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PostgreSQL 刪除check約束

刪除check約束:1.\d table_name 查詢約束名稱\d dm_alarms_fct_20170613 "dm_alarms_fct_20170613_dm_transct_date_key_check"2.alter table .. drop constraint ..ALTER TABLE "dm_alarms_fct_20170613" Drop constraint "dm_alarms_fct_20170613_dm_transct_date_key_check";