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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- How To Remove Null Values In Power Query
A practical guide to filtering, replacing, and handling null values in Power Query without damaging downstream analysis.
- How To Remove Duplicates In Google Sheets
A practical guide to removing duplicates in Google Sheets covering built-in duplicate removal, UNIQUE-based workflows, cleanup checks, common mistakes, and real spreadsheet reporting use cases.
- How To Remove Duplicates In Excel
A practical guide to removing duplicates in Excel covering the Remove Duplicates tool, UNIQUE function, duplicate checking workflows, common mistakes, and real spreadsheet cleanup patterns.
- How To Merge Tables In Power Query
A practical guide to merging tables in Power Query with the right join types, keys, and cleanup steps.
- How To Highlight Duplicates In Google Sheets
A practical guide to highlighting duplicates in Google Sheets covering conditional formatting, COUNTIF formulas, duplicate checks, common mistakes, and real reporting and cleanup workflows.
- How to Find Slow SQL Queries
A detailed guide to finding slow SQL queries, including query logs, execution plans, pg_stat_statements, Query Store, slow query logs, lock analysis, and how to identify the queries that hurt performance most.
- How to Find and Remove Duplicates in SQL
A detailed guide to finding and removing duplicate rows in SQL, including safe workflows, duplicate detection queries, ROW_NUMBER cleanup patterns, and ways to prevent duplicates from coming back.
- How To Extract Text Before Or After A Delimiter In Excel
A practical guide to extracting text before or after a delimiter in Excel using TEXTBEFORE, TEXTAFTER, LEFT, RIGHT, MID, FIND, and cleanup patterns for business spreadsheets.
- How To Export SQL Results To Excel
A practical guide to exporting SQL results to Excel, covering Excel connections, SSMS result export, SQL Server Import and Export Wizard, CSV fallbacks, refresh strategy, formatting, and row-limit considerations.
- How To Create Relationships In Power BI
A practical guide to creating relationships in Power BI, covering table structure, keys, one-to-many relationships, filter direction, model design, troubleshooting, and real reporting examples.