Executive Summary As we move further into 2026, the promise of the "Self-Driving Database" has largely been realized. Autonomic systems, capable of self-tuning, self-healing, and self-provisioning, are now standard in enterprise environments. However, this shift has...
Database Blog Posts
Beyond the Handshake: What to Expect During Virtual-DBA Onboarding
SUMMARY: XTIVIA accelerates the Virtual-DBA onboarding process to quickly stabilize client database environments through an immediate technical kickoff and clearly defined service tiers. The onboarding process begins rapidly within 2 to 14 days to establish crucial...
Setting Up AutoStart for Oracle Database on Linux
SUMMARY: Administrators can ensure high availability and prevent data corruption by configuring Oracle Database to automatically start and shut down during Linux system events using either modern systemd services or legacy dbora scripts. Administrators must first...
Performance Tuning in Oracle 19c: From AWR to SQL Plan Management
SUMMARY: Database Administrators can maximize the stability and efficiency of Oracle 19c environments by leveraging built-in diagnostic tools to pinpoint bottlenecks, automate query optimization, and enforce consistent execution plans. The Automatic Workload...
The Last Informix Shop Standing (Part 3): De-Risking Your Legacy Application Migration to ARM64
SUMMARY: XTIVIA bridges the critical skills gap required to migrate complex, 32-bit legacy application stacks—including Informix 4GL and C-Routines—onto modern, cost-efficient ARM64 cloud infrastructure. The "Legacy Application Hurdle" requires recompiling x86...
The ‘Zero-DBA’ Revolution (Part 2): Informix 15, ARM64, and the Intelligent Edge
SUMMARY: The convergence of Informix 15 and ARM64 architecture empowers organizations to master the Intelligent Edge by providing a reliable, "Zero-DBA" platform that processes complex IoT data locally with minimal latency and infrastructure costs. Informix 15...
The Informix TCO Revolution (Part 1): How to Cut Your Cloud Database Costs by 30-50%
SUMMARY: IT leaders running Informix can achieve a 30-50% reduction in cloud Total Cost of Ownership (TCO) while enhancing performance by migrating from legacy x86 instances to the new HCL Informix 15 on the ARM64 architecture, supported by AWS Graviton and Azure...
Understanding ANALYZE in PostgreSQL – The Hidden Key to Query Optimization
Summary The PostgreSQL ANALYZE command is the fundamental mechanism that collects statistical data about table contents, enabling the query planner to make accurate cost estimates for efficient and optimal query execution. Table of contentsSummaryIntroductionWhat...
Why VACUUM FULL Can Be Dangerous — and What to Use Instead
SUMMARY: PostgreSQL database administrators must avoid using the VACUUM FULL command in live environments because its exclusive locking mechanism causes unacceptable service downtime, necessitating the use of safer alternatives like the pg_repack extension or a...
Oracle 12c to 19c Database Upgrade Manual
SUMMARY: Database administrators can achieve improved performance, stability, and extended support by executing a four-step migration from Oracle 12c to the long-term support version 19c, primarily utilizing the visual and automated Database Upgrade Assistant (DBUA)....