# Blog

- [What is PostGIS? When and how should I use it?](/what-is-postgis-and-when-should-i-use-it) — Postgis is essentially an open-source add-on for PostgreSQL database which adds support for Geographic objects and converts PostgreSQL into a spatial database.
- [Creating a table in PostgreSQL with PgAdmin](/creating-a-table-in-postgresql-with-pgadmin) — PgAdmin is a useful tool to connect to our PostgreSQL server instance, it comes with a lot of features and functions that are useful for managing and visualizing our PostgreSQL databases.
- [How to install PostGIS, PgAdmin, and PostgreSQL in Docker](/how-to-install-postgis-pgadmin-postgresql-in-docker) — PostgreSQL must be one of the most used and advanced SQL Servers. We are going to learn how to install it in a Docker container with PostGIS and PgAdmin.
- [Top 10 SQL tips for beginners](/top-10-sql-tips-for-beginners) — As a beginner, maybe you are having some problems using SQL, tutorial to learn a bit more about this beautiful language called SQL.
- [How to install MySQL on Docker](/how-to-install-mysql-on-docker) — MySQL is one of the most popular SQL Databases and maybe the most used database on the web. Today we will learn how to install MySQL on a Docker Container.
- [What is an aggregate function?](/what-is-an-aggregate-function) — An aggregate function where the values are grouped together to form a single response. The more common SQL aggregate functions are SUM, COUNT, AVG, MIN and MAX.
- [Handling Strings in SQL Server](/handling-strings-in-sql-server) — “How could I split a SQL field by a delimiter?”, “How could I get with the first word of a SQL field?”, “How could I get the first three letters of an SQL field?”
- [How to install OracleDB on Docker](/how-to-install-oracledb-on-docker) — I come up with this problem yesterday, Oracle is potentiating their cloud solutions so they are not making it that easy to install their star product on a testing environment.
- [How to Install SSMS SQL Server: Quick Guide](/install-ssms-sql-server-quick-guide) — Let’s learn how to install SQL Server Management Studio (SSMS) from zero. SSMS and create our SQL Server test enviroment.
- [How to Install SQL Server: Quick Guide](/sql-server-installation) — Want to Start learning SQL Server and don’t know where to start? Come and learn how to Install your first SQL Server here!