by Pratik Kumar Saha | Sep 17, 2026 | Blog, PostgreSQL
SUMMARY: Learn why PostgreSQL chooses sequential scans, when they are efficient, and how to determine whether a Seq Scan is really a performance problem. Table of contentsSUMMARY:IntroductionWhat Is a Sequential Scan?Selectivity MattersPostgreSQL Uses Cost...
by Pratik Kumar Saha | Sep 3, 2026 | Blog, Database, PostgreSQL
SUMMARY: Database administrators can significantly improve query execution and resource efficiency by selecting specialized PostgreSQL access methods rather than defaulting to standard B-Tree indexes. Key Takeaways: Engineers maximize database performance by matching...
by Pratik Kumar Saha | Aug 20, 2026 | Blog, Database, Oracle, PostgreSQL
SUMMARY: Database administrators can reduce migration risk and lower licensing costs by leveraging Ora2Pg to automate schema conversion, generate pre-migration complexity reports, and streamline data export when transitioning from Oracle to PostgreSQL. Key Takeaways:...
by Pratik Kumar Saha | Jul 23, 2026 | Blog, Database, PostgreSQL
SUMMARY: Learn why failed INSERT statements can still generate WAL in PostgreSQL, how this impacts production systems, and the key metrics to monitor and troubleshoot WAL growth. Table of contentsSUMMARY:IntroductionUnderstanding the BehaviorWhy It Matters in...
by Pratik Kumar Saha | Jun 18, 2026 | Blog, MySQL
SUMMARY: MariaDB Galera Cluster earns the label “virtually synchronous” because every node must receive and certify a transaction’s write set before the commit is acknowledged, yet nodes do not fully apply that transaction before the client sees...
by Pratik Kumar Saha | Feb 2, 2026 | Blog, PostgreSQL
SUMMARY: XTIVIA explores the complex reality of active-active PostgreSQL replication, evaluating modern tools such as EDB PGD and AWS pgactive to help organizations determine whether their high-availability requirements truly justify the added operational complexity....
