ash (Lexxitto)	0		0	5	5		03 Dec 2020
82	Levonchuk V. (LVN2004)	0		0	5	5		30 Nov 2020
83	Gerasev V.A. (suz00)	0		0	5	5		30 Nov 2020
84	Burtsev S. (San_Cretino)	0		0	5	5		03 Dec 2020
85	Goryunov N.I. (Humberg_)	0		0	4	4		04 Dec 2020
86	Seregin R.Z. (dat-0)	0		0	4	4		01 Dec 2020
87	Sokolov (A.A.S.)	0		0	4	4		04 Dec 2020
88	BW B.W. (BWW2)	0		0	3	3	8287	04 Dec 2020
89	rabbyt M. (MadRabbyt)	0		0	3	3	8288	05 Dec 2020
90	Krasovskij (krasovskiy)	0		0	3	3		30 Nov 2020
91	Ustinov E.E. (hupitip)	0		0	3	3		01 Dec 2020
92	Zakharov (PavelZzZz)	0		0	3	3		29 Nov 2020
93	Gazizov R.B. (Grb21)	0		0	3	3		30 Nov 2020
94	ZHaxilikov K.S. (Kanat49)	0		0	3	3		02 Dec 2020
95	Romanov I.A. (Javashket1)	0		0	3	3		05 Dec 2020
96	Martyushov (deGray)	0		0	3	3		04 Dec 2020
97	Yakovleva N.I. (yaminn@)	0		0	3	3		30 Nov 2020
98	Rusinov K.N. (Kirill_perm)	0		0	3	3		04 Dec 2020
99	Kuz'min G.O. (Casey Moon)	0		0	3	3		01 Dec 2020
100	Bal'tser (b.bal)	0		0	2	2	9226	04 Dec 2020
101	Usov A. (alex-usov)	0		0	2	2	9227	05 Dec 2020
102	Korneev Z.O. (SODERHAMN)	0		0	2	2	9228	05 Dec 2020
103	Kozlov E. (Zhekson)	0		0	2	2		04 Dec 2020
104	Daria (bubbles.tut)	0		0	2	2		04 Dec 2020
105	Teterina E.A. (TeterinaEkaterina)	0		0	2	2		02 Dec 2020
106	Smirnov (Djasarov)	0		0	1	1	12726	04 Dec 2020
107	Isaev E.U. (emik1234u)	0		0	1	1		01 Dec 2020
108	Scherbakov V. (veseliy_valerka)	0		0	1	1		30 Nov 2020
109	Merkebayuly M. (Wrestler_M)	0		0	1	1		29 Nov 2020
110	oliya (oliya111111)	0		0	1	1		01 Dec 2020
111	Stolyarov (Kerotik)	0		0	1	1		04 Dec 2020
112	zakir Z. (zakir_cooper)	0		0	1	1		05 Dec 2020
113	NikaT (NikaSQLExercises)	0		0	1	1		02 Dec 2020
114	Ozhiganova P. (Polina Ozhiganova)	0		0	1	1		02 Dec 2020
115	Zaripov A. (Santiago94)	0		0	1	1		04 Dec 2020
116	Klimashevskij (Alewandr)	0		0	1	1		03 Dec 2020
117	Zhukov F. (Table123)	0		0	1	1		03 Dec 2020
118	Babak (Gustos)	0		0	1	1		02 Dec 2020
119	Rozum P.A. (2Dru2)	0		0	1	1		03 Dec 2020
120	Rybakov S. (GOPOX)	0		0	1	1		01 Dec 2020
121	Makeeva E.V. (Ekaterina3197)	0		0	1	1		04 Dec 2020
122	Strel'nikov A.S. (Lexus228)	0		0	1	1		02 Dec 2020
123	Ermolaev N.K. (n.ermolaev)	0		0	1	1		02 Dec 2020
124	Ivanova E.S. (Elena Ivanova)	0		0	1	1		30 Nov 2020
125	Yevtiuhova V. (purpleraccoon)	0		0	1	1		29 Nov 2020

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