Last week rating | SQL Exercises

July 28, 08:38 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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Ratings

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  • Top 100 on latest exercises
  • "Liberal" rating
  • Olympic rating
  • TOP 100 of Learning Stage
  • Rating by summation of ranks
  • Top 10 (photos)
  • Last-week results
  • Rating of second-stage exercises (average)
  • Rating of 2nd-stage exercises (median)
  • Author's rating  • 2nd stage rating up to exercise:
   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

Statistics

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  • Сhanges in exercises' TOP 10
  • Results' chart

SQL exercises

  • Site rules
  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
  • Transact-SQL tests
  • Data simulation
  • Data simulation (DML);
  • Visual simulation (painting)
  • Exercises voting (SELECT)
  • Exercises voting (DML)

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Last-week results

n_sel - number of select exercises solved this week;
sel_all - total number of solved select exercises;
sel_scores - sum of points on select exercises earned this week;
dml_scores - sum of points on dml exercises earned this week;
scores - total sum of points earned this week;

Involved in rating: 15138

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Shibaev (saah)	4	66	9	0	9	1038	27 Jul 2026
2	Savinova (Alenari66)	4	4	6	0	6	6975	24 Jul 2026
3	Filippkin D.V. (_dimon_)	2	279	5	0	5	3	24 Jul 2026
4	Vinogradova S.M. (Tigra1)	2	144	4	0	4	155	26 Jul 2026
5	Gitinomagomedov (gmansur88)	1	67	2	0	2	510	21 Jul 2026
6	Muthukrishnan A. (Agal13)	2	12	2	0	2	5310	23 Jul 2026
7	O (janeoosql)	1	22	1	0	1	1628	26 Jul 2026
8	Skibin V.V. (SQL_vvs)	1	28	1	0	1	1737	27 Jul 2026
9	Fom (Kamchatka)	1	10	1	0	1	5511	24 Jul 2026
10	Yakimov V. (Shester63)	1	1	1	0	1	15137	27 Jul 2026
11	Solomentsev (DenisC)	0		0	23	23		22 Jul 2026
12	Odnokurtsev (AlFochino)	0	127	0	12	12	150	27 Jul 2026
13	Likhanskaya A. (MissTics)	0		0	11	11		22 Jul 2026
14	Starukhin A.V. (alexx_sql)	0		0	3	3	9436	26 Jul 2026
15	Egorova A.O. (Sasha1994)	0		0	3	3	9437	26 Jul 2026
16	edmond2 (edmond2)	0		0	3	3		25 Jul 2026
17	Boozer C. (CelticBoozer)	0		0	3	3		23 Jul 2026
18	ss A.S. (SashaSS)	0		0	2	2	10975	28 Jul 2026
19	Eskyuelov (Zaproz)	0		0	2	2	15135	25 Jul 2026
20	Koltovich M. (loufoque maria)	0		0	2	2		22 Jul 2026
21	Seferbekov (seferbekov)	0		0	2	2		24 Jul 2026
22	Matsuev F.V. (Nick_Ace)	0		0	1	1	15136	25 Jul 2026
23	piopio5 (piopio5)	0		0	1	1	15138	27 Jul 2026
24	Ivanov A.E. (AlexIvanov1981)	0		0	1	1		21 Jul 2026

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