database performance Archives - The Data Transformation Company

MySQL Query Optimization & EXPLAIN: A Complete Guide for DBAs and Developers

Master MySQL query optimization using EXPLAIN and EXPLAIN ANALYZE. This comprehensive guide covers composite index design, covering indexes, anti-patterns like full table scans and N+1 queries, cursor-based pagination, Performance Schema query analysis, and the MySQL Optimizer Trace for MySQL DBAs and developers.

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Key management in PostgreSQL encryption and TDE key handling

MySQL Slow Query Log Table: A Practical Guide to Identifying and Fixing Performance Bottlenecks

The MySQL slow query log table is one of the most practical tools available to database administrators who need to identify and fix performance bottlenecks—yet it remains widely misunderstood. Every DBA eventually faces the same [...]

InnoDB Performance Optimization: MySQL Database Tuning Guide

InnoDB Performance Optimization: The Complete Guide to Tuning MySQL for Maximum Throughput

InnoDB is the default storage engine for MySQL and MariaDB, and its performance directly determines how well your database-driven applications scale under real-world workloads. Whether you are running a high-traffic e-commerce platform, a SaaS application, [...]

PgBouncer PostgreSQL Connection Pooling: The Complete Guide to Eliminating Bottlenecks

PgBouncer PostgreSQL connection pooling is the definitive solution for enterprises struggling with database performance bottlenecks at scale. When applications slow to a crawl under heavy database load, the culprit is rarely what engineers expect. Slow [...]

Connection Pooling Best Practices for MySQL at Scale

A principal database architect’s guide to MySQL connection pooling at scale: right-sizing application pools, ProxySQL multiplexing, tuning max_connections and timeouts, avoiding connection storms, and the metrics that actually matter.

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8 Proven Azure SQL Caching Strategies for Sub-Millisecond Response Times

Engineer Azure SQL for sub-millisecond response with a layered caching strategy — buffer pool, In-Memory OLTP, Azure Cache for Redis, columnstore, read replicas and Query Store, with runnable T-SQL. Need sub-ms latency on Azure SQL? MinervaDB delivers expert Azure SQL performance tuning, cloud DBA and 24×7 support.

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How to Diagnose Slow Queries in SAP HANA: A Step-by-Step Guide

A repeatable 8-step workflow for diagnosing slow SAP HANA queries — from baseline to root cause to validated fix — using the SQL Plan Cache, Expensive Statements Trace, EXPLAIN PLAN, PlanViz and the column-store and delta-merge views, with runnable SQL. Need it fixed now? MinervaDB delivers expert SAP HANA performance tuning, consulting and 24×7 Remote DBA.

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PostgreSQL Checkpoint Tuning: Eliminating I/O Spikes and Recovery Risk

Default PostgreSQL checkpoint settings create latency spikes, inflate WAL volume, and put crash recovery at risk. This MinervaDB guide walks through every parameter, the new pg_stat_checkpointer view, and reference configurations for OLTP, write-heavy, and analytical workloads on PostgreSQL 16 and 17.

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