pg_backend_pid:Process IDofthe server process attachedtothecurrentsession 2、 #!/usr/bin/envbash #killall connections to the postgres serverif[ -n"$1"] ;thenwhere="where pg_stat_activity.datname = '$1'"echo"killing all connections to database '$1'"elseecho"killing all connections to d...
PostgreSQL database is an open-source database system and also an object-relational database system. It is accessed by using the psql command; the current latest version of PostgreSQL is 12; we create a database using create database statement and drop the database using the drop database s...
To drop a tablespace in Postgres, execute the DROP TABLESPACE statement followed by the name of the tablespace to be discarded. In this blog, we got to know about dropping tablespace using practical examples. As we know the tablespace contains the database and tables. So we can not directly ...
the CREATE command can be executed with the “TABLE” keyword tocreate a tablein the desired database. For this purpose, the following syntax is used in Postgres:
echo localhost:5432:my_database:postgres:my_password >> pgpass.conf Backing up a remote server If you need to back up a remote server add -h and -p options: pg_dump -h host_name -p port_number database_name > database.sql
Use the drop and remove methods to delete a collection from MongoDB. When uninstalling a collection, you must also specify the collection name. Use the drop() Method To delete a collection from a MongoDB database, use the db.collection.drop() function. It removes a collection from the dat...
In detail, DbVisualizer is aPostgreSQL clientwith extended support for Postgres-specific object types and features. All you have to do to list databases in Postgres using DbVisualizer is: Step #1: Create a database connection to your PostgreSQL server as explained inthe official doc. ...
To drop or clean and recreate the target database before connecting to it, use the--cleanoption as shown. $ pg_restore --clean -d testdb -n schema_name myappdb.dump By default, if there is an error encountered while running theSQLcommand during the restoration process,pg_restorewill cont...
In detail, DbVisualizer is aPostgreSQL clientwith extended support for Postgres-specific object types and features. All you have to do to list databases in Postgres using DbVisualizer is: Step #1: Create a database connection to your PostgreSQL server as explained inthe official doc. ...
2. Backup a local postgres database and restore to remote server using single command: $ pg_dump dbname | psql -h hostname dbname The above dumps the local database, and extracts it at the given hostname. 3. Restore all the postgres databases ...