Last week rating | SQL Exercises

March 30, 02:57 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: 12475

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Baskakov A. (solertia)	25	65	48	10	58	556	29 Mar 2020
2	E (captainX)	7	63	15	0	15	743	29 Mar 2020
3	Tsch S. (SergeyTsch)	7	49	14	0	14	1000	29 Mar 2020
4	Nikolaj (Bulocka_c_izumom)	9	55	14	0	14	1170	29 Mar 2020
5	Dorofeev I.V. (dorofeich)	10	11	14	0	14	2489	29 Mar 2020
6	Natynchik E. (Verbena)	7	9	11	0	11	2580	29 Mar 2020
7	Ushakov A.K. (andrew_ushakov)	4	85	9	0	9	370	24 Mar 2020
8	Podmarev E. (Podmarev)	6	9	9	0	9	2579	29 Mar 2020
9	Poroshkova (vvvvvloi)	6	6	8	12	20	3055	28 Mar 2020
10	ol O. (svinokiller)	4	42	7	0	7	1141	27 Mar 2020
11	Igumnov (HermanI)	2	68	5	0	5	485	30 Mar 2020
12	Markovich O. (Fasemann)	4	4	5	0	5	6856	28 Mar 2020
13	Komov K.N. (zigmund1)	1	87	4	0	4	340	29 Mar 2020
14	Nazarova (L__)	2	46	4	0	4	1047	28 Mar 2020
15	Tyannikov V.P. (TVP)	1	73	3	1	4	627	29 Mar 2020
16	Fedevych V.I. (labuch_fedev)	1	196	3	0	3	34	28 Mar 2020
17	Yanin M.Yu. (Mikhkha)	1	59	3	0	3	850	24 Mar 2020
18	Pudrovskaya N.S. (NastyaPudrovskaya)	3	3	3	0	3	7923	23 Mar 2020
19	Kan N.P. (SI123)	2	2	3	0	3	7938	23 Mar 2020
20	Skomorokhov M. (MatthewBI182)	2	2	3	0	3	7943	23 Mar 2020
21	Mazur I. (Mazur_IK)	1	5	2	17	19	3921	25 Mar 2020
22	Sh V. (minolta777)	2	2	2	16	18	3461	26 Mar 2020
23	Lunaeva Yu.V. (Lunaeva)	2	2	2	1	3	7924	24 Mar 2020
24	Titov M. (Mursiciy)	2	2	2	1	3	7927	23 Mar 2020
25	Chukanov V.S. (VSC)	1	75	2	0	2	433	23 Mar 2020
26	Bagirov R. (lord_potato)	1	44	2	0	2	1102	29 Mar 2020
27	Strod A.N. (jshade)	2	2	2	0	2	3463	23 Mar 2020
28	Konovalova (Lolka999)	1	2	2	0	2	8062	23 Mar 2020
29	Nazarova A. (Annyutkin)	1	1	2	0	2	8754	28 Mar 2020
30	p.smolyar (smolyar)	2	2	2	0	2	8955	29 Mar 2020
31	Chernikova D.D. (darya_chernikova)	1	11	1	27	28	2461	30 Mar 2020
32	Gavrilov (dzhoncheg)	1	19	1	1	2	1895	25 Mar 2020
33	Sokolova E.V. (sokolova.e.v)	1	1	1	1	2	8923	23 Mar 2020
34	Milenkov (wqer)	1	144	1	0	1	95	29 Mar 2020
35	Litvinov V.V. (NewsMan)	1	95	1	0	1	282	29 Mar 2020
36	Egurtsova M. (Mur4ena)	1	7	1	0	1	5706	25 Mar 2020
37	Permyanin A.D. (permyanin)	1	1	1	0	1	12427	23 Mar 2020
38	kostousov A.V. (kostousov)	1	1	1	0	1	12428	23 Mar 2020
39	Kruchinina (yana123456789)	1	1	1	0	1	12429	23 Mar 2020
40	Snigireva N. (Aldark)	1	1	1	0	1	12432	24 Mar 2020
41	Ivankov P. (p.a.ivankov)	1	1	1	0	1	12433	23 Mar 2020
42	Vershinin M.V. (max.vershinin)	1	1	1	0	1	12434	23 Mar 2020
43	Ivanova K.V. (k.ivanova)	1	1	1	0	1	12435	23 Mar 2020
44	Golovanova D.A. (golovanova)	1	1	1	0	1	12436	23 Mar 2020
45	Tiunova A.M. (anna_tiunova)	1	1	1	0	1	12437	23 Mar 2020
46	Guletskaya (Guletskaya_Alena)	1	1	1	0	1	12438	23 Mar 2020
47	Morozov A.O. (CaH9_96rus)	1	1	1	0	1	12439	23 Mar 2020
48	Malykhanov A.D. (AndreY_MalykhanoV)	1	1	1	0	1	12440	23 Mar 2020
49	Kopnin (Kopnin)	1	1	1	0	1	12445	24 Mar 2020
50	Pozitiv G. (GalynaPozytyv)	0		0	27	27		29 Mar 2020
51	Tsurkan V. (VTsurkan)	0		0	25	25	3868	29 Mar 2020
52	Spare (jackspare)	0		0	25	25	4593	28 Mar 2020
53	Zhuravlev V.E. (Deschain)	0		0	23	23	4084	29 Mar 2020
54	Prokopchuk D. (Rabb1t410)	0		0	20	20	4330	29 Mar 2020
55	Boiko B.Y. (Bboyko2000)	0		0	20	20	5102	29 Mar 2020
56	Mit'kovskij E.A. (MTMTK)	0		0	20	20		24 Mar 2020
57	Petrova N. (petrova.nataliia)	0		0	19	19	4437	29 Mar 2020
58	Pusiak O. (olenapusiak)	0		0	17	17	4594	29 Mar 2020
59	Leskiv (Yura11132543)	0		0	17	17	5918	29 Mar 2020
60	Mazur O.M. (Mazur Oksana 2)	0		0	17	17		27 Mar 2020
61	Sopulyak (takoysebeproger)	0		0	15	15		24 Mar 2020
62	Kostiuchenko M.O. (Wanackon)	0		0	15	15		23 Mar 2020
63	Kuryukin I.S. (ATkh21_Kuryukin)	0		0	15	15		27 Mar 2020
64	Scherbakov I.A. (Scherbakov Ivan 17-IDbo-3)	0		0	15	15		26 Mar 2020
65	felix (wondertalik)	0		0	14	14	4827	30 Mar 2020
66	Kushnir O. (Oleh Kushnir)	0		0	12	12	5547	29 Mar 2020
67	Berezhok R. (romulus04)	0		0	11	11	5239	29 Mar 2020
68	Pavlov D.V. (Deftshadow)	0		0	10	10		23 Mar 2020
69	Tomchuk E.M. (Zhene4ka)	0		0	10	10		26 Mar 2020
70	Tereshina M.P. (HeyMarine)	0		0	10	10		25 Mar 2020
71	Koptashkina T.A. (Qweaspot)	0		0	10	10		23 Mar 2020
72	Glaznik A. (glazandr)	0		0	9	9	5726	29 Mar 2020
73	Chekan (Boguma)	0		0	9	9	6441	29 Mar 2020
74	Sobol J. (julia_1405)	0		0	9	9	6442	29 Mar 2020
75	Trifonov M.V. (Mvtrifon)	0		0	9	9	12470	30 Mar 2020
76	Slobodyan V.I. (Lyal)	0		0	9	9		25 Mar 2020
77	Sherstuk Y. (J4sT)	0		0	9	9		25 Mar 2020
78	Hlynsky B. (brovko)	0		0	9	9		27 Mar 2020
79	Povoroznyk B. (bagdad)	0		0	9	9		24 Mar 2020
80	Tsup (Gendry74)	0		0	8	8	5917	28 Mar 2020
81	Logetskaya S. (Hikarru)	0		0	8	8	9022	29 Mar 2020
82	Kufel'd A.P. (a.kufeld)	0		0	8	8		26 Mar 2020
83	Taraschenko (hammerheart)	0		0	8	8		26 Mar 2020
84	Lysenko M.D. (MarieD)	0		0	8	8		26 Mar 2020
85	Barabash O. (Olena Barabash)	0		0	8	8		28 Mar 2020
86	Suliba R.S. (RomanSlb)	0		0	8	8		29 Mar 2020
87	osipov (mathein)	0		0	8	8		26 Mar 2020
88	Drondel M. (maksmaksmaks)	0		0	8	8		27 Mar 2020
89	Panyushkina (Anastasia2112)	0		0	7	7		26 Mar 2020
90	Volkova N. (OstatkPsa)	0		0	7	7		25 Mar 2020
91	Mochalin N.A. (FB_Senon)	0		0	6	6	6440	28 Mar 2020
92	Zalutskyi V.V. (volodymyr2020)	0		0	6	6		27 Mar 2020
93	kodenko K. (kodenko)	0		0	6	6		27 Mar 2020
94	FELICIA A. (9505572076)	0		0	6	6		27 Mar 2020
95	Semenova S. (Sofya003)	0		0	6	6		27 Mar 2020
96	Motorina T. (Redstart)	0		0	6	6		26 Mar 2020
97	Baidak V.V. (Baydachok)	0		0	5	5	7136	29 Mar 2020
98	Z O. (melissochka)	0		0	5	5		27 Mar 2020
99	Stel'makh P.G. (Polina Stelmakh)	0		0	5	5		24 Mar 2020
100	Denisov E. (Deadalus_DX)	0		0	5	5		23 Mar 2020
101	Fedunyak O.F. (olga23)	0	1	0	4	4	5400	28 Mar 2020
102	Korotkikh A. (Varenie)	0		0	4	4	7800	28 Mar 2020
103	Bodyakov G. (Gllebiann)	0		0	4	4	7801	29 Mar 2020
104	Scherbakova I.E. (risha_sher)	0		0	4	4	7802	29 Mar 2020
105	Malyshev A.A. (chinmachine)	0		0	4	4	7803	29 Mar 2020
106	Yanovskaya (Yanovskaya)	0		0	4	4	7804	29 Mar 2020
107	Mirontseva A.V. (Persephone.mirror)	0		0	4	4	7805	29 Mar 2020
108	man'ko A.I. (mankoA)	0		0	4	4	7806	29 Mar 2020
109	Shumejko A.N. (Shumeiko_alex)	0		0	4	4	7807	29 Mar 2020
110	Haspolat A. (Aliona5)	0		0	4	4	7808	29 Mar 2020
111	Sim A. (CassandraSim)	0		0	4	4	7809	29 Mar 2020
112	Gri N. (NordingGRIS)	0		0	4	4	7810	29 Mar 2020
113	Zamilatskaya D.V. (ShadyDiana)	0		0	4	4		24 Mar 2020
114	Kempnyk R. (DRaGoN_88)	0		0	4	4		29 Mar 2020
115	Varchuk D.A. (dimaKreed)	0		0	4	4		25 Mar 2020
116	Zamaliev (qbik)	0	1	0	3	3	7672	26 Mar 2020
117	Orlov M.A. (maxorax)	0		0	3	3	8117	29 Mar 2020
118	Levkovich A.L. (nastyalevk)	0		0	3	3	8118	29 Mar 2020
119	Azizova A. (Assenga)	0		0	3	3	8119	28 Mar 2020
120	Borontsova V.V. (Tanadora)	0		0	3	3	8120	29 Mar 2020
121	Merkulov (MKULTRA)	0		0	3	3	8121	29 Mar 2020
122	Pinkus (Kos99)	0		0	3	3	8122	29 Mar 2020
123	Hladun Y.V. (Yaroslav Hladun)	0		0	3	3	8124	29 Mar 2020
124	Karpovich V.I. (viveya)	0		0	3	3	8125	29 Mar 2020
125	Gorbatkov A. (Milka_7_7_7)	0		0	3	3	8126	29 Mar 2020
126	Okhrimenko D.V. (Dnipro)	0		0	3	3		27 Mar 2020
127	Absov O. (gavulya)	0		0	3	3		27 Mar 2020
128	Skripkin N. (nicknoob)	0		0	3	3		24 Mar 2020
129	Tin'k I.I. (IvTr)	0		0	3	3		27 Mar 2020
130	Terletska M. (mari.ter)	0		0	3	3		27 Mar 2020
131	Matveeva (matveeva01)	0		0	3	3		25 Mar 2020
132	Ostrovskij B. (bo77)	0		0	3	3		24 Mar 2020
133	Shishnov (mrpickman)	0		0	3	3		23 Mar 2020
134	Rfhy J.J. (Lionevil)	0		0	3	3		25 Mar 2020
135	Mykush V.S. (VitalyMykush)	0		0	3	3		26 Mar 2020
136	kar (artem679lol)	0		0	3	3		28 Mar 2020
137	Horodyskyi Y. (HYaroslav)	0		0	3	3		27 Mar 2020
138	luan (bingood)	0		0	3	3		25 Mar 2020
139	Kyzema O. (OlegKKK)	0		0	3	3		27 Mar 2020
140	Mammadova A.S. (arzum)	0		0	3	3		29 Mar 2020
141	Pomazova N.O. (Ninel_P)	0		0	3	3		26 Mar 2020
142	Tubalykov (Gep1001)	0		0	2	2	9021	28 Mar 2020
143	Belova L.E. (Lia409)	0		0	2	2	9023	28 Mar 2020
144	Magomedov M.M. (ebelex)	0		0	2	2	12472	29 Mar 2020
145	Mikhajlova A.S. (Aleksandra04052000)	0		0	2	2	12473	29 Mar 2020
146	Yurov I.I. (Frit_027)	0		0	2	2		28 Mar 2020
147	A (pereturbator)	0		0	2	2		23 Mar 2020
148	qwaszx (1212xsha)	0		0	2	2		26 Mar 2020
149	Khar'kovskij D.S. (DmitriyKha)	0		0	2	2		24 Mar 2020
150	Ivanova A. (alenkatd)	0		0	2	2		24 Mar 2020
151	Ponomarev A.R. (AndreyPonoamrev)	0		0	2	2		23 Mar 2020
152	Spintal M. (smj)	0		0	2	2		25 Mar 2020
153	Tseu (niktseu)	0		0	1	1	12471	27 Mar 2020
154	Dyachenko (couldihavesumtea)	0		0	1	1	12474	29 Mar 2020
155	. (Augustina)	0		0	1	1	12475	29 Mar 2020
156	Kornienko N.A. (nadja22)	0		0	1	1		23 Mar 2020
157	Zhukov (4G)	0		0	1	1		29 Mar 2020
158	Khomyakov (PowerGlowe)	0		0	1	1		29 Mar 2020
159	Sumi (Dari995)	0		0	1	1		27 Mar 2020
160	Rozanov D. (alsckd)	0		0	1	1		24 Mar 2020
161	Eman A. (eman.rokaya)	0		0	1	1		26 Mar 2020
162	Val'ter E.A. (Ejteri)	0		0	1	1		25 Mar 2020
163	Testov (tester237)	0		0	1	1		23 Mar 2020
164	Blinnikov V.A. (Blinchikus)	0		0	1	1		23 Mar 2020
165	Gasslander M. (gassa123)	0		0	1	1		26 Mar 2020

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