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…
In the digital age, data has emerged as a valuable resource driving innovation, decision-making, and business success. Data scalability is crucial for organizations to handle an increasing amount of data without compromising its performance and efficiency. However, not all data systems can effectively handle scalability demands. Several toxic elements can negatively impact data scalability as…
You may already know that when the mysqldump client utility performs logical backups, it produces a set of SQL statements that you can execute to reproduce the original database object definitions and table data. Although it dumps one or more MySQL databases for backup or transfer to another SQL server, there are 5 things that…
Autoscaling your webserver tier is typically straightforward. Image your Apache server with source code or without, then sync down files from S3 upon spinup. Roll that image into the autoscale configuration and you’re all set.With the database tier though, things can be a bit tricky. The typical configuration we see is to have a single…
With the increasing data and user demand, ensuring the scalability of your MySQL database has become crucial to maintain optimal performance. With this, you can handle growing amounts of data, traffic, and user requests with your database in MySQL. But how to boost MySQL scalability? This is the most trending question among MySQL users and…
Amazon’s Relational Database Service is based on MySQL under the hood. So many colleagues and clients ask me – should I go with RDS or MySQL? As with every technology question, the answer is – it depends. In this article, we are going to discuss 10 use cases of RDS or MySQL. Let’s get started below….
I’ve been getting more than my fair share of calls from recruiters of late. Even in this depressed economic climate where jobs are rarer than a cab at rush hour, it’s heartening to know that tech engineers are in great demand. And it’s even more heartening to think that the demand for MySQL DBAs has…
There’s a lot of talk on the web about scalability. Making web applications scale is not easy. The modern web architecture has so many moving parts. How can we grapple with the underlying problem? The LAMP Stack Scales Well The truth is half right. True there are a lot of moving parts and a lot…
In a recent buzzfeed piece, NYPD goes to the mat with Palantir over their data. It seems the NYPD has recently gotten cold feet. As they explored options, they found an alternative that might save them a boatload of money. They considered switching to an IBM alternative called Cobalt. And I mean this is Silicon Valley, what…
