Want to export PostgreSQL data to CSV file via command line on Linux (Ubuntu/RedHat/CentOS…)?
Using pg-cmd, you can unload PostgreSQL data to CSV/TSV/TXT easily and fast, no need to program.
Here you can download pg-cmd Linux version.
No need to install PostgreSQL client library.
Convenient to deploy to cloud. No need to run installation file, just uncompress and run, immediately.
Export PostgreSQL data to CSV/TSV/TXT via command line on Linux
1. Unload Table.
1) In interactive mode:
pg-cmd> unload
> table=media_messages
> datafile=/data/media_messages.csv
> delimiter=,
> quote="
> header=y;
2) In batch mode:
pg-cmd dsn="pan:withdata@192.168.0.102/test" task=unload table=media_messages datafile=/data/media_messages.csv delimiter=, quote=" header=y quit=y
2. Unload Query.
1) In interactive mode:
pg-cmd> unload
> query="select * from media_messages where id > 100"
> datafile=/data/media_messages.csv
> delimiter=,
> quote="
> header=y;
2) In batch mode:
pg-cmd dsn="pan:withdata@192.168.0.102/test" task=unload query="select * from media_messages where id > 100" datafile=/data/media_messages.csv delimiter=, quote=" header=y quit=y
3. Unload All Tables.
1) In interactive mode:
pg-cmd> unload
> table=all
> folder=/data/tables_data
> delimiter=,
> quote="
> header=y;
2) In batch mode:
pg-cmd dsn="pan:withdata@192.168.0.102/test" task=unload table=all folder=/data/tables_data delimiter=, quote=" header=y quit=y
See parameters detail.