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Data & Databases Tips

Data architecture, database optimisation, ETL processes, and data management strategies for modern applications.

Last updated: March 2026
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About this library
About this library:This library documents modern SEO, AI search, web performance, analytics, and digital systems. Content is written to explain concepts, decisions, and implementation trade-offs used in real production environments.Tactics apply to most modern websites and products; complexity increases at scale.

Data architecture is the silent scaffolding of modern applications. It involves the structured storage, retrieval, and management of information to support application state and business intelligence. From designing efficient schemas that prevent anomalies to implementing vector databases for AI applications, this domain ensures that data remains accurate, consistent, and accessible. It underpins Analytics by providing the raw feed of truth and supports Web Development by ensuring backend efficiency. As businesses accumulate terabytes of data, the focus shifts to governance, privacy, and the pipelines (ETL/ELT) that transform raw inputs into actionable insights. Good data practices prevent technical debt and enable advanced features like personalisation and predictive modelling.

High Impact

Implement Proper Schema Migrations

Evolve database structure over time through versioned, trackable changes. Prevents data loss and enables rollbacks.

IntermediateGet Help
Schema MigrationData Normalisation
High Impact

Use Row-Level Security

Restrict which rows users can access based on their identity or role. Critical for multi-tenant applications.

AdvancedGet Help
Row-Level Security (RLS)Multi-Tenant Architecture
High Impact

Consider Vector Stores for AI

Use databases optimised for storing and searching vector embeddings. Essential for semantic search and AI applications.

AdvancedGet Help
Vector StoreVector Database
High Impact

Set Up ETL/ELT Pipelines

Design processes for moving and transforming data between systems. Choose ELT for modern data warehouses.

AdvancedGet Help
ETL / ELTData Warehouse
Medium Impact

Implement Data Enrichment

Augment existing data with additional information from external sources or APIs. Improve lead quality and insights.

IntermediateGet Help
Data EnrichmentZero-Party Data

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