Databases

Post Example

Operations related to database configuration, connecting, data management, and data querying.

Examples in Shell
pg_dump
by tldr Shell
Extract a PostgreSQL database into a script file or other archive file. More information: https://www.postgresql.org/docs/current/app-pgdump.html .
# Dump database into a SQL-script file:
pg_dump {{db_name}} > {{output_file.sql}}

# Same as above, customize username:
pg_dump -U {{username}} {{db_name}} > {{output_file.sql}}

# Same as above, customize host and port:
pg_dump -h {{host}} -p {{port}} {{db_name}} > {{output_file.sql}}

# Dump a database into a custom-format archive file:
pg_dump -Fc {{db_name}} > {{output_file.dump}}

# Dump only database data into an SQL-script file:
pg_dump -a {{db_name}} > {{path/to/output_file.sql}}

# Dump only schema (data definitions) into an SQL-script file:
pg_dump -s {{db_name}} > {{path/to/output_file.sql}}
Get Shared Directory in Postgres
by yhuang Shell 
pg_config --sharedir