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April 02, 14:41 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	Potemkin (Yazon_79)	1	1	-9	4	6
2	Kertov (_KIM_)	1			4	4
3	Gusev A.O. (NowOrNever)	1	2	43		3
4	Ivanov (NeckofNickey)	1	1	2		1
5	Kosseit A. (Adiya Kosseit)	1					ban	ban
6	U A. (tmplpmf)	1					ban	ban
7	Chetverikov D.A. (zzwwaann)	1					15	26
8	Treskin D.M. (zubastix2)	1					15	26
9	Titkov D.M. (cans1zz)	1					15	25
10	Amankulov A. (qawqaw)	3					15	23
11	Konson (SQL-starter-pack)	1					15	23
12	Kopytova A.A. (nastyusha777)	2					15	20
13	Suntsova E.D. (i.lisntsss)	3					15	18
14	Lekomtsev (Teck-)	2					15	18
15	kostrov (dialolx)	2					ban	ban
16	Kashin A.D. (Alkashh)	1					9	16
17	Shvalev D.A. (ShDiMaaaaaaaaa)	2					ban	ban
18	Dobrovol'skij N. (nikDo)	1					9	15
19	Mescheryakov A.V. (Anatolii-198h4vh9)	1					11	13
20	Novoselov P. (Pavel1979)	1					9	11
21	Alekseev A. (asalekseev)	3					8	11
22	Mel'nikov E.E. (CtrlAltDeleet)	1					8	11
23	Agieva L.F. (babylil)	1					7	11
24	Zhiglova (smeshnen)	2					6	10
25	Alekseev A.S. (Andser)	1					5	10
26	Grankina (heartablink)	1					6	9
27	Lyal'kova I.S. (Davydova)	1					7	8
28	Makashov (Duke_Nukem1983)	2					6	8
29	P Yu. (sh_er66)	1					ban	ban
30	Malakhov (dimmal)	1					ban	ban
31	Korovin I. (kr26)	1					6	7
32	Klocheva E.A. (dubaStar)	1					6	7
33	Mokhov (hmtr)	1					6	7
34	Alhassan T.M. (Thamir23)	1					6	7
35	Iklymova (Larka888)	2					4	7
36	Petr M. (Urium)	1					4	7
37	Tsyrenzhapov (KaRyCh_3\)	1					4	7
38	Bystrov F. (FEDORBYST3445)	2					5	6
39	Slemzina V.A. (fdeyhjks)	1					4	6
40	Ais (SQLPractica)	1					4	6
41	Timerbaev A.A. (Iron889)	1					3	6
42	Desyatkov A.A. (Devastated666)	1					3	6
43	Nikiforov (dimmmension)	3					5	5
44	Ibragimova A. (anya_tusina)	2					5	5
45	Bachaeva (GIlyana29)	2					5	5
46	DMRITsD (TheCupOfMagic)	1					4	5
47	Tukeshev U.K. (Ulan Tukeshev)	2					3	5
48	Feodoridi D. (Dmitrij F.)	1					3	5
49	Vershinina M. (marinaver4)	1					3	4
50	Viktor (DIVINE FIRST)	1					3	4
51	R (Arina.8301)	2					ban	ban
52	Gudkov K.S. (CSKir)	1					2	4
53	Isabekova A.S. (Ajyana)	1					2	4
54	Gaponov L.S. (LavrSQLp)	1					2	4
55	Barmin I.A. (ilyatto)	1					2	4
56	Bydantsev A.V. (Nova10)	1					2	4
57	Grushko M.D. (grushko_maks)	1					ban	ban
58	Musaeva S. (Saidochka)	1					2	4
59	Tskhao N.M. (caonimenma1)	1					3	3
60	Ligg (forze11)	1					3	3
61	Chernykh V.E. (Chernykhkh)	1					3	3
62	Pitcil (fallsin)	2					ban	ban
63	Sultan S. (Sersdkdokr)	2					2	3
64	maliciousintent (maliciousintent)	1					ban	ban
65	Targyn M.A. (M4N_T4)	1					ban	ban
66	qwert A.B. (Suffer_lxst)	1					2	3
67	Marushkina A. (39570)	1					2	3
68	Aliaskar A. (Babadui)	1					2	3
69	An V.S. (notiltavs)	1					2	3
70	Duisen A. (lnzhiiboo)	1					2	3
71	Bogatyrev N.V. (BNV2873)	1					2	3
72	Ptushkin (peter_spartak1)	1					ban	ban
73	Tarasenko (Valentina_de)	1					2	3
74	Musk (qwertyMusk)	1					2	3
75	. O... (Kenchik123)	1					2	3
76	dsa C.A. (vxv)	1					1	3
77	Chan (trytrysin)	2					2	2
78	Panghal S.P. (Panghal)	1					2	2
79	Borovskaya Y. (kkatesskii)	1					2	2
80	Shablinskiy M. (puqupu)	1					2	2
81	Zholdigaliev (S1ko)	3					ban	ban
82	Sadvakasov T.M. (Big show)	2					1	2
83	Wiggeren V. (VanWiggeren)	2					1	2
84	Osipova S. (sonyayayayaya)	2					1	2
85	Petrov N.V. (Nick21)	1					1	2
86	Mitrey (_mitrey)	1					1	2
87	Askhabov M.Kh. (Askhabov M.Kh)	1					1	2
88	Sviridov D.V. (dan20qwrt)	1					1	2
89	Prudnikova D.D. (Di1310)	1					1	2
90	Khalym D.N. (daynkhn)	1					ban	ban
91	Amir (Letede_HIts)	1					1	2
92	Goldobin E.G. (prm259)	1					1	2
93	dsd S.D. (kupro228)	1					1	2
94	Balduev D.G. (Dorgo)	1					1	2
95	Nov I. (indels)	1					ban	ban
96	Streletskaya T.A. (tatianastr)	1					1	2
97	harundinum H.H. (harundinum)	1					1	2
98	Loginova A. (AlinaL)	1					1	2
99	Semyonychev V.N. (Valeriks)	1					1	2
100	Ivanov (Citizen_88)	1					1	2
101	Krylova D.A. (krylovada)	1					1	2
102	Lukmanova V.K. (Ossloj)	1					1	2
103	Menzelinskaya A.L. (Dinalisaur)	4					1	1
104	D V. (DlytexKtoPoidetSledom)	2					1	1
105	Kostandyan E. (era_ks)	2					1	1
106	Kasimovskij A.D. (kassss158)	1					1	1
107	Sel'dereev A.T. (ironduck)	1					1	1
108	mamkin koder (mamkin koder)	1					1	1
109	Fajzulla Zh. (Zhangirkhan)	1					1	1
110	39566 (395666)	1					1	1
111	Jambylqyzy D. (dinazavrrr)	1					ban	ban
112	Zavertkin R.S. (InDepenDent17)	1					1	1
113	Kelbetov A.A. (no enemies)	1					1	1
114	Aben Z.K. (smwobt)	1					1	1
115	Vetrov (kwiiki936)	1					1	1
116	Zvolinskaya A. (alina_zvolinskaya)	1					1	1
117	Sivolozskii (kirill_szz)	1					1	1
118	Fargieva R.A. (Rabina)	1					1	1
119	Ivanov S.O. (rdriver)	1					1	1
120	Ovsyannikov (soul_eater)	1					1	1
121	Stepanenko K.Yu. (St.Constantine87)	3
122	M (DanilM2304)	3
123	Kurochkin P.A. (qwrqwr)	2
124	Krasovskij E.A. (pegoopik)	2
125	Koptel'tsev V. (selber)	2
126	M M. (phyrk)	2
127	Idrisov M. (Marik_80)	2
128	Pashnin N.N. (Nikita Pashnin)	2
129	Odnokurtsev (AlFochino)	2
130	Spassk A. (Alek$)	2
131	Sultanov S. (Sanzhik_IITU)	2
132	Trushin (loonies)	2
133	Soryu A.L. (RemiliaScarlet3)	2
134	Nastyusha (veevataya)	2
135	Khalukhaeva E.D. (Lejlashkins)	2
136	Shibaev (saah)	1
137	Levitan (yanga)	1
138	Polyakov V.M. (rock_4)	1
139	Kulagin P.M. (pcool)	1
140	Chernysheva A.V. (ana_stassia_13)	1
141	Suleimanov A.R. (-Aleksej-)	1
142	vorobyov (dart.syslik)	1
143	Magomedov A. (m1o)	1					ban	ban
144	Grejs (Gracevrn)	1
145	Palochkina I. (Irina_st)	1
146	Voronina M.A. (Khomyachinka)	1
147	Molodikova V.G. (layman)	1
148	Sizova Yu.A. (JulliS)	1
149	Smith (tibacityblues)	1
150	Boltachev (TonyBolt)	1
151	Tsay S. (Sergey Ts.)	1
152	Komarov A.N. (Shveda Saulya)	1
153	paulpyko (paulpyko)	1
154	Zaslavskij M.V. (Maksim Perepelitsa)	1
155	Evseev V.G. (v94p)	1
156	Andrey A.A. (Andrey221)	1
157	Bredikhin M. (maxim_bredikhin)	1
158	Bogorad M.D. (maksimBd1)	1					ban	ban
159	Bazarov S. (Stas_B)	1					ban	ban
160	Toleugazinov A.D. (altair2001)	1
161	QA Q. (QAAAQ)	1
162	Produktovyj (Ded_Baruk)	1
163	Bitsoev E.T. (Bisotti Eduard)	1
164	Danejko A.L. (execsql)	1
165	Tsar (borov_golovach_228)	1
166	Panicheva V.D. (_Vika_)	1
167	Zolotova A.Yu. (AnastasiaZolotova)	1
168	Kyashkin A.A. (Ther0)	1
169	roiti (roiti_user1)	1					ban	ban
170	Antekov (kekestan)	1
171	Sarkis'yan G. (gennadi_s)	1
172	Kruglikova G.V. (lizafremon)	1
173	Dushin D.A. (mousecactus)	1
174	Fazylov D.A. (d1f)	1
175	Sigacheva D.D. (dosh1k)	1
176	Way B. (wayback)	1					ban	ban
177	Ivanov D.A. (ivanovda)	1
178	Odegov A.I. (KovroLitik)	1
179	R. (Wra1th)	1
180	Novikov M.R. (novikov2050)	1
181	Altemirov R.T. (Krystoll)	1
182	Korolev R.V. (zouker)	1
183	Khaperskij P.A. (Pav1enkoII)	1
184	Zakharov I.D. (N0Name1)	1
185	Komov S.M. (Komov S. M.)	1					ban	ban
186	Lysykh V.K. (Usilitel')	1
187	Tugumbaev B.A. (2gum)	1
188	user (roitiuser4)	1					ban	ban
189	Kolesnikov S.O. (bulbasaurus)	1
190	... (Igor...)	1
191	Taralenko (Skotsh)	1
192	Dzhorov R. (RuDzho)	1
193	Kolesnikov A.M. (Serafil1209)	1
194	Lityushkin A.I. (alexlit)	1
195	Garifullina (agari14)	1
196	1337 (adkt)	1
197	Bushueva E.P. (katushka21)	1
198	Spitsin V.V. (Vitaly699)	1
199	Arshidinova M.T. (AMT)	1
200	L R. (pdal21)	1					ban	ban
201	Velikov A.A. (JakkTR)	1
202	Amirkhan A.A. (Amirgo)	1					ban	ban
203	telagisov D.D. (SAVER454)	1
204	Mejram G.B. (ggulnnaaz)	1
205	Aueskhan (ospik)	1
206	Kakeshe A. (Akosyamen)	1
207	latif S... (shizaan01)	1					ban	ban
208	kanat Y. (yera72)	1
209	Zholdasbaj K.M. (proxymocentavra7852)	1
210	Kazagasheva V.M. (rrosemary)	1					ban	ban
211	Kamza A. (drgibjosh)	1
212	Amangeldiuly A. (CDF)	1					ban	ban
213	Nailova K.R. (kamok)	1					ban	ban
214	Mamutov (meridian99)	1
215	Antonov S.E. (AnSoE)	1
216	Krapivina L. (epywabi)	1
217	Tsytsykova A.D. (fhvhdchi)	1
218	Ilyakhin M.A. (Max Ilyakhin)	1
219	Bilovus O.V. (ponichka)	1
220	Tulaikin V. (tulaikinv)	1
221	Ivanov I.I. (pasta123!@#)	1
222	U A. (littlelin)	1					ban	ban
223	Avdyunina V.D. (Ruibing)	1
224	Arbuzov V.V. (Tick_pods)	1
225	Khakimov R. (Uncle_ru)	1
226	Bazarov (violonchel)	1
227	Cysoev S. (SergSysoy)	1
228	Jarvis N.B. (777nur)	1
229	Lyubimenko E.V. (lenwa)	1
230	Grigor'ev M.I. (gdetotam)	1
231	Babkin A.A. (Newpost)	1
232	Petrov (dar12334)	1
233	Daneyko A. (sqlexernew)	1
234	DSA S.D. (seraj)	1
235	Lantsov V.O. (Federalov)	1
236	Yanishevskij (nyanish)	1
237	rasokova (roitiuser1_)	1
238	Belozyorskaya V.A. (tori_belozerskaya)	1
239	Popova A. (Polochcka)	1
240	Nedbaeva V.V. (esorcistapigro)	1
241	keshishyan N. (nanekeshishyan1)	1
242	Shupanova G. (ShGulmira)	1
243	Volkova A. (Kiskiskina)	1
244	Unregistered	46

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