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June 22, 14:52 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	karina K. (hbabdfhkdf)	2			9	9
2	Kozlov K.N. (iksdik)	1			3	6
3	Safronov P.A. (Paulus73)	1	1	122		1
4	L (angch)	3			1	1	7	8
5	ss A.S. (SashaSS)	1			1	1
6	DanvFox12 D.F. (DanvFox)	2					45	78
7	Tudupova U.B. (uianna)	1					ban	ban
8	Tratseuskaya (klmtn)	1					15	26
9	Guzova A.E. (sunflower18)	1					15	25
10	Lyalikova (nastusha777)	1					ban	ban
11	Dudkevich V.V. (CitrusBird)	1					15	23
12	Taigarayev Y.K. (ZeroFGM)	2					ban	ban
13	Temirgali N.K. (NurTem)	2					13	22
14	Gus A.M. (yu1kkken)	1					14	20
15	Bayarov A.B. (AidarBv)	1					ban	ban
16	Pakhomov (play_boy_x)	2					ban	ban
17	asd (asd1kok2)	2					15	18
18	asdfasdf A.S. (arcanix)	2					15	18
19	Aksenov D.A. (ak5eda)	1					15	18
20	Sal'manov O.P. (3303)	1					15	18
21	Sen E.-. (ytrewq190204)	1					15	18
22	Aruzhan (Arumain1111)	1					15	18
23	Vernigor K.I. (kistyapro)	1					15	18
24	Volkova E.A. (Katerina2404)	2					14	17
25	Serikkali B.A. (Beknur)	3					10	17
26	7shkin S.V. (Slavnik)	1					10	17
27	Pahadayeu A. (AndOffline)	1					10	16
28	Barakov A. (BarakovAsyl)	2					8	14
29	Sojtu A.D. (anyasoytu)	1					11	13
30	erlanzh E.Z. (erulanzh)	1					10	13
31	Shilova I.V. (YakumoDate)	1					9	12
32	Terent'ev A. (NyYami)	2					7	11
33	Lyakhov N.V. (Nikitosichek)	1					7	11
34	Vernigor K.I. (kistyaww)	1					6	10
35	dosmurza S. (dosikkk6)	2					7	9
36	Vlasova D.D. (di_vls)	2					7	9
37	Novikov I. (Ilya_novikov)	1					7	9
38	Varfolomeeva A. (mee-nah)	1					6	9
39	Yatchenko (Andrew Yatchenko)	3					ban	ban
40	Bezhnar A.I. (artikius)	2					5	8
41	Kozha (araisan)	1					5	8
42	Katsubo (santekhnik yaits)	1					5	8
43	Ignatovich P.V. (polinaignatovich)	1					5	8
44	Olejnikov K. (Kost1k)	1					5	8
45	Adamokov G.I. (Ebotonna_krupavoz17)	1					6	7
46	Bondarenko E. (ad_Astra)	1					ban	ban
47	Pagin D.F. (paginxd)	1					3	6
48	Mall E. (eugen2134)	1					5	5
49	erveb E.B. (niiiigiiggijq0g)	1					5	5
50	kh K.A. (rjrj)	1					5	5
51	Tikhomirov V.B. (t-slava)	2					3	5
52	Shashok (hallucination)	1					3	5
53	Pushkarev S. (PSV_n)	1					3	5
54	y Y.Y. (y12309)	1					3	5
55	Dev109 (Dev109)	3					4	4
56	Polikarpov K. (kir0206)	1					4	4
57	Kostina K.O. (KristinaKostina)	2					3	4
58	Okolnikova (SofyaO)	1					3	4
59	Daron (Daron_g)	1					3	4
60	1 1.1. (feriell)	1					3	4
61	Irina (Emberlaki_79)	1					2	4
62	Mikaya (Gio9248)	1					2	4
63	Shubin M. (Rayden0115)	1					2	4
64	L D. (Dann8998)	1					2	4
65	Pugach N.V. (Pugach Nikita)	1					2	4
66	Leblanc M.P. (Arsene_Raoul_Lupin)	1					3	3
67	Ivanov D.I. (VivaLaVida)	1					3	3
68	Filatov V.D. (ViktorFilatovD)	1					2	3
69	Pankratova N.D. (Nadegda94)	1					2	3
70	Boronbaev D. (senpaidias7)	4					1	2
71	Aleksandrenkov D.A. (ik_los)	4					1	2
72	Pozdnyakova A.P. (Anlginka)	3					1	2
73	Berezovskaya D.V. (dashaeverafter)	2					1	2
74	Batodalaev D.D. (Dashi)	2					1	2
75	Amirbekov A. (lawest02)	2					1	2
76	Garaba (muslistener)	1					1	2
77	Alavatskaya A. (Alavator)	1					1	2
78	Orlov A. (esterio)	1					1	2
79	Biktagirov R.I. (biktag1)	1					1	2
80	Avgustyonok A. (mangustenok)	1					1	2
81	Kalita P.P. (Pasha169)	1					1	2
82	Zhivotenko N.I. (Kolya777.21)	1					1	2
83	Zhargalov A.Zh. (zhat)	1					ban	ban
84	Obukhov A.V. (Alex_71)	1					1	2
85	Stroev A.A. (sni1lout1)	1					1	2
86	Soboleva I.Yu. (Matreshka_)	3					ban	ban
87	Ivanov I.I. (foobarboo)	2					1	1
88	Kalinina M.A. (Mari888)	2					1	1
89	Topilina E.V. (kat9i)	1					1	1
90	Nikonov (Enevir)	1					1	1
91	Tskhao N.M. (caonimenma1)	1					1	1
92	Samsonov A.Yu. (Bot_to_be)	1					1	1
93	Iva E.A. (PlatinumKub10)	1					1	1
94	Korkunova K.V. (shpilka_ml)	1					1	1
95	test (qwerty37892)	1					1	1
96	L L.L. (lbrstq)	1					1	1
97	Kuts I.S. (wasstend1285)	1					1	1
98	Gitinomagomedov (gmansur88)	4
99	Cherkinskiy A.O. (poopuskin)	3					ban	ban
100	yagubova Z.Y. (zulfiyya)	3
101	Krasovskij E.A. (pegoopik)	2
102	Valeev N.M. (m1nder)	2
103	Abdulmanapov A. (Dvarik)	2
104	Yurchenko Ya.V. (Fizmarazmat)	2
105	fioletovaya (fioletovaya2)	2
106	P I.*. (IrinaPetr)	2
107	Kyroto1 A. (Kyroto)	2
108	Perekalov I.V. (Anino3333)	2
109	Shamakov (Work_work)	2
110	zharova M.B. (malikkkk)	2
111	Lobanov N. (demonster)	2
112	Zhukova K.I. (Winniw)	2
113	Shumikhin P.A. (pvl28)	2
114	Vyazovetskov A.S. (alex_v)	1
115	Kuz'mina E.V. (Fiction)	1
116	Shibaev (saah)	1
117	keieiuty (keieiuty)	1
118	Marinin (prochiy1)	1
119	Koptel'tsev V. (selber)	1
120	Sid (cyrus123)	1					ban	ban
121	Kalinin A.A. (Anthropomorph)	1
122	Ushakov S. (MoyPsevdonim)	1
123	Pototskaya (kusochek-91)	1
124	Temirgaliev T.M. (temirgalievtimur)	1
125	Smith (tibacityblues)	1
126	Ralavets (Suncatcher)	1
127	Tsay S. (Sergey Ts.)	1
128	Ivanov V. (vityansk)	1
129	Koloskov (Art_Dart)	1					ban	ban
130	Nikolov (petarnikolov)	1
131	tang H. (tanuhauser)	1
132	Shirepova E. (erklya)	1
133	Borschovetskij I.N. (Igor2.0)	1
134	Skuratov S.A. (skuratov-sa)	1
135	Kovalenko A.A. (Andrey86_)	1
136	sumula1234 (sumula)	1
137	vktory369 (vk1991)	1
138	Zhukov N. (sariya_)	1
139	Dogadov S.V. (Serzho)	1
140	pavlov (PVLV22)	1
141	Sinyaev A.Yu. (rash_net)	1
142	Pechkin R.E. (ZiRus)	1
143	Zhdanov (Romain1408)	1
144	Gug (Serg Pitkin)	1					ban	ban
145	Sarkis'yan G. (gennadi_s)	1
146	Kas N. (kukuruza_a)	1
147	zem V. (vit_363)	1
148	Chragyan K.Zh. (KRISTINA190120)	1					ban	ban
149	Ivanova (Ann_Ivanova)	1
150	Ivachev N.N. (Vulpes_Z)	1
151	Koroleva Ya.D. (Edith_Ld)	1
152	R. (Wra1th)	1
153	Nik (nikvip)	1
154	Artsyshevskaya I. (esc_del)	1
155	Maksimovich (serg_sputnik)	1
156	ss S.E. (sancho2502)	1
157	Lysykh V.K. (Usilitel')	1
158	Stetsenko N.A. (kaidan)	1
159	Petrachkov (exely)	1
160	Tuzova V.S. (vika_tuzova_)	1
161	Shuklin E.A. (ydreamin)	1					ban	ban
162	Karimzhan N. (nomad_g)	1
163	Gadzhiev (nu3on)	1
164	SQLMASTER (SQLMASTER1864)	1
165	Meleshenko Yu.A. (ewryser)	1
166	Anton A. (feerbax1)	1
167	Yakovenko A.V. (artik_ya)	1
168	Sinyachenko M.A. (reensv)	1
169	Z Y. (YERL)	1
170	Petrov A.I. (Tobo-bobo)	1
171	Grakova (grakovka)	1
172	S (n1pron)	1
173	Vittman M. (DarkWatcher)	1
174	Nazarov (Neislaw)	1
175	Rybin (AlexRybchik)	1					ban	ban
176	Petrukhin M.A. (DidicitDiscere)	1
177	Kydyrbekova Z. (Solo369)	1
178	Tyo V.E. (Miracle-)	1
179	niko (lenovolog15)	1
180	Beloborodova S.A. (belosofia)	1					ban	ban
181	Turuzbekova A.M. (Aylin120699)	1
182	Pakhomov A.S. (pahomovas)	1					ban	ban
183	Tlegenov I. (tlegenovv)	1
184	Pedur (gitaristdaone)	1
185	D (IlyaDukh)	1
186	ivanova L.N. (123123lolkek)	1
187	Kut'enkova M.A. (Tarien)	1
188	Parnikova I. (IraProtivZhira)	1
189	tdav E. (EXCE7RA)	1
190	Ivanova A.A. (Nasstia449)	1
191	Savin V.V. (Sexi pepsi)	1
192	Petrov D.V. (funnyXlrd)	1
193	Lesota (lesota)	1
194	Ivanov I.I. (Ivanych81954)	1
195	Denisov A.S. (Godzho Satoru)	1
196	She D. (Diamond_666)	1
197	Ogarkov M.S. (ArcaneHopefront)	1
198	roit (roiti_demo)	1
199	iva M. (Mariya1809)	1
200	Unregistered	33

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