postgres:postgresql
Differences
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postgres:postgresql [2010/06/01 11:02] – deva | postgres:postgresql [2011/01/25 07:44] (current) – deva | ||
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< | < | ||
ALTER TABLE data ALTER COLUMN filename TYPE character varying(255) USING substring(filename from 20); | ALTER TABLE data ALTER COLUMN filename TYPE character varying(255) USING substring(filename from 20); | ||
+ | </ | ||
+ | |||
+ | =====Find missing foreign key values===== | ||
+ | < | ||
+ | SELECT foo.xcpr FROM (SELECT a.personid AS xcpr, b.personid AS ycpr FROM examinations AS a LEFT OUTER JOIN person AS b ON a.personid = b.personid) AS foo WHERE foo.ycpr IS NULL; | ||
+ | </ | ||
+ | |||
+ | =====Disable pager (less/more) in psql===== | ||
+ | < | ||
+ | \pset pager | ||
</ | </ |
postgres/postgresql.txt · Last modified: 2011/01/25 07:44 by deva