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February 07, 17:25 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	fioletovaya (fioletovaya2)	2			4	5
2	Sil'van (silvr)	2	1	47		3
3	Safronov P.A. (Paulus73)	1			1	3
4	Meleshkin M. (maksmel2k)	1	2	2		2
5	. Yu... (Yurchello)	2			1	1
6	Olpanbay A.A. (Assylzhan232)	2					15	26
7	Olpanbay A.A. (Assyk232)	4					15	25
8	zhumazhan A.Zh. (akiiii)	2					ban	ban
9	Sadykay A.S. (Akzhollio)	1					15	25
10	telagisov D.D. (SAVER454)	5					15	24
11	Baymukhambet A. (_koyan)	1					15	24
12	maliciousintent (maliciousintent)	1					15	24
13	Yerlanuly A. (Moon077)	1					15	24
14	Kudaibergenov I. (Ilyassickk)	1					15	24
15	kamalova S.S. (sofiyakamalova)	2					15	23
16	Zhyrgalbekkyzy Z. (jasminjyrgalbek)	1					ban	ban
17	Talgat A.B. (Altux)	1					13	20
18	Bakieva M.R. (Madya)	1					12	20
19	Permyakova M.A. (mary_spring98)	2					12	19
20	milashevich A.M. (andreymilashevich)	2					15	18
21	Shironina A.A. (anya shironina)	1					15	18
22	Derp (Herp)	1					15	18
23	Orlov G.K. (grsc)	1					14	17
24	es E.E. (taevxe)	2					13	16
25	Lolenko N.V. (crysis1812)	2					10	15
26	Sadykova K. (sensou)	1					10	15
27	Bagdasaryan A.A. (Armaand)	2					ban	ban
28	Loyd L.L. (lloyd92)	3					11	14
29	Zholdigaliev (S1ko)	3					8	14
30	Adil (eclassic32)	2					8	14
31	Nastaev (Hmurikot)	1					10	13
32	Kolobovnikov B.R. (bodyan42)	1					8	12
33	Mukhortov P.P. (petrmukh)	1					6	10
34	Tentacle (riva tentacle)	2					7	9
35	Atanasov H.M. (hristo_a)	1					7	9
36	Dimasik (MasklDI)	1					7	9
37	Ryan R.R. (Ryan3111)	2					6	9
38	Astakhov I.I. (IvanAstakhov)	1					5	9
39	Kharina E.S. (katuhhr)	1					5	9
40	Proskudin (StasProskudin)	1					7	8
41	Otradnov (Sdn19012026)	1					5	8
42	Aliaskar A. (Babadui)	1					5	8
43	Alex A. (xarlama)	2					6	7
44	Zagorel'skij A.M. (Alexey_Zago)	2					6	7
45	Klement'ev A. (klema_10)	2					6	7
46	Fein A.V. (AlexPfaltz)	1					6	7
47	Kovalev M.A. (Maxiiiiiiiiiii)	1					6	7
48	Durov (PolPoper)	1					6	7
49	Kamza A. (drgibjosh)	1					5	7
50	Urnesh (minaray7)	1					4	7
51	Novikov N. (nnovi)	1					4	6
52	Dron D.D. (Dron1234)	1					3	6
53	Lavrov A.P. (lavoient)	2					5	5
54	Kuandykov B.D. (beksa)	1					5	5
55	garfild (andy03)	1					5	5
56	abitov A.A. (GeT_RekT)	1					5	5
57	Magomedalizade O.V. (OrikMelancholic)	1					4	5
58	123 1.1. (ownzjke.)	1					ban	ban
59	Belyaev I. (theneverwhere)	1					3	5
60	moon (__moon__)	3					4	4
61	Olotov (Andre1220)	2					2	4
62	Evgrafova (vagrfv)	1					2	4
63	Pelepelin A. (ToniMekh)	1					2	4
64	Savchenko V.P. (PowerOfGod)	1					2	4
65	Shibaev (orman)	2					3	3
66	Yurischev (Kukush2023)	2					3	3
67	kiseleva V.V. (VV_7732)	1					3	3
68	Yermukhan R. (gokuguro)	1					3	3
69	Ignatov (ka_ignatov)	1					2	3
70	G (rx0unicorn)	1					2	3
71	gabaraev D.Z. (davidgg)	1					2	3
72	Vysotskij (Bulochka_Bulochka)	1					2	3
73	Familiya (sbtk)	1					2	3
74	Khabibullin T. (t_m_x)	1					2	3
75	Molianov (oleeq)	1					2	3
76	Dyuzheva A.M. (Chous)	2					2	2
77	Zhargalyn E.A. (ezh2125)	1					2	2
78	Konyahina (YanHi)	1					2	2
79	7779857415623 (7779857415623)	3					1	2
80	Ivanov P.P. (PavelPLAT)	2					1	2
81	Romanov R.S. (Romanov_Roman)	1					1	2
82	Ivanov I.I. (Kynx)	1					1	2
83	Bueva A.V. (yeeen)	1					1	2
84	Umbetbaev R.A. (rassulumbetbayev)	1					ban	ban
85	Nemashkalova (twinkle5016)	1					1	2
86	Ruslanov (saimond)	1					1	2
87	K T.K. (Togzhanka)	1					1	2
88	Shaju A. (Aditya18)	2					1	1
89	Orlov (ktrsis)	2					ban	ban
90	Ostroushko D.F. (DmOst)	1					1	1
91	Zamotajlo A.A. (Zamelo)	1					1	1
92	Afanevich E. (Ketra)	1					1	1
93	Seregin (okdaha)	1					1	1
94	Yastrebov D.D. (Yakimori)	1					ban	ban
95	Suslov A.A. (Susel 5757)	1					1	1
96	Timerkhanova (Muza12)	1					1	1
97	Novitskaya (Katinn)	1					1	1
98	Il'ya I. (Forz')	1					1	1
99	Knutov (stalagm1te)	1					1	1
100	Grechishnikova L.M. (Lidiya0512)	1					1	1
101	Badmaev Ch.V. (Mr.Ches)	1					1	1
102	Russkikh V.R. (trg6661)	1					1	1
103	Gusev A.O. (NowOrNever)	5
104	Vdovin S. (Rujan)	3
105	Novikov S.V. (@Ser589QA)	3
106	Ovchinnikov V. (ZHOAS)	3
107	Komarov A.N. (Shveda Saulya)	2
108	Garanin (SQL_supermaster)	2
109	Selezneva Ya. (Ena)	2
110	Tonkov (Dimaton)	2
111	Platonov A. (Golden-Times)	2
112	Odegov A.I. (KovroLitik)	2
113	Gorkov (narr3309)	2
114	Amir (Letede_HIts)	2
115	Zholdasbaj K.M. (proxymocentavra7852)	2
116	Bashkin N. (bashkinnaksim)	2
117	Fishkov D. (faek)	2
118	Ivanov I.I. (Pipa)	2
119	Krasovskij E.A. (pegoopik)	1
120	Petrov Y. (YuriPetrov)	1
121	Koptel'tsev V. (selber)	1
122	Pekar' O.O. (Eskgsk)	1
123	Novikov (akka2014)	1
124	Samojlov R. (Haribda_Junior)	1
125	Korkin A. (voron3222)	1
126	F S.N. (Stan_2015)	1
127	Matroskin (Kot_Barsik)	1
128	B M. (djarlaks)	1
129	Esin K.S. (Kirill Esin 89)	1
130	Mubarakshin R. (Scar4ik)	1
131	Ivanov I.I. (vlad91)	1
132	Esin I.S. (Iesin)	1
133	Tveretniov P. (Paul.sv)	1
134	Kajkova I.V. (ira_kay)	1
135	Petrov P.P. (Pod123)	1
136	Kovaleva O.A. (Yo kai)	1
137	Marinin I. (mightyduck!)	1
138	KL1MMMM (KL1M_)	1
139	Anischenko A. (antony1989)	1
140	Idyrov N.S. (Narimanid)	1
141	Abramov (Atton22)	1
142	Kutsenko D.V. (Mixtypa)	1
143	wee H.H. (supersashka57)	1
144	Serebrov Y.Y. (Eugene_Ser)	1
145	Shishkin (Danil_Sh)	1
146	Lusch N.S. (Deyko)	1
147	Bash N. (nikolay_bash)	1
148	Zemskova A.B. (Pineapple_Pie)	1					ban	ban
149	Sarkis'yan G. (gennadi_s)	1
150	Malikov A.A. (dzenn)	1
151	Begunovich S.G. (Canursus)	1
152	Kushnir S.A. (Wishmaster190281)	1					ban	ban
153	PENCHUK A. (ANNAPENCHUK)	1
154	Ivanov (userTest1)	1
155	Zhalnin M.Yu. (Chepun)	1
156	Vezdenyov A.S. (Student_108)	1
157	Ivchenko A.V. (Anketka)	1
158	241 4.1. (shiningsheep1)	1
159	Povalyaev N. (miragecat)	1
160	Preobrazhenskij D.S. (Ollldman)	1
161	Makarenko Z. (zzponch)	1
162	R. (Wra1th)	1
163	Dolgov A.V. (Sanchek)	1
164	Storozhkova E.Yu. (Sezha777)	1
165	Zhurtov M.Kh. (Muricle1995)	1
166	Komov S.M. (Komov S. M.)	1					ban	ban
167	Abubakarov T.R. (DoubleT)	1
168	Zavetkin A. (Barrakuda192)	1
169	Lysykh V.K. (Usilitel')	1
170	Tarasov A.D. (shmatok)	1
171	Kozhokeev D. (Drager13pt)	1
172	Reuben D. (Rbn977)	1
173	Tret'yakov N.A. (lyblyPfek)	1
174	Gorokhova A.G. (aina_gr)	1
175	Ivanov I.I. (IvanovII)	1
176	yulaeva S.R. (suwwbinx)	1
177	Belyak (TheTester)	1
178	Saderdinov A.R. (cardinokaa)	1
179	Petukhov D. (DmitryData)	1
180	Wowson (Einwohnerrusslands)	1
181	Ershova V.V. (vera1507)	1
182	Mikhalyov E.S. (evgensiii)	1
183	Mikhajlyuk A.V. (arhimemchik)	1
184	chore P.P. (devil89)	1
185	Maksimova V.A. (mavial)	1
186	Red'kovich A. (SilkyOwl)	1
187	Vorob'ev I.B. (PalmaTheProger)	1
188	Nothing N. (sektaz)	1
189	Pop Ya.V. (Unqe)	1
190	Mukminova A.F. (Al'bina1997)	1
191	Syhymbekkyzy S.S. (Sabpp)	1
192	Zhanasov Sh... (shyngys zhanassov)	1
193	Agafonov A. (des_destry)	1
194	Amirkhan A.A. (Amirgo)	1
195	Goldobin E.G. (prm259)	1
196	okey (knueL1337)	1
197	Akebek M. (Miras38097)	1
198	Abiken Z. (zhuzi006)	1
199	Gazimov M.R. (Mvr.one)	1
200	Baktiyar D. (dinara baktiyar)	1
201	Tret'yakov A.V. (a_tretyakovv)	1
202	Kanashkina A.V. (Stasya_1)	1
203	Bzhiskij (Meirr)	1
204	Yushkov (kopernik229)	1
205	Kungurov E. (Kungurov Eduard)	1
206	Sibejkin I.A. (POIUYTHEHAPPY)	1
207	Ismailov A.E. (Guddzon)	1
208	Bityutskij S.A. (HaNsOo)	1
209	Zanko D. (Anhel_klx)	1
210	Konstantinov A.E. (Kalindell)	1
211	Annageldiyeva O.A. (umyt)	1
212	Epikhin (bogchanskij)	1
213	Bondarev I.S. (ivi7117)	1
214	Kovalev M.A. (Maxiiiiiiii)	1
215	Cernica I. (CernicaJohn)	1
216	Semenova M.S. (MariiaSemenova)	1
217	Delikov D.A. (Gilly_Suzan)	1
218	nikoc (nikoc_68)	1
219	smlv S. (sphsmlv)	1
220	Belov D.Yu. (DanilVor)	1
221	Ivanov I.I. (zik_p)	1
222	Gnutov (Mate63)	1
223	Volkov I.V. (Ilya Volkov)	1
224	Persen A. (ArsenPersen)	1
225	Koklina S. (Stanislawa)	1
226	NEsterov I.V. (effulgel)	1
227	Sergeeva K.G. (ksmiddlemist)	1
228	Sadykov (romeo123321)	1
229	Eliseeva N.S. (Nata949494)	1
230	Unregistered	38

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