DBeaver
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Postgresql
PostgreSQL Array
http://www.postgresqltutorial.com/postgresql-arrayhttps://www.timescale.com Timeserise database kj
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regex in sql
filename이라는 컬럼에서 날짜형식이 일치(포함)하는 행의 날짜별 row수 구하기 SELECT REGEXP_MATCHES(filename, '[0-9]{4}-[0-9]{2}-[0-9]{2}'), count(*) FROM TEST_Table GROUP BY 1 filename이라는 컬럼에서 날짜만 뽑아서 비교 select * from TEST_Table where SUBSTRING(filename, '\d{4}-\d{2}-\d{2}') = '2017-08-19' http://www.postgresqltutorial.com/postgresql-regexp_matches/ Read more…
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List all databases and tables
databases SELECT datname FROM pg_database WHERE datistemplate = false; tables SELECT table_name FROM information_schema.tables where table_catalog='tablespace' and table_schema='public' and table_type='BASE TABLE' ORDER BY 1;
