30/05/2024

As of today, the Oracle database is still the most popular database out there, with a rating score of 1,240.88. Considering all of the factors – its powerful and comprehensive features that cater to large-scale enterprise needs, it comes as no surprise.

However, having managed and used numerous Oracle databases over time, we’ve observed several recurring frustrations — problems with Oracle database that can pose significant challenges for its users. From the complex and often opaque licensing structure to high costs and aggressive sales tactics, taking care of the Oracle ecosystem requires constant awareness and a willingness to adapt, at any second. 

• Blog
• Oracle

23/05/2024

On the 20th of April, query load times usually ranged from 12 to 15 seconds per snapshot, but there was a notable spike exceeding 2,000 seconds during certain periods. This anomaly suggested a deeper issue, prompting a detailed investigation. By examining the correlation between locks and application issues, executions, disk reads, and buffer writes, a significant overlap was found between increased query durations and intensified locking issues. Accessing the lock history tab provided detailed data on each lock event, including the time, duration, and specific database elements affected.

• Blog
• Performance Monitor

16/05/2024

Understanding why Oracle changes the execution plan for a query can save you a lot of time and headaches. Statistics, data distribution (even without updated statistics), schema changes, and much more — There are numerous factors behind the changes of the execution plan. Having a grasp on all of them helps maintain efficient and stable query performance.

• Blog
• Oracle

09/05/2024

From the basics of understanding SQL and its impact on databases, to the importance of maintaining clear Service Level Agreements and performance baselines, this article sheds light on critical areas often overlooked by newcomers.

• Blog
• Oracle

02/05/2024

Before getting into the technicalities of speeding up your database read queries, the first step is always to have a clear understanding of what exactly you need. This might sound straightforward, but inefficient queries often begin with uncertainty about the data requirements. Knowing exactly what information is necessary for your application or analysis not only helps in crafting precise queries but also prevents the database from retrieving extraneous information, which can significantly slow down performance.

• Blog
• Oracle
• Performance Monitor