diff --git a/README.md b/README.md
index 984ca00..95a7429 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,10 @@ Feel free to take a look. You might learn new things. They have been designed to
 - [Redis](databases/redis.sh)
   </details>
 
+#### PostgreSQL
+
+- [PostgreSQL](databases/postgresql.sh)
+
 ### 🔧 Tools
 
 <details>
diff --git a/databases/postgresql.sh b/databases/postgresql.sh
new file mode 100644
index 0000000..7194c94
--- /dev/null
+++ b/databases/postgresql.sh
@@ -0,0 +1,16 @@
+# *****************************************************************************
+# BASICS
+# *****************************************************************************
+
+sudo -u postgres psql # PSQL command line interface in full admin mode
+
+# Anything inside the angular brackets <> will be your variables
+
+sudo -u postgres createuser <username> # Create user
+sudo -u postgres createdb <dbname> # Create database
+
+# Setting a password for a user
+sudo -u postgres psql
+alter user <username> with encrypted password '<password>';
+
+grant all privileges on database <dbname> to <username>; # grant privileges on a database to a user
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