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Posted on February 14, 2023 (Updated on July 10, 2025)

Configure new SQL view doesn’t appear for different DB’s in the same PostGIS Database

Hiking & Activities

How to view multiple databases in Postgres?

A single Postgres server process can manage multiple databases at the same time. Each database is stored as a separate set of files in its own directory within the server’s data directory. To view all of the defined databases on the server you can use the \list meta-command or its shortcut \l .

How do I create a view in SQL for multiple tables?

To create a view, a user must have the appropriate system privilege according to the specific implementation. CREATE VIEW view_name AS SELECT column1, column2….. FROM table_name WHERE [condition]; You can include multiple tables in your SELECT statement in a similar way as you use them in a normal SQL SELECT query.

How to fetch data from two different database in PostgreSQL?

There is no way to query a database other than the current one. Because PostgreSQL loads database-specific system catalogs, it is uncertain how a cross-database query should even behave. contrib/dblink allows cross-database queries using function calls.

Do Postgres views update automatically?

Updatable Views. Simple views are automatically updatable: the system will allow INSERT , UPDATE and DELETE statements to be used on the view in the same way as on a regular table.

How do I switch between databases in PostgreSQL?

You’re currently still connected to the default postgres database. To connect to a database or to switch between databases, use the \c command. So \c books_db will connect you to the books_db database.
 

Can Postgres have multiple databases?

Within an Azure Database for PostgreSQL server, you can create one or multiple databases.
 

Can we create a view from two different databases?

You can create a view that combines data from two or more tables by naming more than one table in the FROM clause.

How do I create a view from a specific database?

The basic syntax for creating a view in MySQL is as follows: CREATE VIEW [db_name.] view_name [(column_list)] AS select-statement; [db_name.] is the name of the database where your view will be created; if not specified, the view will be created in the current database.
 

Can we update a view with multiple tables in SQL?

To UPDATE a table by joining multiple tables in SQL, let’s create the two tables ‘order’ and ‘order_detail. ‘ We can update the data of a table using conditions of other joined tables. It is possible to join two or more tables in an UPDATE query.

How do I list databases in PostgreSQL?

Step 1: Log in to the server using the SQL Shell (psql) app. Step 2: Run the following query: SELECT datname FROM pg_database; psql runs the query against the server and displays a list of existing databases in the output.
 

How do I see all databases?

To view a list of databases on an instance of SQL Server

  1. In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.
  2. To see a list of all databases on the instance, expand Databases.

 

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