Data & Database Workflows (page 25 of 40)
PostgreSQL, SQL, CSV, JSON, Excel, PDF, and conversion pipelines — practical workflows for working with structured data safely.
- 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.
- 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.
- 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.
- 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 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 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 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 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 Date Functions Guide
A detailed SQL date functions guide covering current date and time, date arithmetic, range filtering, grouping by month, date differences, truncation, formatting, and real reporting patterns.
- SQL DELETE vs TRUNCATE vs DROP
A detailed guide to SQL DELETE vs TRUNCATE vs DROP, covering data removal, table removal, performance, rollback, identity reset behavior, constraints, and common mistakes developers make.