« PostgreSQL » : différence entre les versions
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| Ligne 15 : | Ligne 15 : | ||
# connect to a database | # connect to a database | ||
\c <database> | \c <database> | ||
</kode> | |||
= Table = | |||
<kode lang='bash'> | |||
# show summary information about all tables in the current database | |||
\dt | |||
</kode> | </kode> | ||
Version du 4 avril 2021 à 17:48
Links
Database
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# create a database createdb myDatabaseName # connect to a database psql -d myDatabaseName |
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# connect to a database \c <database> |
Table
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# show summary information about all tables in the current database \dt |
Users and permissions
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# list all users and their permission levels \du |
Service
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sc-start postgresql.service |
Installation
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# will install postgresql-libs, postgresql and create a system user called postgres sudo pacman -S postgresql |
Configuration
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# switch to the PostgreSQL user sudo -iu postgres # initialize the database cluster initdb -D /var/lib/postgres/data # $LANG (en_US.UTF-8) is used to deduce the locale and the encoding # or can be defined manually: --locale=en_US.UTF-8 -E UTF8 # start the service sc-start postgresql.service # create a user # If the new user has the same name as your Linux user, it allows you to access the PostgreSQL database shell without having to specify a user to login. createuser --interactive |
