Disclaimer | Oracle Day by Day

Disclaimer

Important Notice

All scripts, code samples, and documentation provided on Oracle Day by Day are for educational and informational purposes only. Use of any content from this site is entirely at your own risk.

No Warranty

The scripts and documentation are provided “AS IS” without warranty of any kind, either express or implied, including but not limited to:

Fitness for a particular purpose
Merchantability
Non-infringement
Accuracy or completeness
Suitability for any specific Oracle version or configuration

Your Responsibility

By using any content from this site, you acknowledge and agree that:

You are solely responsible for testing all scripts in non-production environments before any production use
You assume all risks associated with the use of these scripts in your Oracle database environment
You will not hold Oracle Day by Day liable for any damages, data loss, performance issues, or system problems
You understand that database operations can be destructive, irreversible, or impact system performance if used incorrectly
You will verify that scripts are appropriate for your specific Oracle version and configuration

Oracle Database Safety Guidelines

Before Running Any Script

Step	Action	Why It Matters
1	Read the entire script	Understand what changes will be made
2	Check Oracle version compatibility	Some features vary between Oracle versions
3	Verify required privileges	Ensure your account has necessary permissions
4	Test in development first	Identify issues before impacting production
5	Create a backup	Enable recovery if something goes wrong
6	Schedule appropriately	Some scripts may impact performance
7	Monitor execution	Watch for unexpected behavior

Script Categories and Risk Levels

Category	Risk Level	Precautions
SELECT queries	Low	Generally safe, but may impact performance on large tables
Performance monitoring	Low	Usually read-only, minimal impact
DDL generators	Medium	Review generated SQL before execution
ALTER statements	Medium-High	May lock objects or require downtime
DELETE/UPDATE scripts	High	Always test with WHERE clause validation
System-level changes	High	May require database restart or affect all users

Oracle-Specific Considerations

When using scripts from this site, be aware of:

RAC environments: Some scripts may need modification for multi-instance databases
Pluggable databases: Scripts may need to run at CDB or PDB level appropriately
Data Guard: Some operations may affect standby databases
Oracle version differences: V$ views and parameters change between versions
Character sets: Text processing may vary with different NLS settings
Privileges: DBA views require appropriate grants

Limitation of Liability

In no event shall Oracle Day by Day, its contributors, or authors be liable for:

Direct, indirect, incidental, special, or consequential damages
Loss of data, profits, revenue, or business opportunities
System downtime, performance degradation, or service interruption
Database corruption, configuration issues, or security vulnerabilities
Any damages arising from the use or inability to use the scripts
Damages resulting from unauthorized modifications to scripts

This limitation applies regardless of whether the damages arise from:

Use of scripts as documented
Modifications to scripts
Interaction with your specific Oracle environment
Errors or omissions in documentation

Script Sources and Attribution

Origin of Scripts

The scripts in this collection have been:

Collected from multiple sources over many years of Oracle database administration
Developed by various DBAs and developers in the Oracle community
Modified and enhanced for clarity, safety, and educational purposes
Documented with usage instructions and explanations

Attribution Policy

Scripts may have original authors unknown due to common circulation in the DBA community
Oracle Day by Day does not claim exclusive ownership of these scripts unless explicitly authored by our team
Scripts are provided as educational resources based on common Oracle administration practices
Original authors are credited wherever possible and known
If you believe you are the original author of a script and would like attribution or removal, please contact us

Community Knowledge

These scripts represent the collective knowledge of the Oracle DBA community, shared in the spirit of:

Professional development and continuing education
Best practice sharing among database professionals
Community support for Oracle administrators worldwide
Open knowledge exchange in the technical community

Professional Advice

When to Seek Professional Help

Scripts on this site are not a substitute for:

Professional database administration services
Oracle Support for licensed issues
Qualified consultants for critical production systems
Proper training and certification programs

Organizational Requirements

Before implementing any changes:

Follow your organization’s change management procedures
Obtain proper approvals from database owners and management
Document all changes for audit and compliance purposes
Ensure compliance with your organization’s security policies

Oracle Trademark Notice

Oracle, Oracle Database, Oracle Enterprise Manager, RMAN, Data Pump, SQL*Plus, PL/SQL, and related names are registered trademarks of Oracle Corporation.

This site is not affiliated with, endorsed by, or sponsored by Oracle Corporation.

References to Oracle products are for educational purposes only and do not imply any relationship with Oracle Corporation.

Modifications to This Disclaimer

This disclaimer may be updated at any time without prior notice. Changes become effective immediately upon posting. Continued use of the site after changes constitutes acceptance of the modified disclaimer.

Last Updated: November 2024

By using this site and its content, you acknowledge that you have read, understood, and agree to this disclaimer in its entirety.