WebSep 24, 2024 · Step 3 - Creating the Hot Standby node and transferring the database data. In this step you will set up the new database instance to become a replica of the old server, using the built in Hot Standby node in PostgreSQL. To begin you must log into the new server with the following command: ssh root@new_database_address. WebOct 23, 2024 · 2. Without knowing more log details, I suggest to fresh install a new ThingsBoard+PostgreSQL instance and migrate the Cassandra db to the new instance using the REST API feature of ThingsBoard, this way you avoid the corruption of PostgreSQL. The steps are: Install a new instance of ThingsBoard and PostgresSQL.
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Webgo to run type services.msc and restart postgresql service. you can check wether the parameter is set or not via query tool. just execute show port query. it will display your current port number. If are using pgAdmin to connect to db make sure you changed your port number in connection settings. Share. WebFeb 9, 2024 · ALTER DATABASE changes the attributes of a database. The first form changes certain per-database settings. (See below for details.) Only the database owner or a superuser can change these settings. The second form changes the name of the database. Only the database owner or a superuser can rename a database; non-superuser owners … chip\u0027s wc
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WebMar 14, 2024 · Step 1: Launch SQL Shell (psql) program tool. It will open a command window like below where we need to provide details of Server, Database, Port, Username, and Password. Step 2: To use the default value specified in the square bracket [ ], just press Enter and move on to the next line. While entering the password for user Postgres, we … WebTo rename the db database to newdb, you follow these steps: First, disconnect from the database that you want to rename and connect to another database e.g., postgres. If you … WebOct 6, 2024 · 1 Answer. Sorted by: 22. Technically PostgreSQL can't switch databases. You must disconnect and reconnect to the new DB. The psql command-line client will do this … graphic card power supply