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We know how difficult managing a database can be. Luckily, we’re here to share our experiences troubleshooting, building, improving, and operating them. Browse blogs below, and feel free to comment!

Common TNS Errors and How to Troubleshoot

Common TNS Errors and How to Troubleshoot

In this blog, I will cover some typical TNS errors that we run across as an Oracle DBA and how to go about troubleshooting the errors. First of all, when you encounter a TNS error you need to understand that it relates to the network communication between a client...

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MySQL Error Invalid lost+found Schema

MySQL Error Invalid lost+found Schema

If within a MySQL instance a schema name such as "#mysql#lost+found" or "#lost+found" is listed when the "show schemas" or “show databases” command is run, it's not a true schema but will appear when MySQL is installed in a root directory on a Linux server. At the...

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MySQL User With wildcard and localhost Hosts

MySQL User With wildcard and localhost Hosts

There's often confusion over why MySQL users are created with a host of localhost in addition to a user created with wildcard, %, for their host. create user 'some_user'@'localhost' identified by 'some_password_here'; create user 'some_user'@'%' identified by...

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What’s a Database Health Check?

What’s a Database Health Check?

As a critical component of your business, a healthy database is vital to staff efficiency and customer satisfaction. If you've neglected database maintenance and tuning, chances are you're running into a litany of performance issues. When your database begins to lag,...

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Verifying a Server is Offline

Verifying a Server is Offline

Overview From time to time, you'll encounter a situation where a server appears to be offline, and you need to verify the validity of the alert prior to contacting proper support channels. This document covers certain steps that can be taken for verifying an offline...

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