Contents
How to move data from one Postgres database to another?
When you want to move data into your PostgreSQL database, there are a few options available like pg_dump and Azure Data Factory. The method you pick depends on the scenario you want to enable. Today, we’re exploring three scenarios where you can consider using PostgreSQL’s COPY command. “ COPY is the Postgres method of data-loading.
How to check the size of a PostgreSQL database?
Checking the disk space used by the PostgreSQL node per database can help us to confirm if we need more disk or even a table partitioning. To check the disk space used by a database/table we can use some PostgreSQL function like pg_database_size or pg_table_size. These could be clear metrics to confirm if the scaling of our database is needed.
How to create a new PostGIS database instance?
Nothing fansy, I will create a new postgresql/postgis db instance at my work computer. The db users may or maynot have the same name in both computers. Is it possible? What should i be carefull about? How can i do it pain free? I’m using postgresql v9.1.5 with postgis extension. Ubuntu12.04 (kernel 3.2.0-31) You can run a dump of the database:
How to run a database dump in PostgreSQL?
You can run a dump of the database: and then import back into PostgreSQL on your work computer. It will take quite some time and the resulting file, even if compressed, might be in the gigabyte range, but should be small enough to be contained on a USB key. On your work computer, create the new database and load the dump:
Can you copy a file to a PostgreSQL table?
Both versions of COPY move data from a file to a Postgres table. The server based COPY command has limited file access and user permissions, and isn’t available for use on Azure Database for PostgreSQL. \\COPY runs COPY internally, but with expanded permissions and file access.
Which is the best way to back up PostgreSQL?
Physical backups: Offer point-in-time recovery. Back up the contents of the PostgreSQL data directory and the WAL (Write Ahead Log) files. Take larger amounts of disk space. Use the PostgreSQL pg_start_backup and pg_stop_backup commands.
Can You stream from one server to another in PostgreSQL?
However, WAL streaming mode ( -X stream) only works with server version 9.3 and later, and tar format mode ( –format=tar) of the current version only works with server version 9.5 or later. listen_addresses = ‘*’ to be able to connect from the target server.