Optimizing GROUP BY in MySQL: Insights from Real-Life Query Analysis
My current query: SELECT eod.date, SUM(eod.stable_price) AS sumStablePrice FROM item_eod eod WHERE eod.date >= CURRENT_DATE…
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Top 10 Database Optimization and Recovery Strategies for Senior Software Engineers
Position: Senior Software Engineer Interview Time: Nov 2024 Company Type: Insurance & User Management Company…
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7 Essential Caching Strategies to Boost Backend Performance and Scalability
1. In-Memory Caching Description: Stores frequently accessed data in the application’s memory, which speeds up…
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MySQL
Enhancing Text Search in MySQL: A Comparison of SOUNDEX and Full-Text Search
In many applications, efficient text search capabilities are critical for delivering fast and relevant results…
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PostgreSQL
Postgres Index Methods: Things you need to know
In PostgreSQL, different types of index methods are used to optimize query performance, especially for…
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A Deep Dive into Schema-Based Multi-Tenancy: Scaling, Maintenance, and Best Practices
Introduction As your application scales and serves multiple tenants, choosing the right multi-tenancy architecture is…
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PostgreSQL
Understanding PostgreSQL WAL and How It Can Save Your Data
PostgreSQL’s Write-Ahead Logging (WAL) system is a fundamental component that ensures database durability, data integrity,…
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MySQL Indexes: Boosting Query Performance with Column Order
In MySQL, the order of columns in a composite index (an index that spans multiple…
Database
Shedding Some Light: How the DROP COLUMN Command Works in PostgreSQL
Imagine your PostgreSQL database as a filing cabinet. Over time, you might accumulate folders you…