psql quick help
All command can be followed by “mask” to show only some objects. tablespaces: list all tablespaces with sizes: \db+ databases: connect to some database: \c dbname list all: \l+ schemas: \dn+ users, roles: \dg+ extensions: list installed extensions: \dx...Useful regular expressions
column contains some upper case letters: column ~ E'[[:upper:]]' column contains some lower case letters: column ~...Tags
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