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dland

Programmer, writer, carpenter. Fences with a foil.

Long-time Perl programmer and contributor. Author of several Perl modules, some of which are quite useful.

Fond of taking things apart and putting them back together again. Building, tinkering, repairing and repurposing things.

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  • Member for 4 years, 3 months
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  • Last seen Jul 29 at 13:14

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All Questions Answers
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3 Why does my query run fast in Environment A, but slow in Environment B? Sep 6 '18
2 Does a zero value in innodb_index_stats.rows_per_key mean the index is over-specified? Oct 13 '17
2 Postgres query not using indexes with conditions from multiple tables Dec 22 '17
1 min()/max() on multi-column timestamp index Oct 17 '17
1 Generate metadata file from PostgreSQL server Mar 18 '19
1 MySQL not using the correct index Mar 19 '19
0 Replication stops with GTID_NEXT error after creation/drop of memory table in mysql5.6 Aug 26 '20
0 How to make use of WITH in PostgreSQL to reduce query cost Mar 7 '19
0 High “Pending normal aio writes” Jan 22 '18
0 Log plans for queries that never finish Oct 16 '17

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