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ORA-39700: database must be opened with UPGRADE option

Introduction If you encounter the error: SQL> startup ORACLE instance started. Total System Global Area 1.2831E+10 bytes Fixed Size …

Fast Recovery Area (FRA) in Oracle Database Explained

Introduction to Fast Recovery Area (FRA) The Fast Recovery Area (FRA) is an important feature in Oracle Database that helps manage backup and recover…

CRSCTL and SRVCTL Commands Cheat Sheet for Oracle RAC

Introduction: Managing Oracle RAC environments requires a clear understanding of cluster-related utilities such as CRSCTL and SRVCTL. These tools are…

Tablespace Management in Oracle Database

Introduction to Tablespace Management in Oracle Tablespaces play a critical role in how data is stored and managed in an Oracle Database. They help o…

Oracle User Management: Understanding Users, Roles, and Privileges

Introduction to User Management in Oracle Database User management is one of the core responsibilities of an Oracle Database Administrator. Every use…

ORA-00742: Log read detects lost write in thread 1 sequence xxxxx block xxxxx

Introduction Oracle databases running on Windows Server are highly sensitive to unexpected shutdowns. A sudden power failure can interrupt redo log w…

OPatch failed to locate Central Inventory

While verifying installed patches using OPatch, an error may occur indicating that the Central Inventory cannot be located. This prevents the opatch …

Step-by-Step Guide to Install Oracle 19c RAC (Beginner Friendly)

In this article, we provide a step-by-step guide to installing and configuring a 2-node Oracle 19c RAC database on VirtualBox without using DNS servi…
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