Our blog is an invaluable resource for anyone struggling with the challenges of managing a database, applications, or clouds.
We understand the difficulties involved in troubleshooting, building, improving, securing, and operating these platforms,
and we’re here to share our insights and expertise with you. Browse through our collection of blog posts below,
and don’t hesitate to leave your comments and feedback.
Overview This document will cover procedures for low disk space alert on OS/C: drives as well as general disk space low alert. Low disk space can have potentially negative consequences with a server. Some examples are: Unable to install critical OS security...
SUMMARY: Database administrators must roll forward a troubled Oracle 12c Physical Standby database to resolve severe data gaps caused by missing or corrupt archive logs by executing a multi-step RMAN procedure utilizing the automated RECOVER FROM SERVICE command....
Multi-Factor Authentication (MFA) is something a lot of IT professionals know about but never want to bring up to their clients. MFA is the next step defense in your everyday battle in protecting your day to day operations. So let's talk about it. What is MFA?...
Recently, I was working on a database using HADR with failover handled by TSAMP. The database was configured to use a virtual IP (VIP) address. However, when I tested the failover with the application team, some of the applications were getting SQL1776N errors from...
Prior to diving into this error, it's important we discuss how Oracle processes queries logically and in what order. Oracle has a couple of rules as to how it executes each query in a specific processing order. Oracle processes a query as below: Gathers rows based on...
SUMMARY: Modern computing professionals must clearly distinguish between the physical processor socket, the independent execution core, and the dependent thread to accurately calculate a system's true processing capacity in environments dominated by parallel...
The Db2 RDBMS offers many great tools for getting things done. There are, however, times when tools are unavailable. This isn’t a problem when you’re performing a simple and discrete task. When the task has many iterations then like dropping triggers or granting...
If you’re upgrading a ReplicaSet from a version before 3.2 of MongoDB to a new version, you will run into this warning when connecting to the shell. Protocol Version 0 is not supported in MongoDB 4.0. Checking Protocol Compatibility To verify which protocol version...
Recovery Catalog Purpose: The RMAN recovery catalog is a schema created inside of a new or existing database that is used to store metadata about Oracle databases. It's recommended by XTIVIA that the catalog be created in its own dedicated database due to the...
Virtual-DBA came out of XTIVIA's response to an urgent need in the market to limit travel during the dotcom bubble burst. It was vital for our customers to conserve travel resources, both time and money, while getting immediate response on database issues. In that...