Elysiate blog
Practical guides for privacy-first developer tools, SEO and content operations, data and file workflows, cloud and API security, AI engineering, and sustainable freelance work. Everything here supports the same philosophy as our browser-based utilities: your data stays on your device until you choose otherwise.
For tabular data, the CSV tools hub covers validation and conversion in the browser, and the CSV topic index lists every CSV-tagged guide in one place.
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- SQL CTEs Explained With Examples
A detailed guide to SQL CTEs with examples, covering basic syntax, multiple CTEs, recursive CTEs, reporting workflows, data cleanup, updates, deletes, and common mistakes.
- SQL Composite Indexes Explained
A detailed guide to SQL composite indexes, covering multi-column index design, leftmost prefix behavior, filtering, sorting, joins, common mistakes, and practical indexing patterns for real workloads.
- SQL Complete Guide for Beginners and Developers
A detailed SQL guide for beginners and developers with practical examples, core syntax, query patterns, data modeling basics, and the SQL concepts most useful in real projects.
- SQL Cheat Sheet for Developers
A developer-friendly SQL cheat sheet with practical syntax, examples, and common query patterns for day-to-day database work.
- SQL CASE WHEN Explained
A detailed guide to SQL CASE WHEN, covering conditional logic, multiple conditions, categorization, calculated columns, conditional aggregation, and practical reporting patterns.
- SQL Aggregate Functions Explained
A detailed guide to SQL aggregate functions, covering COUNT, SUM, AVG, MIN, MAX, GROUP BY, HAVING, NULL handling, and practical query patterns for reporting and analysis.
- Spreadsheet Reporting vs Database Reporting
A practical guide to spreadsheet reporting vs database reporting, covering flexibility, scale, governance, refresh, formulas, SQL, auditability, and how analysts choose the right reporting layer.
- Spreadsheet Analytics & BI
A comprehensive pillar page for spreadsheet analytics and BI covering the tools, workflows, decisions, and learning path teams use to move from spreadsheets to scalable reporting and dashboards.
- Sort vs SORTBY In Excel
A practical guide to SORT vs SORTBY in Excel covering syntax, one-column sorting, multi-column sorting, dynamic outputs, common use cases, and how to choose the right function for spreadsheet reporting.
- Small Business Cash Flow Template
A practical guide to building and using a small business cash flow template, including source table structure, opening and closing balance logic, inflow and outflow categories, forecast views, and recurring workflow design.