Oracle Undo, A Deep Dive into DBA_UNDO_EXTENTS
May 11, 2024 / · 3 min read · Oracle Database Database Administration Performance Tuning SQL Troubleshooting dba_undo_extents ·Oracle Undo: A Deep Dive into DBA_UNDO_EXTENTS Unlock the secrets of Oracle's undo mechanism with this in-depth guide to the DBA_UNDO_EXTENTS view. Learn how to analyze undo tablespace usage, interpret extent statuses (ACTIVE, UNEXPIRED, EXPIRED), and gain valuable insights for proactive database management. Avoid …
Read MoreReal-Time Oracle Rollback Detection, Is Your Database Undoing Changes?
May 10, 2024 / · 3 min read · Oracle Database SQL Database Administration Performance Tuning Troubleshooting v$session v$transaction ·Real-Time Oracle Rollback Detection: Is Your Database Undoing Changes? This SQL query monitors real-time rollbacks in Oracle databases. It identifies which sessions are actively undoing changes and tracks their progress by observing the used_ublk value (the number of undo blocks in use). When used_ublk reaches zero, …
Read MoreIdentify Large Indexes for Oracle Database Optimization with SQL
Optimizing Your Oracle Database: A Guide to Identifying Large Indexes with SQL Keeping your Oracle Database running smoothly requires constant monitoring and optimization. Indexes, a crucial component for efficient data retrieval, can sometimes grow excessively, impacting performance. This blog post dives into a …
Read MoreUnveiling the Mystery: Extracting Object DDL in Oracle Database (9i onwards) Ever faced the situation where you needed the Data Definition Language (DDL) script for an existing table, view, or other database object in your Oracle database (version 9i or later)? This can be crucial for various tasks, such as replicating …
Read MoreUse a SQL Query To Find Tables Containing a Specific Column in Oracle Database Introduction Managing a complex Oracle database often involves navigating a labyrinth of tables and columns. Identifying specific data points within these tables can be crucial for various tasks. Knowing which tables contain a particular …
Read MoreUnveiling the Mystery Oracle for Object Size Analysis
Unveiling the Mystery: Demystifying an Oracle SQL Code Snippet for Object Size Analysis In the ever-evolving realm of database management, efficient resource utilization is paramount. Oracle, a widely recognized database management system, offers powerful tools to help optimize storage and performance. This blog post …
Read MoreUnveiling Your Database Toolkit Exploring Objects Owned by a User in Oracle
Unveiling Your Database Toolkit: Exploring Objects Owned by a User in Oracle In the intricate world of database management, understanding the landscape of objects is crucial for efficient operation. This blog post empowers you to leverage a specific Oracle Database SQL code snippet to list all objects owned by a …
Read MoreUnveiling the Mystery: Demystifying an Oracle Database Procedure In the realm of relational databases, procedures serve as powerful tools for encapsulating complex sets of instructions and improving code reusability. They act as building blocks, streamlining development and maintenance. Today, we'll delve into the …
Read MoreShow latent parameter changes Analyzing Modified Oracle Database Parameters for Insights and Optimization Uncover configuration customizations, potential performance bottlenecks, and security considerations by examining modified initialization parameters in Oracle Database. SQL Code 1select name 2, value 3from …
Read MoreOracle SQL Scripts and Database Commands 23c 21c 19c 18c 12c 11g 10g 9i 8i We are in the process of building a list of simple scripts used every day by DBA and others. If you have your own scripts you reuse in a text file on you workstation please send it to us. To look at other scripts see the Oracle Scripts Tag …
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