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October 10, 16:01 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	Scheglov A.V. (Andryukha555!)	3	4	4	8	13	13	16
2	Sarkis'yan G. (gennadi_s)	2	1	208		3
3	Sh S. (junopark1)	3	1	39		2
4	Gachegova I. (ilonza G)	2	1	1		1
5	Grabchuk A.M. (Middlewarer_pseudo)	1			1	1	1	1
6	Ivanov (fgwsdgerdgregerg)	3			1	1
7	vakhitova S.N. (Sebi123)	1					ban	ban
8	Sajkin N.F. (Nikollass52)	1					15	26
9	Neskazhu (lafffaic)	1					15	26
10	Belkov D.A. (belkov_da)	2					ban	ban
11	Gadel'shina V.D. (GadelshinaVD)	2					ban	ban
12	Valiullina K.E. (Karina289)	1					ban	ban
13	mustafina (Mustafina)	1					15	24
14	Khabibullina K.A. (tokll)	1					15	24
15	Klimontova M.A. (white1804)	1					15	24
16	Tatarinova A.D. (obezyana)	2					15	18
17	Yamaev A. (AlexQQ2288)	1					15	18
18	Gabdrakhmanova A.N. (Blazershake)	1					ban	ban
19	Chub K. (chubk)	1					ban	ban
20	Voronina A.D. (vorona6767)	1					ban	ban
21	Malyavina Ya.O. (malyvina_25_1)	2					13	17
22	Belkov D. (Belkov2026)	2					13	16
23	Salikhov R.A. (Ruzik707)	2					10	16
24	Shevchenko S. (sshevche)	3					11	14
25	Kakoj-totamov K.N. (Blazershake2)	1					ban	ban
26	Fedunes G.R. (Fentiflyandr)	1					9	13
27	Shistka S.I. (Sviatik_182003)	4					9	12
28	Naumov I.T. (Elizardxin)	1					9	11
29	Strakhova V.E. (VLDST)	2					8	11
30	Bondarchuk G.V. (Gosha11112233)	1					5	10
31	Shermad G.K. (wong)	1					7	9
32	Peshekhonova Yu. (Hartwidder)	1					7	9
33	-- -.-. (sssnow1)	1					6	9
34	Zhuravlev V. (Vlad_1996)	3					5	9
35	Orinbaev W.E. (Walli905)	2					6	8
36	Schennikova D.D. (psheno6767)	2					ban	ban
37	Gorbachev P.I. (Felichitahuelichita)	3					ban	ban
38	EEEE D.A. (sorryydead)	2					7	7
39	Kulbaeva D.D. (dilnozakulbaeva82@gmail.c)	1					7	7
40	kujabergenova D.N. (kujabergenovadilfuza)	2					6	7
41	dofihg (dofiHG)	2					6	7
42	bfbfbfbf (nilsi)	2					ban	ban
43	Monakov N.G. (Chicken_gun_2009)	4					5	7
44	Olimpiev D.V. (oldyrda al'bert enshtejn)	3					5	7
45	Bykova E.A. (Liza5335)	1					ban	ban
46	Ivanova E.A. (kater700)	2					4	7
47	Omirbaeva G.B. (Silphy)	1					6	6
48	Luk'yanov P.A. (gsaraw)	3					4	6
49	Dyadischeva K.O. (zolo2004)	3					4	6
50	Arshulik A.V. (rozzhig)	2					4	6
51	Saprykin L.P. (VovchikAura)	2					4	6
52	Ermat A.E. (Ayazzat)	1					4	6
53	Chub K. (chub_k)	1					ban	ban
54	Sanin A.M. (alexeysanin)	2					5	5
55	utepova S.O. (shaxlo)	2					5	5
56	Ish (dm1sh)	1					5	5
57	yakipbaeva A.P. (yakipbaeva2006)	1					5	5
58	Yashina A. (k4litushka)	1					4	5
59	Markin N. (Qmaro)	3					ban	ban
60	Lepilov (Sahalyar)	1					4	4
61	- (vlazhnyj mokh)	1					4	4
62	Happy (DontWorryBeHappy)	1					3	4
63	Boeva A.S. (ssuvstakan)	1					3	4
64	Tarasov (zalupan)	1					3	4
65	Oliver (klavamish)	2					2	4
66	Akin't'ev A. (Stephanosss)	2					2	4
67	Urakin A.V. (Selper)	1					2	4
68	Shekhov M.A. (MaksS_10)	1					2	4
69	qwerty (laba5_sqll)	2					ban	ban
70	Bereslavskaya (bereSasha)	1					2	3
71	Faskhutdinov A.A. (sfiler)	1					2	3
72	Gudkov K.S. (CSKir)	6					1	3
73	Ismailov M.A. (marselij)	3					2	2
74	Smirnov A.E. (p4tk)	2					2	2
75	turdibaeva N.N. (nilufarturdibaeva)	2					2	2
76	Kormilitsyn A.V. (alrosa9)	1					2	2
77	Khafizov L.Z. (Lenarkhaf)	1					2	2
78	Gajnetdinov (happyMri)	1					2	2
79	Shokan M.A. (mrsn1235)	1					2	2
80	Khopta A. (APetroWhich)	1					2	2
81	Gabdrakhmanova (123BD)	1					2	2
82	Uvaev A.A. (Pompilio)	3					1	2
83	Shagalov O.L. (TTC)	1					1	2
84	Kokorin (Eteroton)	1					1	2
85	Morozova A. (Schwarze_Katze)	1					1	2
86	Baranov N.A. (nikbarbdkgu)	1					1	2
87	Gafarov I.I. (gafar2008)	4					1	1
88	Mishenev M.M. (Mishenev Mikhail)	2					1	1
89	Shkirov K. (ramota3)	2					1	1
90	Afinogenov M.A. (Mo0nL1te)	1					1	1
91	Lebedev G.A. (xeGalaxy)	1					1	1
92	Evdokimov A.A. (Dark_Tanyan)	1					1	1
93	JOLDASBAEV A.A. (JOLDASBAEV1)	1					1	1
94	Palimbetova G.B. (Guldana_0606)	8
95	Baranov N.A. (NikBarDataBase)	5
96	Xojabaev A. (ajiniyaz.kk1)	4
97	Krasovskij E.A. (pegoopik)	3
98	Komov S.M. (Komov S. M.)	3
99	Knyazev (Bumbums)	3
100	Gabdrakhmanova (AG_BD)	3
101	Kuz'min A. (swk1)	2
102	Safronov P.A. (Paulus73)	2
103	Kovtun A.Yu. (sillygoosegagaga)	2
104	Nesterov G.A. (GeRo_chto_to)	2
105	Somov Ya.V. (erbaevvv)	2
106	Okorokova N.A. (qwe777)	2
107	Filatova A.V. (nastya_fv)	2					ban	ban
108	Fedchenko A.D. (EtoAleksandr)	2
109	Metokhir K. (KM49)	2
110	Denisov A. (Razonador)	2
111	satirova N.S. (nilsi)	2					ban	ban
112	Kukushkin A.A. (ArtyomAA)	2
113	Asylbek D. (Dinshat)	2
114	Israil I.I. (Israil_sul)	2
115	Makarov I.A. (_Bkmz_)	1
116	Ushakov S. (MoyPsevdonim)	1
117	Shure V. (VladimirShure)	1
118	Pyrkova (La_Gata)	1					ban	ban
119	Orinboyev S.X. (sardor753)	1
120	Shustov N. (Autist_2007)	1
121	Burkova E.I. (Burkkova)	1
122	G. A. (ManuKoura)	1
123	Filippov T.S. (Barbarbossa)	1
124	Denisov A. (Esperanto83)	1
125	Korolik A.A. (Korolya23)	1
126	Beketov (dimabima)	1
127	Pankova V.B. (valerpa)	1
128	Nasyrova (Alewa86)	1
129	P I.*. (IrinaPetr)	1
130	R. (Wra1th)	1
131	Filev I.D. (Mxrningstarx)	1
132	Dimitrov V.M. (vencid)	1
133	Ryabov A. (Slavander)	1
134	Abramov V. (Privet ot Sashi Borovkova)	1
135	Cheloshkina (vikok)	1
136	Fomin R.I. (Romashka2006)	1					ban	ban
137	Degtyarev A.M. (Alex Deg)	1					ban	ban
138	Novikova M. (novmarom)	1
139	Malevskaya I. (malevski)	1
140	Porshukov N.Y. (Nik322)	1
141	antonievich (Kvars)	1
142	Fatkulina O.M. (viennie)	1
143	Chastova E.A. (Kate44)	1
144	Nasyrkina E. (eleonnora12)	1					ban	ban
145	Chernov D. (_oqwejf)	1
146	Lebedev V.U. (DenisYhovich)	1
147	Polishchuk L. (Lyubovochka)	1
148	Nuriddinov S. (Nuriddinov)	1
149	Molokanov A.A. (qwasar)	1
150	Kolesnik (Babulevs)	1
151	Abdukholiqov H. (abdukholiqov)	1
152	Iutinskij D.E. (dimaiuuu)	1
153	Trubitsin T.A. (SoTeNo4eK)	1
154	Asfur I. (BarbiePink)	1
155	Savinov A.N. (Variator666)	1
156	Dynnikova E.R. (lizame1on)	1
157	Uvarova P.P. (Polina15)	1
158	Morozova K.M. (ksyuho666)	1
159	gfhjklk V.G. (ggkhh)	1
160	Bob (foxtailer)	1
161	Isakov I.A. (isakoviasql)	1
162	volgina (qwertyuiop145)	1					ban	ban
163	Khuzagaripova (EKh_BD)	1
164	Glotov E.I. (Ellis_Rockwell)	1
165	Yakovleva D.M. (DashaYakovleva)	1
166	Karnaukhova A.R. (Linnchick99)	1
167	levashov I.A. (pabletus)	1
168	N A. (alemona)	1
169	Lol D.F. (Tolyan67)	1
170	Andreeva P.A. (Polina Andreeva)	1
171	Lobanova K.V. (KristinaL)	1
172	Xudayberganova N.X. (sqluz2026)	1
173	Molodkin D.V. (DxnB)	1
174	Koroleva (laba5)	1					ban	ban
175	sussy H. (killer2007)	1
176	Sav H. (Master83_65)	1
177	Shishova D.D. (doshiko)	1
178	Marachovsky D. (Bagamol)	1
179	Stepanchuk D. (__Lonely__)	1
180	Muradyan M. (Mary Devv)	1
181	Kholodov R. (Mr.Kholod)	1
182	Shilkina (Olga_OS99)	1
183	Kirill (kirshuvl)	1
184	Matevosov I. (freedall)	1
185	Eremeev A.S. (Boomsy)	1
186	aaa (nilsi2)	1					ban	ban
187	Bkkkk Y. (dereg32)	1
188		1
189	Velieva S.A. (inkgntt)	1
190	Grigor'eva E.D. (Lizsosis)	1
191	Borisova I.V. (bori100)	1
192	Haustova S. (SvetLadushka)	1
193	Mikhajlova A.A. (AnnettePlush)	1
194	Lidvina I.S. (korella)	1
195	Unregistered	32

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