Added cname, db stuff.
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_topic/database-administrator.markdown
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---
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layout: topic
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title: "Database Administrator (DBA)"
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description: "A Database Administrator is a technical professional who specialises in the managing and optimization of Database Systems."
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website: ""
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---
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A Database Administrator is a technical professional who specialises in the managing and optimization of database systems.
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They are ususally employed by organisations that run large, complicated databases systems with critical requirements on reliability and performance.
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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.
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_topic/database-developer.markdown
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---
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layout: topic
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title: "Database Developer"
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description: "A Database Developer is a technical professional who specialises in designing and creating database systems."
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website: ""
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---
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A Database Developer is a technical professional who specialises in designing and creating database systems.
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Their core skillsets usually involve advanced [SQL](/sql) programming and [optimization](/optimization).
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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.
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_topic/optimization.markdown
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---
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layout: topic
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title: "Optimization"
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description: "Optimization is the process of modifying software to allow it to do the same work with less resources."
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website: ""
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---
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Optimization is the process of modifying software to allow it to do the same work with less resources.
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In practice, this could involve:
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- Changing how code works to make it complete its operations faster.
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- Adding additional code that improves performance by reducing the programs overall dependency on slow resources, such as hard drive access or network access.
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