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How to Calculate the ROI of Database Performance Optimization
For many organizations, database performance optimization is classified as an “engineering problem”: a technical, reactive task that competes for resources with the development of new,
What Are ‘Wait Events’ and How to Use Them to Find Bottlenecks in Oracle
The traditional approach to performance tuning in Oracle, historically focused on ratio metrics like the Buffer Cache Hit Ratio, is a reactive and, in many cases,
ORMs vs. Pure SQL: The Hidden Impact on Database Performance
The holy war between the proponents of Object-Relational Mappers (ORMs) and the purists of SQL is one of the most enduring in software engineering. On
Cloud Database Security Checklist: 10 Essential Steps
In the cloud era, provisioning a powerful relational database is a matter of minutes. With a few clicks, a fully managed and scalable PostgreSQL or
How to Find and Remove Unused Indexes to Speed Up Writes
In the world of database optimization, indexes are celebrated as performance heroes. They are the first tool we pull out to solve a slow SELECT query, and
Deciphering the Execution Plan: A Practical Guide to Optimizing SQL Queries
For most developers and SREs, a SQL query is a declarative statement. You tell the database what you want (SELECT columns FROM tables WHERE condition), and the