In Postgres, to extract a database into a script file or other archive file, a utility called “pg_dump” is used. A crucial advantage of this utility is that you can restore its dumps on newer versions of PostgreSQL or on machines with different architectures. Other backup methods, like ...
pg_dumpis an effective tool to backup postgres database. It creates a *.sql file with CREATE TABLE, ALTER TABLE, and COPY SQL statements of source database. To restore these dumpspsqlcommand is enough. Using pg_dump, you can backup a local database and restore it on a remote databas...
First things first,let's take a look at the code. We have two services defined:db-postgresql, which runs the Postgres database, andbackup, which is responsible for backing up the database. Thedb-postgresqlservice uses the official Postgres image, with version 13 specified. We're also defini...
syslog (-ng) to postgreSQL database howtoTHANKSHOWTO
Step 9: Enter a password to use for the postgres user on the database, and click Next. You’ll need to remember this for when you connect to the database later in this guide. Once you click Next, you’ll see the Port screen. ...
Postgres conveniently includes a daemon to automatically run vacuum on tables that get heavy insert, update, and delete traffic. It operates in the background, monitoring the database to identify tables with accumulating dead tuples and then initiating the vacuum process autonomously. Autovacuum come...
Restore node 01's backup and configuration to remaining nodes. The ip used in example is the node 01's cluster ip, but a separate network can be used if one is configured, andpg_hba.confhas the correct access allowed: Raw $ pg_basebackup -h 192.168.0.10 -U postgres -D /var/lib/pg...
package netbeanstopostgres; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class Netbeanstopostgres { private String database_connection_string = "jdbc:postgresql://localhost:5432/postgres"; private String database_user_name = "postgres"; private...
Open a Postgres Prompt with the New Role To log in withidentbased authentication, you’ll need a Linux user with the same name as your Postgres role and database. If you don’t have a matching Linux user available, you can create one with theaddusercommand. You will have to do this ...
Welcome to psql 8.1.11 (server 8.4.18), the PostgreSQL interactive terminal. postgres=# Also, if you don’t want to specify the hostname in the command line parameter every time, you can setup the remote PostgreSQL database ip-address in PGHOST environment variable name as shown below. ...