Identifying Disabled Foreign Key Constraints in Oracle Database using dba_constraints Purpose This SQL query is designed to identify and list all disabled foreign key constraints within an Oracle database. It provides information about the table and constraint name for each disabled foreign key. Sample SQL Command 1set …

Enabling Disabled Foreign Key Constraints in Oracle Database using dba_constraints Purpose This SQL query generates a list of SQL statements that can be executed to enable all disabled foreign key constraints in an Oracle database. Sample SQL Command 1set lines 100 pages 999 2select 'alter table …

Show All Oracle Database Table Constraints using dba_constraints This article delves into the world of Oracle Database constraints, empowering you to understand their types, statuses, and modification history. We'll dissect a powerful SQL query that retrieves this crucial information, making you a database management …

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 …

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, …

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 …

Unveiling 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 …

Use 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 …

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 …

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 …