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September 21, 14:07 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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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	Shibaev (saah)	1	1	85		3
2	Tsybin A.V. (magicdragon)	1	1	11		1
3	Tugdumov B.B. (Badara_01341)	1					ban	ban
4	Ostrovskaya M.S. (marusya67)	1					15	26
5	Gadel'shina V.D. (GadelshinaVD)	1					15	25
6	Zhorov (zefir123)	1					14	25
7	Pogosyants (Ivan338)	1					ban	ban
8	Nesmelov D.A. (Denis_777)	2					15	24
9	Ajrapetyan A.V. (Mamkin_drifterrr)	2					15	24
10	Qwerty Q.Q. (Retroradioactive1)	1					15	24
11	Nasyrkina E. (eleonnora12)	1					15	24
12	Shamsiyarova E.A. (haaaaaniiieee09)	1					13	22
13	Lishafaev D.A. (ZnOKs)	2					15	20
14	Ibraeva Yu.V. (Yulchik421)	1					11	19
15	Munkueva B.R. (Baira)	1					ban	ban
16	Kashin D.I. (Danya_pupsik_228)	1					12	15
17	Bondarchuk G.V. (Gosha11112233)	2					11	15
18	Podgorodetskij (Dan_Pan)	2					11	13
19	Dolgova D.A. (dashulya_06)	1					8	13
20	Ovsyannikov M.L. (ann1era)	1					8	13
21	Rudnev G.Yu. (gleb427)	1					7	11
22	Mashura (panda2121)	1					8	10
23	Dugin D.R. (DYGIDAI)	2					7	9
24	Melikyan A.H. (Arty_009)	2					7	9
25	Novikov R. (krosh1001)	1					7	9
26	Zhabina I.S. (Irina Zhabina)	2					6	9
27	Molchin A.V. (a_molchin)	1					5	9
28	Nurymbay M.S. (Merik05)	1					7	8
29	Ushakov A.Y. (ushakov94)	2					ban	ban
30	Zheludkov S. (zhsvyach)	2					5	8
31	Timirkin R.R. (Ravshan)	2					5	8
32	Ryabicheva A.D. (Alyonaana421)	2					5	8
33	Kokoleva K.S. (ksusa)	1					5	8
34	Ryabicheva (Pory)	1					5	8
35	Gruevich T.S. (MinonToniSopranos1960)	2					6	7
36	Doroshenko S.A. (OrYSlliu)	2					6	7
37	Davydov R. (roman.davydov)	1					6	7
38	Shajkhitdinov (Selim2)	1					6	7
39	Luchin D.A. (SunDay1337)	1					6	7
40	Foster D.V. (srnody)	1					6	7
41	Novolodskaya S.S. (Svetlana_Novo)	1					5	6
42	Palilova V. (_i_n_s_s_)	3					3	6
43	Avner (simsidiz)	1					5	5
44	ligma (Imcourageous)	1					5	5
45	Khriplivec (Guandao)	1					5	5
46	Sidorova Yu. (yloko)	2					3	5
47	Samorodov V.O. (svo20m115)	1					3	5
48	Oddi (maracanec)	2					4	4
49	Kungurov A. (Alexey10)	1					4	4
50	Tikhonov V. (VadimTikhonov)	2					3	4
51	Davydova M. (Mariya1723)	1					3	4
52	f E.S. (The_Eugene)	1					2	4
53	Bulychev F.A. (Fedya2011)	1					2	4
54	Shiryaev A.A. (SmailikX_X)	1					2	4
55	linhcoder L.H. (linhcoder)	1					2	4
56	Nikovskii (vios183)	1					2	4
57	Tret'yakova T.E. (Tanya_tte)	3					3	3
58	pushkarev V.S. (tt3dg)	2					3	3
59	Malov I.M. (ticiqyu)	1					3	3
60	Burdukovskaya S.Yu. (SofiaBur)	1					3	3
61	Alekseeva T.N. (tatidataanalystbaddie)	1					3	3
62	Mikitey (Hardbinger)	3					2	3
63	VLASSOV (_MOG_)	2					2	3
64	Nasyrova (Alewa86)	1					2	3
65	Kuznetsova (moriq)	1					2	3
66	Romanchuk I.A. (ial.romanchuk)	2					2	2
67	Agametova B.K. (Agametova Bella)	1					2	2
68	Melekhov (leshasmp1989)	1					2	2
69	Radnaeva A.V. (Tremy67)	1					2	2
70	net (none1337)	3					1	2
71	Spivak K. (KristinaSpivak)	3					1	2
72	Gusev (Fakel99)	2					1	2
73	Z A. (panter2)	2					1	2
74	Artemev L. (Leonid S.)	2					1	2
75	Zhuravlev E. (LuckyHamster.)	1					1	2
76	ArsenalVItek V.V. (ArsenalVItekLOL)	1					1	2
77	Morgenbliz A. (morgenbliz)	1					1	2
78	Krasnov A.A. (Nutr1k)	1					1	2
79	Dut O.A. (olga_dm_d)	1					1	2
80	Raimbekov E.B. (KlarkKent)	1					1	2
81	Dauletkeldi A. (Aliya07)	1					1	2
82	Barashkin A.A. (conquru)	1					1	2
83	Karpova (kasetaka)	1					ban	ban
84	Ponomarenko A. (Al'bertPonomarenko)	1					1	2
85	Dorokhin S.R. (sem41h)	1					1	2
86	Terekhov G. (H_Terehov)	3					1	1
87	Abramenkova (muroni)	2					1	1
88	Murych (Soff2222)	2					1	1
89	Yadav V.R. (vinay yadav)	2					1	1
90	Askerova F.K. (Riza22)	2					1	1
91	Krinka A.A. (alnurio)	2					1	1
92	Sychyov Yu.S. (Mrak.krd)	1					1	1
93	Otinov A.D. (WellSo)	1					1	1
94	Kopylova S.A. (Loshara_ru)	1					1	1
95	Kreshenova A.D. (kreshenova.a)	1					1	1
96	Sidel'nikov L.I. (genl)	1					1	1
97	ria (rqqll)	1					1	1
98	Marudin A. (Toniomaro)	1					1	1
99	datunashvili P.G. (Portalus)	1					1	1
100	Osintsev (Malgrat)	1					1	1
101	Sain T. (Temujin079)	6
102	Klyukin V.N. (Camel_blue)	4
103	Krasovskij E.A. (pegoopik)	3
104	D Z. (wa1t8k0tt)	3
105	Kharisov A.Ya. (Azamat777)	3
106	New R.G. (newLogin)	3
107	Koptel'tsev V. (selber)	2
108	vrtpoint (oddstn)	2
109	Yurchenko A.A. (y.aleksandr89)	2
110	P I.*. (IrinaPetr)	2
111	Koptilin I.S. (Il'ya1111)	2
112	Ibo K. (Kemchik)	2
113	Bogatyrev N.V. (BNV2873)	2					ban	ban
114	Egorov P. (pevlik)	2
115	Dashiev A.I. (SuperIdol67ObamaPrizma69)	2
116	Khassanov I.K. (plh1)	2
117	Krutoi (KentKrutoiBro)	2
118	Zhambalova S.O. (sayana2008)	2
119	Rogova V. (validoll1111111)	2
120	keieiuty (keieiuty)	1
121	Gitinomagomedov (gmansur88)	1
122	Yushina (anyush)	1
123	Tsvetkova S. (swetlana0613)	1
124	Voronov D. (Elnov.70)	1
125	Balakhnina A.N. (gomershand)	1
126	Sivov I. (capitanspring)	1
127	Malakhov A.V. (JLaKeR)	1
128	Vdovin S. (Rujan)	1
129	Ivan P. (wesppal)	1
130	Shagalov O.L. (TTC)	1
131	Kalmakova L. (LyudmilaKalmakova)	1
132	Tukhbatulin M.R. (Hellsanta)	1
133	Drozhzha D. (D-D-Drozhzha)	1
134	Petrov D. (Murcinhum)	1
135	Dolghieru A.N. (dolghieru)	1
136	Ivanov O.I. (OLEGIVA)	1
137	T (TA_IIII)	1					ban	ban
138	Kolpakov (VJiQ)	1
139	Sarkis'yan G. (gennadi_s)	1
140	Rodin (uoloki)	1
141	Pavlova E.V. (malinka113)	1
142	Frolova P.A. (Lee Lina)	1
143	N I.C. (GKGK)	1
144	Ikryanikov D.S. (Danila_I)	1
145	Sokolov (zelenogrodov)	1
146	R. (Wra1th)	1
147	Manatov I.A. (igrus)	1
148	Babaeva I.V. (Izzybelka)	1
149	Lysykh V.K. (Usilitel')	1
150	Akameeva S.V. (SVA1)	1
151	A K.A. (Mr_Wolf)	1
152	Vladimirova Yu.V. (Julia_V_86)	1
153	Tudupova U.B. (uianna)	1					ban	ban
154	S (Tinkershock)	1
155	Vasil'ev (GudiniMoonlight)	1
156	Bochkova (PunDora)	1
157	Smirom (Mooker)	1
158	Berseneva T.M. (Bersa_3785)	1
159	Shtumpf A. (shtumpf)	1					ban	ban
160	Ozerov K.A. (Nxthxn)	1
161	zhienbai S. (Sayat_07)	1
162	sar S.S. (dimashsaa)	1
163	Bokuchava A.G. (Teddy_23)	1
164	sul (sulem7)	1
165	Bayguchukova A.M. (ABayguchukova)	1
166	gerasimov (jdneerui)	1
167	kennedy L.W. (leonkennedy)	1
168	Tsyrenzhapova N.A. (nomini)	1
169	Anastasiya T.S. (AnastasyaT)	1
170	Koretskij M.S. (Mariiik)	1
171	Abuova M. (Abuova Meruyert)	1
172	Mutalap A.M. (Mantes228)	1
173	Bagryantseva D.A. (Dar'ya Meowdg)	1
174	Reyder V.V. (Vladyan_25)	1
175	Belyaeva E.V. (evb2555)	1
176	Kuznetsova Z.A. (esshhka)	1
177	Danilenko A. (Alexvell7)	1
178	Viktoriya (torifirsova)	1
179	Alexeeva C.A. (alecamic)	1
180	qweqwe Q.Q. (qwewqe11)	1
181	Nurken N.N. (shagute_kun)	1
182	Markayan A.L. (lexa765)	1
183	Kryazhev G.O. (grk1)	1
184	Basyrov M.R. (maxim656464)	1
185	Sh S. (junopark1)	1
186	Ivanov I.I. (nikoni)	1
187	iskygod (iskygod35)	1
188	oduor (ceasar11)	1
189	Mikhajlova S. (Sloechka)	1
190	Savost'yanov I.A. (-l1xo)	1
191	rasheni saqmea R.S. (logiccc)	1
192	Unregistered	16

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