Oracle Performance Insights A Blog By Kamlesh Ambre

Introduction Oracle Database's SQL Monitor is a powerful tool that provides deep insights into the execution of SQL statements, offering DBAs and developers crucial information for optimizing query performance. In this guide, we will delve into the various aspects of SQL Monitor, from understanding its default behavior to generating real-time and historical reports. Whether you're new to SQL Monitor or a seasoned user, this guide aims to provide valuable insights for effectively utilizing this tool. Default Behavior and Forcing Monitoring SQL Monitor automatically tracks SQL statements that run in parallel or consume at least 5 seconds of combined CPU and I/O time during a single execution. However, if you want to monitor specific SQL statements, you can include the `MONITOR` hint within the statement itself. For instance: SQL SELECT /*+ MONITOR */ count(*) from table you can force monitoring by setting the event "sql_monitor" at the system level: SQL ALTER SYSTEM SET...

ORAdiff – Your Ultimate Tool for Database Release Comparison In the dynamic realm of database management, staying updated and informed about the differences between database releases is crucial. This is where ORAdiff steps in, empowering you to seamlessly compare two database releases, whether they include patch bundles or not. Getting Started is a Breeze: 1. Click on the inviting menu icon located in the upper left corner of the page. 2. Explore a plethora of object types via the convenient left-hand navigation menu. 3. Handpick the Source and Target versions along with their respective patch levels. 4. Immerse yourself in the insightful report that follows. And, should you desire, apply a filter to tailor your experience. Witness the Magic of ORAdiff: Unveiling distinctions is the forte of ORAdiff. Whether it's identifying "new tables," highlighting "added parameters," exposing "changed columns," or shedding light on "removed privileges," O...