Chetan Yadav | Oracle DBA & Cloud Trainer

   Steps to Handle Loss of Redo Log File   1.  Identify the Lost Redo Log:         - First, figure out which redo log group and member are missing. You can do this using SQL*Plus or SQL Developer connected to your Oracle database.          SELECT group#, member   FROM v$logfile;                This query will list the redo log groups and their members. Identify the missing one based on its group number and member path.   2.  Check Redo Log Status:    - Next, verify the status of the remaining redo log groups and members to ensure they are intact and available.       SELECT group#, status   FROM v$log;   3.  Restore Lost Redo Log:    - If you have a backup of the lost redo log file, restore it from your backup solution (like RMAN) to its original location.    - If no back...

  Earning the title of "Top Database Administration Voice" is an incredible honor and a deeply humbling recognition of the dedication, passion, and countless hours I've invested in this field. But beyond the personal gratification, it serves as a powerful catalyst, propelling me forward in my journey and igniting a renewed sense of purpose within the vibrant and ever-evolving world of database administration (DBA). A Heartfelt Expression of Gratitude At the outset, I want to express my heartfelt gratitude to everyone who played a part in making this recognition possible. This includes everyone who nominated me, actively engaged with my work, or simply offered words of encouragement and support along the way. This achievement isn't solely a reflection of individual effort; it's a testament to the collaborative spirit and unwavering support of the entire DBA community. Beyond Recognition: A Springboard for Growth This recognition isn't merely a badge of honor; i...

Introduction: This SOP outlines the technical steps involved in migrating a standalone Oracle database version 11.2, running on a Linux operating system, to PostgreSQL versions 13 or 14 on the same Linux OS using the ora2pg migration tool. Technical Steps: 1. Pre-Migration Assessment: Source Database Analysis: Conduct a thorough analysis of the Oracle 11.2 database to identify schema, data structures, and dependencies. Document Oracle-specific features and configurations. Target Environment Validation: Verify compatibility of PostgreSQL versions 13 and 14 with the existing Oracle database. Ensure the PostgreSQL environment meets the necessary prerequisites. 2. Install and Configure ora2pg: Tool Installation: Install the ora2pg migration tool on a dedicated server or workstation. Verify the installation and basic functionality of ora2pg. Configuration: Configure ora2pg by specifying Oracle connection details, including username, password, and connection string. Set PostgreSQL connecti...