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About Oracle Day by Day | Oracle DBA Scripts & Database Utilities

Oracle Day by Day is a comprehensive resource for Oracle database administrators and developers, providing 350+ production-tested Oracle DBA scripts and 88 Oracle error resolution guides with detailed documentation and practical examples.

To provide the Oracle DBA community with:

  • Production-tested Oracle scripts that solve real-world database administration challenges
  • Comprehensive Oracle error documentation with step-by-step resolution guides
  • Detailed usage examples with troubleshooting guidance for each utility
  • Organized categories that make finding the right script fast and easy

Our library includes production-ready scripts organized by category:

CategoryScriptsDescription
Performance Analysis171Session monitoring, wait events, I/O analysis, SQL tuning, AWR/ASH reports
Schema Analysis60Table/index analysis, statistics review, object dependencies, DDL generation
Administration46Health checks, space management, job scheduling, maintenance utilities
Database Information36Instance status, parameter queries, redo logs, SGA/PGA information
SQL Generators20Template generators for common DBA tasks (rebuild, grants, drops)
OEM Management9Oracle Enterprise Manager monitoring and administration
Security Analysis7User/role management, privilege analysis, audit configuration
ASM Analysis7Automatic Storage Management disk and diskgroup utilities

Comprehensive troubleshooting documentation for common Oracle errors:

  • Database and System Errors - ORA-00001 through ORA-30036
  • Network and Connection Errors - ORA-12154, ORA-12170, TNS errors
  • PL/SQL Errors - ORA-06502, ORA-06512, ORA-06550
  • ASM Storage Errors - ORA-15001 through ORA-15063
  • Backup and Recovery Errors - ORA-16038, ORA-19815

Each error guide includes:

  • Root cause analysis
  • Diagnostic queries
  • Step-by-step resolution procedures
  • Prevention strategies
  • Related error cross-references

Every script and error guide includes:

  • Clear purpose and functionality description
  • Usage examples with sample parameters
  • Expected output with column explanations
  • Required privileges and prerequisites
  • Troubleshooting guidance for common issues
  • Related scripts for comprehensive analysis

All content is:

  • Production-tested in enterprise Oracle environments
  • Performance-optimized for minimal system impact
  • Version-compatible across Oracle 11g, 12c, 18c, 19c, and 21c
  • Regularly updated with new scripts and error guides

Scripts must meet strict quality standards:

  • Well-structured SQL with proper formatting
  • Clear purpose and practical utility for DBAs
  • No environment-specific hardcoded values
  • Appropriate error handling and safety checks
  • Performance considerations for large databases

Each script follows our documentation template:

  • Safety disclaimer and warnings
  • Complete usage instructions
  • Parameter explanations with defaults
  • Sample output with column descriptions
  • Performance analysis guidance
  • Troubleshooting section
  • Related script references
  • Logical categorization by function and use case
  • Alphabetical ordering within categories
  • Consistent naming conventions across all scripts
  • Cross-references between related utilities
  • Astro with Starlight documentation theme
  • MDX support for enhanced content formatting
  • Built-in search for fast script and error discovery
  • Responsive design optimized for desktop and mobile
  • Dark mode support for comfortable viewing
  • Static site generation for fast page loads
  • Optimized assets and minimal CSS footprint
  • SEO-optimized structure and meta tags
  • Client-side search with no server dependencies

Whether you are:

  • New to Oracle - Start with our Quick Start guide and essential health check scripts
  • Experienced DBA - Find advanced troubleshooting utilities and performance tuning scripts
  • Developer - Access schema analysis tools and SQL optimization utilities
  • Consultant - Leverage production-tested scripts for client database assessments
Content TypeCountDescription
Utility Scripts350+Production-ready Oracle SQL scripts
Oracle Error Guides88Comprehensive error resolution documentation
Oracle Tools Guides12+RMAN, Data Pump, SQL*Loader, Scheduler documentation
Best Practices3Architecture, common issues, and best practices guides

Email: [email protected]

We welcome:

  • Script suggestions and improvement ideas
  • Error documentation requests
  • Bug reports and corrections
  • General feedback and questions

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  • Data collection practices
  • Cookie and analytics usage
  • Third-party services

Oracle Day by Day - Production-tested Oracle DBA scripts and comprehensive error resolution guides for database professionals.