Added cname, db stuff.

CNAME

@@ -0,0 +1 @@
+glossary.sh

_topic/database-administrator.markdown

@@ -0,0 +1,12 @@
+---
+layout: topic
+title: "Database Administrator (DBA)"
+description: "A Database Administrator is a technical professional who specialises in the managing and optimization of Database Systems."
+website: ""
+---
+
+A Database Administrator is a technical professional who specialises in the managing and optimization of database systems.
+
+They are ususally employed by organisations that run large, complicated databases systems with critical requirements on reliability and performance.
+
+They differ from [Database Developers](/database-developer) in that a Database Administrators role tends to be more focussed on maintaining operational systems that are being used in production.

_topic/database-developer.markdown

@@ -0,0 +1,12 @@
+---
+layout: topic
+title: "Database Developer"
+description: "A Database Developer is a technical professional who specialises in designing and creating database systems."
+website: ""
+---
+
+A Database Developer is a technical professional who specialises in designing and creating database systems.
+
+Their core skillsets usually involve advanced [SQL](/sql) programming and [optimization](/optimization).
+
+The differ from [Database Administrators](/database-administrator) in that they tend to focus on the initial design of the database system rather than managing it once it is being used by users.

_topic/optimization.markdown

@@ -0,0 +1,12 @@
+---
+layout: topic
+title: "Optimization"
+description: "Optimization is the process of modifying software to allow it to do the same work with less resources."
+website: ""
+---
+
+Optimization is the process of modifying software to allow it to do the same work with less resources.
+
+In practice, this could involve:
+- Changing how code works to make it complete its operations faster.
+- Adding additional code that improves performance by reducing the programs overall dependency on slow resources, such as hard drive access or network access.

makefile

@@ -5,4 +5,7 @@ serve:
 	--volume="$(PWD):/srv/jekyll" \
 	-p 4000:4000 \
 	-it jekyll/jekyll:$(JEKYLL_VERSION) \
-	jekyll serve --drafts
+	jekyll serve --drafts
+
+new:
+	./new_topic.sh