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In this post, I am sharing few important and basic commands for Database Administrator of PostgreSQL.
Check the version of PostgreSQL:
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SELECT version(); |
Create a database using the script:
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CREATE DATABASE Database_Name WITH OWNER User_Name; |
Change the owner of the database:
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ALTER DATABASE Database_Name OWNER TO User_Name; |
Create a full copy of the database with structure and data:
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CREATE DATABASE NewDB WITH TEMPLATE OldDB; |
Create a database User using the script:
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CREATE USER Anvesh WITH password 'testPassword'; |
Change the password of the User:
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ALTER USER postgres WITH PASSWORD 'temproot'; |
Upgrade the existing User to Superuser:
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ALTER USER TestUser WITH SUPERUSER; |
Reload the PostgreSQL configuration file:
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SELECT pg_reload_conf(); |
Rotate the PostgreSQL Log file:
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SELECT pg_rotate_logfile(); |
Find the Postgres server start time:
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SELECT pg_postmaster_start_time(); |
