Today's statistics at "SQL Exercises"

December 30, 15:19 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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  • "Liberal" rating
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  • TOP 100 of Learning Stage
  • Rating by summation of ranks
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  • Last-week results
  • Rating of second-stage exercises (average)
  • Rating of 2nd-stage exercises (median)
  • Author's rating  • 2nd stage rating up to exercise:
   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

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SQL exercises

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  • SELECT (learning stage)
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      choosing DBMS)
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Today statistics

nLog - number of logins;
nSelEx - number of select exercises solved today;
lastEx - number of last select exercise solved;
nDmlEx - number of dml exercises solved today;
Scores - sum of points on the exercises solved today (select and dml);
numLrnEx, LrnScores - number of exercises solved today and sum of points on learning stage

No	Surname	nLog	nSelEx	lastEx	nDmlEx	Scores	numLrnEx	LrnScores
1	Elagina A.A. (pekaaa)	1			11	13	ban	ban
2	Mesal (Garnozella)	1			10	11	ban	ban
3	fioletovaya (fioletovaya2)	1	5	50		9
4	Fedoruk I.A. (yvan123)	1			3	3	2	2
5	Skokov B.S. (leks$$)	1	1	20		2
6	Raznitsyn (Pepperni)	2			2	2
7	Shamshadinov E.Sh. (Burley)	1			1	2
8	Brynza A. (abrynza)	1					ban	ban
9	Meshalkin (Garzonella)	1					ban	ban
10	Potekhin M.E. (Sweete)	2					15	18
11	Sviridov E.A. (aizenburgerus)	1					15	18
12	Sharkova Yu. (sharky-s)	1					10	16
13	Aliev (krogi)	1					10	13
14	Vysotskij E.V. (Esscape)	1					8	13
15	Duisen A.-. (qazyqarta)	1					8	11
16	Jfrhd (print_AJ)	2					7	11
17	Flegantova A.V. (ann.flegantova)	1					6	10
18	Drevalev A.A. (Besrezen_33)	1					8	9
19	Ivanov (snowmarker1)	1					5	9
20	Kolobin N.S. (gerod0t)	1					7	8
21	Alimov (Oleg994)	1					5	8
22	Treumova (TreumovaKet)	1					6	7
23	Charipov Z.C. (ZhanbOo1)	2					3	6
24	Zajnutdinov R.R. (Allezzio)	1					3	6
25	Fetisov I.V. (waden)	1					3	6
26	Lazarenko (panda1307)	1					3	6
27	Byakov A.A. (NejroSanya)	1					5	5
28	Berdnikov G.Yu. (13student07)	1					5	5
29	Petrova M. (mkvshnva)	1					4	5
30	Samandov S. (Suleyman.Samandov)	4					3	5
31	Il'ina V.A. (oksanaveronika)	2					ban	ban
32	Nizhnikov (RayBr)	2					3	5
33	Smirnova K.A. (ashesygf)	2					4	4
34	Wooster (Nick Bucklow)	3					2	4
35	Orlova A.V. (Sasha520)	2					2	4
36	fabuDabu (SQLMasterAtItsFirstStage1)	2					2	4
37	Politov P.V. (Avilon777)	1					2	4
38	Mukhatay M.A. (Bainfront)	1					2	4
39	Ivanov I.I. (vlad91)	2					2	3
40	Aliyev V. (Vussy)	1					2	3
41	Zhorov V.V. (excited_flow)	1					2	3
42	Doe (johndoe1235)	2					2	2
43	Belyak (TheTester)	2					2	2
44	Sp (t0mas)	1					2	2
45	Brodskiy (GeorgeLm20)	1					1	2
46	Berzhitskij V.D. (RILIKS)	1					1	2
47	Trubchaninov (Chackchoker)	1					1	2
48	Ryabov A. (Slavander)	1					1	2
49	Chalov (auxiliarytrinket)	1					1	2
50	Larionov A.A. (k@iman)	1					1	2
51	tagiyeva N.G. (umaynurten)	1					ban	ban
52	Fattah N.Q. (Neymat)	1					1	2
53	Vnukov D. (Astronaut_Vnuk)	1					1	2
54	Gorlyshkov M.S. (Smail)	3					1	1
55	P'yankov (IVAN PI)	2					ban	ban
56	Tilepbaev N.N. (Nurik_007)	2					1	1
57	Lakalov D. (Meilleur_NG)	1					1	1
58	Dadaev (Mansur9511)	1					1	1
59	Osipov M.N. (Maksim22)	1					1	1
60	Fayzullayev (Lutfullo)	1					1	1
61	Narembekov T. (fountaineww)	1					1	1
62	Bube (ValBube)	1					1	1
63	Smit U. (Noen)	1					1	1
64	bondarev (revsky)	1					1	1
65	Nakhrynov (Dandal)	1					1	1
66	Koptel'tsev V. (selber)	4
67	Agapov A. (sbt-agapale)	2
68	Yakshin I.V. (ivan_y)	2
69	Lupin A. (hongweibin)	2
70	Azizov Zh.Zh. (zhanbo2001)	2					ban	ban
71	Captain U.Z. (CaptainUkraine)	2
72	Erjigitov H. (Habibullo)	2
73	P I.*. (IrinaPetr)	2
74	Kuz'min A.V. (Takedo777)	2
75	Safronov P.A. (Paulus73)	2
76	Schmitt (Styani)	2
77	Maharramov A. (Maharramov)	2
78	Ilya I.I. (Ilya_123)	2
79	Kozachenko A.K. (Netwalker)	2
80	F A. (annysarah111)	2
81	Gubajdullina D.A. (Darkness99)	2
82	Kolosov V.D. (miracle9)	2
83	Kurochkin P.A. (qwrqwr)	1
84	Krasovskij E.A. (pegoopik)	1
85	Dmitrieva (NatalyD)	1
86	Kostomarov A.V. (al29)	1
87	Polyakov V.M. (rock_4)	1
88	Belov D.A. (8Xenon8)	1
89	Guketlov A.M. (pro100guk)	1
90	Vinogradova S.M. (Tigra1)	1
91	Kolmogorova (NadK)	1
92	Andreas A.V. (AndreasAlexandr)	1					ban	ban
93	Kraskova O. (kraskovaolga)	1
94	Tsay S. (Sergey Ts.)	1
95	Jumaev N.Y. (Nasa8010)	1
96	Nageeshkeeng (13242(H)	1
97	Sidelev (elvolt)	1
98	Mamonova S. (tireless_snegs)	1
99	Shpenst V.S. (LeraSh123123)	1
100	Kibalyuk A.S. (TheNulky)	1
101	Uvarov A.A. (fearstation)	1
102	Starostina A.S. (friaq)	1
103	Efimenkova K.G. (Ksenia41)	1
104	Nikishin E.A. (nikev)	1
105	Panicheva V.D. (_Vika_)	1
106	vktory369 (vk1991)	1
107	Anisimov (MikePain)	1
108	Gerasimova D.S. (Yzumake)	1
109	Kashaev S.V. (sergudok)	1
110	Bajgil'dina R. (Renatka)	1
111	Startseva M.A. (Mariia_St)	1
112	Totskij M.A. (Makasik)	1					ban	ban
113	Sarkis'yan G. (gennadi_s)	1
114	petrov (petrov991)	1
115	testovich3 (testovich3)	1
116	Uspanov I. (depo6765)	1
117	Finaev V.N. (htdcanbfa)	1
118	Galustyan T. (TTT1111)	1
119	Howkie J. (MrUniq)	1
120	Sha (Stp2cry)	1
121	Malkov I. (vezhliviy12)	1
122	Timonin I.A. (Il'ya_375822)	1
123	Loktev K.O. (Hannes)	1
124	Glazkov (Zanegin)	1
125	Odegov A.I. (KovroLitik)	1
126	R. (Wra1th)	1
127	Shmidt M.A. (Edzora)	1
128	TamTam (Totoro12)	1
129	Komov S.M. (Komov S. M.)	1					ban	ban
130	Ismailov R. (Rumb)	1
131	Lysykh V.K. (Usilitel')	1
132	Gregory (Really_cool_boy2000)	1
133	Dedyulin A.D. (ded_android)	1
134	Vedrentsov B.S. (Zero.Sat)	1
135	Murav'ev D. (dmitroks)	1
136	Val'ko P. (Enrqez)	1
137	Vinogradova E. (-Helen-)	1					ban	ban
138	M (DanilM2304)	1
139	Samarin V.A. (Samarin)	1
140	Erzhov (pepsik)	1					ban	ban
141	Makhmutshina K. (Kamilala)	1
142	Vukolov A. (al.vuk)	1
143	B. D.P. (Danechka2206)	1
144	romPro18 A.A. (romPro19)	1
145	Yakimenko (Nikita9kimenko)	1
146	Korolev M.M. (cmbbtw)	1
147	Vasyakova O.N. (Olga&Olga)	1
148	Vsilyev I.D. (DIE4SEX)	1
149	Mazhitova R.R. (Rinazavrik)	1
150	Timashkov M.S. (Max_Tima)	1
151	Aleksanian A. (IneedAJob)	1
152	Mogushkova F.M. (mgfatima)	1
153	Mart (Zenward)	1
154	Fyodorov (pacrog)	1
155	Batman A.A. (Anderlecht)	1
156	Elagin E.A. (Evgen.1985)	1
157	Smirnov (mad_bee)	1
158	Yashin D.A. (saintg)	1
159	Yuminova L. (linayumi)	1
160	Ark (Arkan123)	1
161	Grachev V. (VladislavIlyich)	1
162	Hesenzade (Hasanzade)	1
163	Khristosov (AleksXov)	1
164	Povarnitsin S. (Gizi)	1
165	Tokareva T.D. (Tatoshka90)	1
166	Aliev R.A. (Russttammm1305)	1
167	Astrov V. (astrikkkk)	1
168	Titov R. (liddd)	1
169	Unregistered	23

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