SQL Commands

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Common Operations

Functions

Postgres MariaDB SQLite
Today

Visiting

Postgres MariaDB SQLite
List tables 



show tables;



.tables




GRANT






Postgres
MariaDB




Database Level










Table Level










Table Level










Table Level









SQLite 3





TODO
Command




yyyymmdd to yyyy-mm-dd



SELECT printf('%s-%s-%s',
  SUBSTR(trading_date,1,4),
  SUBSTR(trading_date,5,2),
  SUBSTR(trading_date,7,2)
) FROM short_sell WHERE trading_date='20190605';











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