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10 Common DBA Mistakes

WEB-DEVELOPMENT

Being a DBA is hard.

There are a lot of things to keep track of and if you’re not careful, it’s easy to make a mistake.

In this article, we’ll go over 10 common DBA mistakes and how to avoid them.

1. Not Backing Up Regularly

  • One of the most important duties of a DBA is to ensure that the data is backed up and can be recovered in the event of a failure.
  • Yet, many DBAs don’t backup their databases regularly or at all.
  • If you’re not backing up your database regularly, you’re putting your data at risk.
  • Make sure to set up a regular backup schedule and stick to it.

2. Not Testing Backups

  • Backing up your data is only half the battle.
  • You also need to make sure that your backups are working and that you can actually restore from them.
  • Many DBAs don’t test their backups and as a result, they find out too late that their backups are corrupted or incomplete.
  • Always test your backups before you need to use them.

3. Not Monitoring the Database

  • Another important duty of a DBA is to monitor the database for problems.
  • This includes things like running out of space, slow performance, and failed jobs.
  • Many DBAs don’t monitor their databases properly or at all.
  • As a result, they’re often caught off guard by problems that could have been avoided if they were monitoring the database more closely.
  • Make sure to set up proper monitoring for your database and check it regularly.

4. Not Automating Database Maintenance

  • Database maintenance is another important but often neglected task of a DBA.
  • This includes things like indexes and statistics maintenance, backup maintenance, and monitoring maintenance.
  • Not automating these tasks can lead to all sorts of problems down the road.

5. Not Securing the Database

  • Another important duty of a DBA is to secure the database.
  • This includes things like setting up proper authentication and authorization, encrypting sensitive data, and auditing access to the database.
  • Many DBAs don’t take security seriously enough and as a result, their databases are vulnerable to attack.
  • Make sure to set up proper security for your database and review it regularly.

6. Not Planning for Disaster Recovery

  • No matter how well you maintain your database, there’s always a chance that something will go wrong.
  • That’s why it’s important to have a plan for how you’ll recover from a disaster.
  • This includes things like having a backup plan, testing your backup plan, and having a plan for what to do if your primary database goes down.
  • Many DBAs don’t have a proper disaster recovery plan in place and as a result, they’re not prepared when something goes wrong.
  • Make sure to put together a comprehensive disaster recovery plan for your database.

7. Not Optimizing the Database

  • One of the most important duties of a DBA is to optimize the database for performance.
  • This includes things like indexing, query optimization, and tuning the database configuration.
  • Many DBAs don’t spend enough time on database optimization and as a result, their databases don’t perform as well as they could.
  • Make sure to spend some time every week on database optimization.

8. Not Automating Database Deployments

  • Another important but often neglected task of a DBA is database deployments.
  • This includes things like creating and running scripts to set up the database, deploying changes to the database, and rolling back changes if necessary.
  • Not automating these tasks can lead to all sorts of problems, such as lost data, corrupted databases, and unplanned downtime.
  • Make sure to automate your database deployments and review your process regularly.

9. Not Documenting the Database

  • Another important but often neglected task of a DBA is documenting the database.
  • This includes things like documenting the schema, documenting the code, and documenting the process.
  • Not documenting the database can lead to all sorts of problems, such as lost data, corrupted databases, and unplanned downtime.
  • Make sure to document your database and review your documentation regularly.

10. Not Staying Up-to-Date

  • One of the most important duties of a DBA is to stay up-to-date on new features, security vulnerabilities, and patch levels.
  • Many DBAs don’t stay up-to-date and as a result, their databases are vulnerable to attack.
  • Make sure to stay up-to-date on all aspects of your database and review your process regularly.

Conclusion:

These are just some of the most important duties of a DBA.

If you’re responsible for managing a database, make sure you’re doing all of these things.

And if you’re not, now is the time to start.

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