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Home » Database » Page 11
Database tutorial - IT technology blog
Posted inDatabase

PostgreSQL Point-in-Time Recovery (PITR): Restore Your Database to Any Exact Second

April 24, 2026
PostgreSQL Point-in-Time Recovery (PITR) lets you restore your database to any exact second — not just to the last backup. This guide walks through WAL archiving setup, base backup configuration, and step-by-step recovery from real incidents like accidental deletes or corruption.
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Database tutorial - IT technology blog
Posted inDatabase

Mastering DuckDB: The ‘SQLite for Analytics’ That’s Replacing Pandas

April 22, 2026
Is Pandas crashing your machine? Discover how DuckDB, a high-performance analytical database, lets you run lightning-fast SQL queries on massive local datasets with minimal memory usage.
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Database tutorial - IT technology blog
Posted inDatabase

Choosing the Right Redis Caching Strategy: A Practical Guide

April 22, 2026
Master Redis caching patterns with this technical deep-dive. Learn when to use Cache-Aside, Write-Through, and Write-Behind to scale your backend performance.
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Database tutorial - IT technology blog
Posted inDatabase

SQLite in Production: How Litestream Makes the ‘Unthinkable’ Safe

April 22, 2026
Learn how to run SQLite in production without the fear of data loss. This guide shows you how to use Litestream for real-time S3 replication and instant disaster recovery.
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Database tutorial - IT technology blog
Posted inDatabase

MySQL High Availability: A Hands-On Guide to Galera Multi-Master Clusters

April 21, 2026
Build a resilient database backend using MariaDB Galera Cluster. This guide covers synchronous multi-master setup, quorum logic, and performance tuning for production environments.
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Database tutorial - IT technology blog
Posted inDatabase

PostgreSQL Multi-tenancy: Choosing Between Schemas and RLS for Your SaaS

April 20, 2026
How do you ensure data isolation in a SaaS app? We compare PostgreSQL Schema-based isolation and Row-Level Security (RLS) with concrete examples and performance tips.
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Database tutorial - IT technology blog
Posted inDatabase

Beyond Basic Queries: Mastering SQL Window Functions for Real-World Analytics

April 20, 2026
Upgrade your SQL skills beyond basic joins. Discover how Window Functions like RANK, LAG, and rolling averages can transform your data analysis and make your reports run 10x faster.
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Database tutorial - IT technology blog
Posted inDatabase

Stop Over-Engineering: High-Performance PostgreSQL Search without Elasticsearch

April 20, 2026
Is Elasticsearch overkill for your app? Learn how we achieved sub-100ms search on 1.2M rows using PostgreSQL's native GIN indexes and tsvector.
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Database tutorial - IT technology blog
Posted inDatabase

ClickHouse Guide: Moving from Row-Store Bottlenecks to Millisecond Analytics

April 19, 2026
Ditch slow SQL aggregations. This hands-on guide walks you through installing ClickHouse on Ubuntu and Docker, with tips on memory tuning and the powerful MergeTree engine.
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Database tutorial - IT technology blog
Posted inDatabase

Recursive CTE in SQL: Handling Tree and Hierarchy Data in PostgreSQL and MySQL

April 18, 2026
Recursive CTEs let you query hierarchical data — org charts, category trees, comment threads — in a single SQL statement, without N+1 queries. This guide covers the pattern in PostgreSQL and MySQL 8.0+ with practical examples and performance tips.
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