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How to Do UPDATE … LIMIT in PostgreSQL (With Standard SQL Alternatives)

If you have ever migrated a workload from MySQL to PostgreSQL, you have probably hit a wall the first time you tried to run a statement like UPDATE mytable SET status = 'done' LIMIT 100;. [...]

Patroni Standby Cluster: Cascading Replication for PostgreSQL High Availability

PostgreSQL has become the database of choice for organizations that demand reliability, and Patroni sits at the center of most production-grade PostgreSQL high availability deployments. In this in-depth guide we walk through one of Patroni's [...]

Should I Rebuild My PostgreSQL Index? When and How to REINDEX

Few maintenance questions generate as much confusion in the PostgreSQL community as this one: should I rebuild my PostgreSQL index, and if so, how often? Database administrators arriving from other systems frequently ask, "How can [...]

PostgreSQL Rogue Index Troubleshooting Tips and Tricks in PostgreSQL 17

If you have been managing PostgreSQL databases for any length of time, you have almost certainly run into the situation where an index that was supposed to help your queries is somehow making things worse. [...]

PostgreSQL log parsing and shipping

Practical PostgreSQL log parsing guide with working SQL examples, EXPLAIN ANALYZE walkthroughs, configuration tips, and production guardrails for PostgreSQ.

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Why Your PostgreSQL Query Reads Millions of Blocks

Why Your PostgreSQL Query Reads Millions of Blocks to Return Zero Rows (And How to Fix It) A deep dive into index bloat, dead tuples, and MVCC visibility in high-throughput PostgreSQL tables If you’ve ever […]

From Chaos to Clarity – Case Study of a Failed CDP Implementation

From Chaos to Clarity: Anonymized Case Study of a Failed CDP Implementation We Rescued Introduction: The Promise and Peril of Customer Data Platforms In today’s hyper-competitive digital landscape, businesses are increasingly turning to Customer Data […]

PostgreSQL 18 Performance Tuning

PostgreSQL 18 Performance Tuning: A Practical Guide for Modern Workloads PostgreSQL 18 introduces significant enhancements in asynchronous I/O and query planning, but performance optimization still hinges on a focused set of configuration parameters (GUCs) . […]

PostgreSQL Sharding Challenges: How It Compares with MongoDB’s Simplicity

Introduction : PostgreSQL Sharding: An Overview and MongoDB Comparison Database sharding has become a critical strategy for scaling applications that handle massive datasets and high-traffic workloads. As organizations grow, the need to distribute data across multiple […]

PostgreSQL “Current Transaction is Aborted” Error: Complete Guide to Resolution

PostgreSQL Current Transaction is Aborted Error: Complete Guide to Resolution PostgreSQL’s “ERROR: current transaction is aborted, commands ignored until end of transaction block” is one of the most common yet misunderstood errors developers encounter. This […]

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PostgreSQL Troubleshooting