Oracle DBA 常用 Script 第二部分（Tuning）

以下是目录：

Active Transactions in Rollback Segments

Best Tablespace Utilization Report by Far

Buffer Cache Hit Ratio

Calculate Dictionary Cache Ratio

Calculate Individual Cache Hit Ratios

Calculate the Library Cache Ratio for the Whole system

Calculate the number of Days Hours and Minutes Between 2 Dates

Catalog.txt

Check how may extents an object has and what tablespaces it maps to etc

Check Session Level Hit Ratio

Data Blocks Used By a Table

data files space usage

Database Space Usage Report

DB Block Efficiency Script

DB Growth over time

Display the current sessions with the operations they are performing

Estimate Space Utilization Script

EXPLAIN and get some statistics on your SQL

FILE IO

Find Full Table Scans

Fragmentation Monitor

Free space report by tablespace

Freespace in Tablespace

Identify top 20 Oracle Processes in Unix

Keep tablespace usage 80%

List Session Specific Memory

List the size of Stored Procedures and use it to tune Shared Pool

Monitor and Verify Deadlocks and Waiting Sessions

Monitor IO by Tablespace and Data File

Oracle DBA 常用 Script Tuning.doc

Quota By User

Rate of Storage Usage in the Tablespace

Reaching Max Extents

Read values one by one at a time from a string separated by

Redo Latch Contention Monitor

Rollback Segment Contention

Rollback Segment Wrap Time Monitoring Script

Rollback Statistics

Script to monitor user activity on the database

Script to show all free extents on tablespace

script to show all rollback segments

SGA Sizing

Show tablespace usage

Simple script to show Tablespace Size Freespace and Usage

Sorts Monitoring Scripts

Table Index Report

Table Shared Mem Usage Report

Table that is highly fragmented

Table usage report

Tablespace Coalesce Script

Tablespace Information Report

Tablespace Space Usage

Tablespace Summary and Freespace Report

Tablespace used space

The script takes owner of the table and the table name and detects row chaining

THE Tablespace Report

This script exports data

This script will monitor file system growth and email it to sysadmin

Transaction Processing Rate

Types of Contention a Database Instance is or is not Experiencing

Unused areas in a data file

Used and Free Space Comparison

Useful Scripts for Tablespace Management

View of all sessions

Who is currently running what SQL

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