Creating or Modifying a Table - pgAdmin 4 4.30 documentation
pgAdmin 4 provides dialogs that allow you to modify all table properties and attributes.
To access a dialog that allows you to create a database object, right-click on the object type in the pgAdmin tree control, and select the Create option for that object. For example, to create a new table, Select a database from the tree control, select the schema under the database, right-click on the Tables node, and select Create Table…