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July 24, 16:57 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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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	Ivoyzha V.S. (Scripter009)	2	27	29	5	48
2	Savinova (Alenari66)	1	1	-2		2
3	Fom (Kamchatka)	1	1	-12		1
4	Borisyuk M. (Maria845)	1					13	22
5	Abbasov I. (ibrahim_@2005@)	3					15	18
6	Lomakina (lomchik)	1					10	18
7	Sorokin D. (sorokind)	1					11	15
8	Git'ko M. (sleep_deprived)	1					12	14
9	Khambikov (Aleksandr Gurman)	2					11	14
10	Turuzbekova A.M. (Aylin120699)	1					11	14
11	Korotkevich I.A. (somnambula)	1					9	14
12	Luneva D.A. (DLuneva)	3					8	13
13	Chizh G. (major333)	1					8	11
14	Aleksandr (ALEX3411)	2					7	11
15	Ivanov I.I. (kurabeha01)	1					7	11
16	Egorova A.O. (Sasha1994)	1					8	9
17	Andreev V. (vaskir_)	1					7	9
18	Olamiai (Nikita12367)	1					5	9
19	Titov V.A. (va_titov)	2					7	8
20	Revin A.A. (AntonRvn)	1					6	8
21	piopio5 (piopio5)	1					5	8
22	Zaluzhskij V.S. (vszsky)	1					7	7
23	vvvv (vvvvd)	1					6	7
24	Greenleaf E. (EstellG)	1					6	7
25	Khokhlov (TermiDD81)	2					5	7
26	Chepovskaya Yu.I. (Solllary)	1					5	7
27	Burtonov A.V. (tak to)	2					4	7
28	Kodochigov M.S. (KMS70)	2					6	6
29	Savchenko V.P. (Vladislav11111)	2					5	6
30	Silant'ev N. (Pylone)	2					4	6
31	Vor (Daschutka)	2					4	6
32	Efremov D.A. (avaphalne_17)	1					4	6
33	Go G.G. (greegory)	1					4	6
34	Sadomtsev A. (Artemucho)	1					3	6
35	Lemana K. (Lemana)	2					5	5
36	riqi (riqqqi)	2					5	5
37	myname (joffner)	1					5	5
38	Trofimova (ntrofy2026)	1					5	5
39	Khalkiopov V. (khalkiopov96)	1					5	5
40	Romadin K.S. (Snezhokich)	1					5	5
41	Akulovich E. (Elena Akulovich)	1					5	5
42	Liakh (JsBot)	1					4	5
43	Konovalov (Areksei)	2					3	5
44	Vavel' V.A. (VikVav)	1					3	5
45	Koloskov (Art_Dart)	2					ban	ban
46	Semerkina L.M. (Lyubov'67)	2					4	4
47	Shuminov E. (EzraSh)	1					4	4
48	Katkov B. (Bagrad)	1					4	4
49	Komissarov E. (Lalafa1)	2					3	4
50	Vinter A. (alexwint)	1					3	4
51	Egorova (EAzltoe)	2					2	4
52	Cernius A. (a.cer)	1					2	4
53	Mikaya (Gio9248)	1					2	4
54	Kirpankar K. (Kunal_Kirpankar)	1					2	4
55	ess (ernyg)	1					ban	ban
56	Nozdrachev A. (nozddr)	1					2	4
57	Trenyova (Joullius)	1					2	4
58	Govorova V.E. (meowmeow1)	3					3	3
59	Romanov A.A. (andromus)	1					3	3
60	Ushakova (truksu)	3					2	3
61	Woland (Wolandd)	1					2	3
62	Buzin V.A. (Skelen__)	1					2	3
63	L A.S. (antonio01110011)	1					2	3
64	Kostrygina (Hiki_Imaru)	1					2	3
65	edmond2 (edmond2)	1					2	3
66	bar B.B. (bal322)	3					2	2
67	Grudtsyn (CheSeVee)	1					2	2
68	Aleksandrov N.P. (Franklin_Lakosa)	1					2	2
69	Tovmasyan D. (kidivad22)	1					2	2
70	Yashina (T.777)	1					2	2
71	Nikolaeva V.V. (@molly)	1					2	2
72	Kelb (dkrg)	1					2	2
73	Folomeev (Cap1568)	2					1	2
74	Polyakova V.M. (Roni0x)	2					1	2
75	Zhelnovach A.V. (Amatiri)	2					1	2
76	1 (Dimas1p)	2					1	2
77	Kolmogorova (NadK)	1					1	2
78	Evstaf'ev D.A. (Redis22)	1					1	2
79	Adigamova M. (milkazz)	1					1	2
80	Riga V.K. (harleyxrrr)	1					1	2
81	Nata (legenda22222)	1					1	2
82	Iroshnikov (azwsdq)	1					1	2
83	Zubkov D. (Dm54)	1					1	2
84	Zhirnova A.A. (Alisik)	1					1	2
85	Ponomarev M.P. (MatveyF)	1					1	2
86	Malikov A.A. (Ara2002)	1					1	2
87	Haciyev I.A. (Ismayil)	1					ban	ban
88	Levin Yu.A. (pdestroyer)	1					1	2
89	bobr_kurwa (bobr kurwa)	1					1	2
90	Islamov (almazSecond2234)	1					1	1
91	Rezvan (SilentLand33)	1					1	1
92	Eliseeva K.V. (Kseniya Eliseeva)	1					1	1
93	Korolev A.A. (Ereticheskij Chajnik)	1					1	1
94	Voronov R. (edemr26)	1					1	1
95	Urakina K. (Ksu774)	1					1	1
96	Sayyan V.R. (Vah_666)	1					1	1
97	trnv D.M. (dmtrnshsss)	1					1	1
98	Kassymbayeva N. (Naz_ka)	1					1	1
99	Krasovskij E.A. (pegoopik)	3
100	Sarkis'yan G. (gennadi_s)	3
101	jopa B.B. (jopabobra)	3
102	Altashin S.V. (burrito)	2
103	Kasimova (Anna2022)	2
104	Strukov (StrukovSA)	2
105	Belova A.A. (wewmy)	2
106	Akimov N.V. (Nikita A)	2					ban	ban
107	Alek (litvin001)	2
108	Frantsuzov R.S. (Francuz94)	2
109	Bakhtov (Bakhtov_1)	2
110	Rusak E.N. (savva03)	2
111	Kozlova M. (Mashkevich)	2
112	Sokolova (Sokol1120)	2
113	RUBANOV M.N. (maks.ru)	1
114	Pupkin (Kikimora)	1
115	Golubeva (Sutie)	1
116	Sigankov V.I. (vasilyvanc)	1
117	Balashova (albalashova)	1
118	Zhur (Tanets)	1
119	Vodolazova A.V. (Vodolla)	1
120	Maksimov N. (Nik1986)	1
121	Rogov (MChirkov)	1					ban	ban
122	Bas (mashyt1)	1
123	Selezneva Ya. (Ena)	1
124	Perevyshko (Sve-Svetlana.gu)	1
125	Jha R. (Sirravi)	1
126	Kolchanov A. (Khadir)	1
127	Bondarenko D.B. (Hecvi)	1
128	Kochkin D.V. (DimsSMC)	1
129	Kibalyuk A.S. (TheNulky)	1
130	Shik I.Sh. (shikino)	1
131	Bklnv (strtXIII)	1
132	Abbasov V. (abbasovv)	1
133	Koro A. (Jondib)	1
134	Avdulova V.A. (vld.avdulova)	1
135	Khleborodov A.L. (Om_NoM)	1
136	Dogadov S.V. (Serzho)	1
137	Ch A.A. (shChsh)	1
138	Denisova (D_Tat'yana)	1					ban	ban
139	Ezhov R.S. (akira_nvm112)	1
140	Dyagileva O.M. (Olya Dyagileva)	1
141	Kulikov M.O. (maximcka87)	1
142	Knestyapin R. (Rusekk)	1
143	Malinchik K.D. (Skaipia)	1
144	Kotsuba A. (Kocuba_88)	1
145	Beast M. (mr beast)	1
146	Antonov I. (shkedin)	1
147	Odegov A.I. (KovroLitik)	1
148	R. (Wra1th)	1
149	Samshudinova V.E. (VIKSIEE)	1
150	Ermakov R. (malic)	1					ban	ban
151	Muratov D.A. (Enovostuck)	1
152	Bl A.R. (selivanastas)	1					ban	ban
153	Shaikh (Angy33)	1
154	Kazakova A.P. (melwee)	1
155	Lysykh V.K. (Usilitel')	1
156	Akameeva S.V. (SVA1)	1
157	Goldobin E.G. (prm259)	1
158	Ye Y.A. (Yertt)	1
159	Chernenko (Schwartz_max)	1
160	Bogatyrev N.V. (BNV2873)	1					ban	ban
161	Evgen'ev (gek_c)	1
162	Kondrat'ev A.F. (Alekss361)	1
163	dufivara (d.ufivara)	1					ban	ban
164	Dyachenko M.P. (AllMutes)	1
165	Stasenko S.E. (Stavislav)	1
166	Kovaleva Yu.K. (Kov@l')	1
167	Slaunikau (r3liston)	1
168	Nos Ya. (yana_nos)	1
169	Dem'yanenko P.V. (Drugan174)	1
170	Ryzhikova P.S. (polinapir03)	1
171	K. A.V. (AlexanderK84)	1
172	Kresov A.D. (crouton)	1
173	Saperov S.V. (s4per)	1
174	Sergazy A. (sergazy11)	1
175	Yur (Stipashka06)	1
176	Pischina D.A. (TheDpA)	1
177	Matyugin E. (lordpr)	1
178	Kim D. (DkimsonSQL)	1
179	Lebedintsev V.D. (PSpecer)	1
180	Ahunova (Lita8)	1
181	Bakaeva Yu.A. (ulabakaeva)	1
182	Raemgulova (gtguhyhyiroo)	1
183	Mandzheev V.N. (vehhh)	1
184	Eskyuelov (Zaproz)	1
185	Kurskaya V.M. (VMika_)	1
186	Shomuradov A. (chessmaestro)	1
187	Kashapov T. (yabureru)	1
188	Proskurina N. (an.rhaingolt)	1
189	. (Hymera)	1
190	Rodriguez G.A. (GustavoAlfredo)	1
191	Zajtsev A.A. (MrTrafi)	1
192	Ryabikina (Allusikk)	1
193	Kondrya K. (ak444asek)	1
194	Radzhabov N.M. (Nariman1980)	1
195	Gojdov (n1kt0)	1
196	Kuyanov M. (MIRok73)	1
197	zal (hedinort)	1
198	Gavrichenko M. (remw8l)	1
199	Min'kov G. (gggggggZ)	1
200	Opasniy B. (ibrahim_@2005@@)	1
201	Bo O. (Ollpsevdonim)	1
202	Kryzhanovskaya M. (miilverr)	1
203	Unregistered	33

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