Oracle Performance Tuning Deep Dive into Session Statistics with SQL
Oracle Database: Deep Dive into Session Statistics
Purpose
This Oracle SQL query is designed to retrieve a snapshot of active session statistics for a specific session within your Oracle database. Session statistics provide invaluable insights into the current activity and resource utilization of a particular database …
Read MorePinpoint Resource-Hungry SQL in Oracle: A Performance Optimization Deep Dive
Purpose
This Oracle SQL query is your go-to tool for identifying SQL statements that are putting a strain on your database resources. By analyzing execution statistics, it highlights queries that are consuming significant disk reads and buffer …
Read MoreOracle Database: Unlocking File I/O Insights for Performance Tuning
Purpose
This Oracle SQL query provides a crucial window into your database's file input/output (I/O) activity. It displays statistics like physical reads, writes, and associated timings for each data file, empowering you to identify I/O bottlenecks and …
Read MoreOracle Database: Real-Time SQL Tracing for In-depth Performance Insights
Purpose
This Oracle database technique empowers you to dynamically enable or disable SQL tracing for specific sessions. SQL tracing captures detailed information about SQL statements executed within a session, providing valuable insights into …
Read MoreOracle Performance Tuning: Harness the Power of Event 10046 Tracing
Purpose
This Oracle Database technique allows you to enable extended SQL tracing using Event 10046. This produces highly detailed trace files capturing SQL statements, bind variables, wait events, and more, making it an indispensable tool for …
Read MoreOracle Database: Understanding Rows per Block for Efficient Storage
Purpose
This Oracle SQL query helps you analyze the average, maximum, and minimum number of rows stored within each data block for a specific table. Understanding this metric is critical for optimizing storage efficiency, query performance, and overall …
Read MoreOracle Performance Tuning Leverage the Buffer Cache Advisory for Optimal Performance
Oracle Database: Deciphering the Buffer Cache Advisory for Performance Gains
Purpose
This Oracle SQL query, coupled with the necessary system setting, unveils the Buffer Cache Advisory, a valuable tool for optimizing your database's buffer cache size. By estimating the potential reduction in physical reads at various …
Read MoreIdentifying Disabled Foreign Key Constraints in Oracle Database using dba_constraints
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
1 …
Read MoreEnabling Disabled Foreign Key Constraints in Oracle Database using dba_constraints
Aug 3, 2024 · 2 min read · Oracle SQL database DBA troubleshooting constraints Database Administration dba_constraints ·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 '||owner|| …
Read MoreShow 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 …
Read More