How To Install postgresql-10-similarity on Ubuntu 18.04

In this tutorial we learn how to install postgresql-10-similarity on Ubuntu 18.04. postgresql-10-similarity is PostgreSQL similarity functions extension

Introduction

In this tutorial we learn how to install postgresql-10-similarity on Ubuntu 18.04.

What is postgresql-10-similarity

postgresql-10-similarity is:

pg_similarity is an extension to support similarity queries on PostgreSQL. The extension consists of:

  • Functions implementing similarity algorithms available in the literature. These functions can be used as UDFs and are the base for implementing the similarity operators;
  • Operators defined on top of the similarity functions. They use similarity functions to obtain the similarity threshold and compare its value to a user-defined threshold to decide if it is a match or not;
  • Session variables storing similarity function parameters.

There are three methods to install postgresql-10-similarity on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install postgresql-10-similarity Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install postgresql-10-similarity using apt-get by running the following command:

sudo apt-get -y install postgresql-10-similarity

Install postgresql-10-similarity Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install postgresql-10-similarity using apt by running the following command:

sudo apt -y install postgresql-10-similarity

Install postgresql-10-similarity Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install postgresql-10-similarity using aptitude by running the following command:

sudo aptitude -y install postgresql-10-similarity

How To Uninstall postgresql-10-similarity on Ubuntu 18.04

To uninstall only the postgresql-10-similarity package we can use the following command:

sudo apt-get remove postgresql-10-similarity

Uninstall postgresql-10-similarity And Its Dependencies

To uninstall postgresql-10-similarity and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove postgresql-10-similarity

Remove postgresql-10-similarity Configurations and Data

To remove postgresql-10-similarity configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge postgresql-10-similarity

Remove postgresql-10-similarity configuration, data, and all of its dependencies

We can use the following command to remove postgresql-10-similarity configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge postgresql-10-similarity

References

Summary

In this tutorial we learn how to install postgresql-10-similarity package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.