How to download pgAdmin on Windows? 1- Just click on the download button and select a location to download the file. 2- After the download finishes, open the pgAdmin folder and extract its content. 3- Now, open the pgAdmin folder and double-click on the pgAdmin file. 4- Now an installation window appears, now agree to the License Agreement.
- Advanced users can also download a zip archive of the binaries, without the installer. This download is intended for users who wish to include PostgreSQL as part of another application installer. Platform support. The installers are tested by EDB on the following platforms. They will generally work on newer versions of macOS as well.
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A brief note on how to install and setup PostgreSQL for Ruby on Rails on Mac OS.
- Install PostgreSQL
- Install pgAdmin
Prerequisites
This note assumes that Ruby on Rails has already been properly installed and the purpose is to replace the default DB engine SQLite with PostgreSQL.
Install PostgreSQL
As shown in the official Postgres download instructions here, there are few ways of installing PostgreSQL on Mac OS. Homebrew or Postgres.app are the common ones that often recommeded by other Mac users.
However, as I also use Linux and Windows machines for development, installing PostgreSQL using grapichal installer from EnterpriseDB would be a more widely used solution that keeps everything consistent across all my environment. This grapichal installer provides an easy and straightforward wizard to get Postgres installed with few simple clicks.
Download
- Go to https://www.enterprisedb.com/software-downloads-postgres
- Select a version. (For example, the latest installer version is
Version 9.4.0
). - Click 'Mac OS X' to download for Mac.
Install
- Install from the downloaded file
postgresql-9.4.0-1-osx.dmg
just like any other Mac installers. - Follow through the installation wizard with the default options.
- Installing Stack Builder is optional and can be omitted.
Add to PATH
Locate where PostgreSQL's binary is. By default, it should be
/Library/PostgreSQL/9.4/bin/psql
, where 9.4 is the PostgreSQL version number. Otherwise, use the followingfind
command to find the path.sudo find / -name 'psql'
Open
~/.bash_profile
with following command.open ~/.bash_profile
Add the following line to
.bash_profile
using the PostgreSQL's binary path.PATH=$PATH:/Library/PostgreSQL/9.4/bin
Install pgAdmin
pgAdmin is the most popular and feature rich Open Source administration and development platform for PostgreSQL. It helps users manage PostgreSQL databases through graphical interfaces.
Install
- Download Mac OS dmg installer from https://www.pgadmin.org/download/macos4.php.
- Install it (e.g. the latest is
pgadmin3-1.20.0.dmg
).
Connect to server
- Open up pgAdmin III from the applications.
- The local DB should be already shown up in Obeject Browser -> Server Groups -> Servers -> PostgreSQL 9.4 (localhost:5432). If not, manually add a server pointing to
localhost:5432
or the port number specified when installing PostgreSQL.
Install pg gem
- Open up a terminal window
Find out where
pg_config
is using the command below. By default, it should be/Library/PostgreSQL/9.4/bin/pg_config
for PostgreSQL 9.4.sudo find / -name 'pg_config'
Install the gem with
pg-config
path explicitly specified.gem install pg -- --with-pg-config=/Library/PostgreSQL/9.4/bin/pg_config
Update Ruby on Rails project
Update 'Gemfile'. Replace
gem 'sqlite3'
withgem 'pg'
.Run
bundle install
.Open
config/database.yml
file and update it like the following:
Original (for SQLite):
New (For PostgreSQL):
Create DB using PostgreSQL
rake db:create && rake db:migrate
Further Reading
pgAdmin is a free software project released under the PostgreSQL licence. The software is available in source and binary format from the PostgreSQL mirror network. Because compiling from source requires technical knowledge, we recommend installing binary packages whenever possible.
The pages in this section give additional details about each binary package available as well as more direct download links. In addition, you can download source tarballs and pgAgent for your servers to enable additional functionality.
pgAdmin 4
pgAdmin 4 is a complete rewrite of pgAdmin, built using Python and Javascript/jQuery. A desktop runtime written in NWjs allows it to run standalone for individual users, or the web application code may be deployed directly on a web server for use by one or more users through their web browser. The software has the look and feels of a desktop application whatever the runtime environment is, and vastly improves on pgAdmin III with updated user interface elements, multi-user/web deployment options, dashboards, and a more modern design.
pgAgent
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pgAgent is a job scheduler for PostgreSQL which may be managed using pgAdmin. Prior to pgAdmin v1.9, pgAgent shipped as part of pgAdmin. From pgAdmin v1.9 onwards, pgAgent is shipped as a separate application.
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