Are your MySQL replicas running well? You might not even know if they aren’t. One of the scariest things about MySQL replication is that it can drift out of sync with the master “silently”. No errors, no warnings.In this article, we have explained bulletproofing MySQL replication with checksums. Let’s check them out! What Is MySQL…
There are a lot of considerations for deploying MySQL in the Cloud. Some concepts and details won’t be obvious to DBAs used to deploying on traditional servers. For this, we have provided eight best practices in this guide that will certainly set you off on the right foot. Let’s explore them below. This article is part…
Amazon recently announced RDS Aurora a new addition to their database as a service offering. Here’s Mark Callaghan’s take on what’s happening under the hood and thoughts from Fusheng Han. Amazon is uniquely positioned with RDS to take on offerings like Clustrix. So, it’s definitely worth reading Dave Anselmi’s take on Aurora. Features of Aurora Here are what you can get…
There is no need to mention that speed is one of the most sought-after attributes in any database system. Optimizing MySQL for high speed is essential to ensure responsive applications and efficient data processing. There are basically two best ways to speed up UNION in MySQL – using UNION ALL and using push-down conditions. In…
Can RDS worsen an outage ?? That’s another way to think about this question. In my experience, it very clearly increases outages, by tying one or both hands behind your back. Believe me, when I say, that is terribly frustrating when you’re putting out fires! Downsides of Upgrading RDS There are several downsides to upgrading RDS….
Oracle Database Administrators or often called DBAs are an indispensable part of your operations team. They manage the systems that house all your business data, your customers, products, transactions, and all that analytical data on what customers are actually doing. If you’ve ever been on the hunt, you may wonder, why the shortage of DBAs. To…
In today’s data-driven world, ensuring the safety of your valuable data is crucial. To safeguard this data using MySQL, implementing a robust backup strategy is essential. For this, we have mentioned ten important things to consider while dealing with MySQL backups. Let’s learn them in detail below. 10 Things You Must Do While Backing Up…
AWS SQL and Azure SQL server are excellent cloud services, with more than 99.9% availability, competitive pay-as-you-go pricing strategies, and more. Yet, they have certain limitations in scalability, integration, and security. So, choosing one can be tough if you’re just starting out. A comparison of SQL server on AWS vs Azure When comparing SQL servers…
When we delete or change a record from the parent table, we encounter a deadlock. It causes locks to be placed on the child’s table to prevent orphan records. As a result, we must first alter data in the child table. When the SQL Server executes a query in parallel mode, multiple threads are created….
If you’re getting DB2 SQL Error SQLCODE 551 SQLSTATE 42501, chances are your user account doesn’t have the required privilege. Perhaps, you use a different user account from other clients. So, try to grant access to the account you’re using to run the query. The actual error message here is the SQLCODE -551, which corresponds…