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vallismortis

Software architect and full-stack software developer for a Michigan bioinformatics company.

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6 Slow query in PostgreSQL selecting a single row from between a range defined in two columns Nov 9 '17
5 Restore PostgreSQL database with same locale settings as source database May 5 '17
4 How to avoid invoking functions twice when using GROUP BY and HAVING? Oct 29 '15
3 Poor query performance over timestamp range by week in PostgreSQL 9.3 Oct 24 '17
3 PostgreSQL command history on Windows Jan 11 '18
2 Poor query performance over timestamp range by week in PostgreSQL 9.3 Oct 24 '17
2 How can DISTINCT values outside of a GROUP BY be counted without using sub-queries in PostgreSQL? Dec 8 '17
1 Multiple COUNTs over the same column Apr 10 '18
1 Create 2D truth table from “cross product” of two tables via PostgreSQL view or function Oct 12 '18
1 Counting and grouping over multiple OUTER JOINs Dec 4 '18
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