Oracle Structure Redo Logs

Track Current Redo Log Usage with X$KCCCP Purpose V$LOG reports a redo log group's allocated size and its status, but it does not report how much of the CURRENT group has actually filled. On a busy instance, that is the number a DBA wants: is the current log close to a switch, or has it barely started filling? V$LOG …

Check Redo Log Switch Frequency with V$LOG_HISTORY Purpose How many times does the online redo log switch in a single hour, and does that number spike during the nightly batch window or stay flat around the clock? A redo log sizing decision made from a single "switches per day" total hides the answer to that question. …

Understanding ALTER DATABASE DROP LOGFILE MEMBER in Oracle Databases Learn how to use ALTER DATABASE DROP LOGFILE MEMBER to remove redo log file members in Oracle databases. Get insights, explanations, and best practices. Sample SQL Command 1alter database drop logfile member '<filename>'; Purpose of ALTER DATABASE …

Expand Your Oracle Database: Adding Redo Log File Members with ALTER DATABASE ADD LOGFILE MEMBER Master the art of adding redo log file members in Oracle databases with ALTER DATABASE ADD LOGFILE MEMBER . Optimize performance, redundancy, and database management. Sample SQL Command 1alter database add logfile member …

Calculating Redo Log File Sizes in Oracle Databases Maintaining optimal performance in your Oracle database often involves careful monitoring of various components. Redo log files, crucial for recovery, require attention to ensure they're sized appropriately. In this post, I'll share a code snippet to list redo log …