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Frustrated developer debugging SQL pivot table query with missing columns and annotated code screen showing pivot logic with NULL and static pivot issues

Frustrated developer debugging SQL pivot table query with missing columns and annotated code screen showing pivot logic with NULL and static pivot issues

Databases

SQL Pivot Table: Why Isn’t It Returning My Columns?

byDev Solutions

January 28, 2026

SQL ROW_NUMBER function thumbnail emphasizing prioritizing USA rows first when ordering data by country in queries

SQL ROW_NUMBER function thumbnail emphasizing prioritizing USA rows first when ordering data by country in queries

Databases

SQL Row Number: How to Order Rows by Country?

byDev Solutions

January 18, 2026

SQL query terminal showing how to handle NULLs with MAX function using COALESCE and CASE WHEN, highlighting best practices for developers

SQL query terminal showing how to handle NULLs with MAX function using COALESCE and CASE WHEN, highlighting best practices for developers

Databases

SQL Query for NULL and Max Value – What Works?

byDev Solutions

January 16, 2026

Databases

Postgres TIMESTAMPTZ: Why Is It Always UTC?

byDev Solutions

January 4, 2026

Frustrated developer fixing spatial SQL error in BigQuery using ST_GEOGFROMTEXT function

Frustrated developer fixing spatial SQL error in BigQuery using ST_GEOGFROMTEXT function

Databases

Geolocation SQL in BigQuery: What’s the Right Syntax?

byDev Solutions

December 25, 2025

Frustrated developer staring at SQL duplicate rows caused by JOIN, with a comparison to fixed SQL output showing correct query results

Frustrated developer staring at SQL duplicate rows caused by JOIN, with a comparison to fixed SQL output showing correct query results

Databases

SQL Join Duplicates: What’s Causing Them?

byDev Solutions

August 26, 2025

Databases

Retrieve JSON Array from MySQL: How to Do It?

byDev Solutions

July 30, 2025

Developer parsing XSLT file with XML in SQL Server using XPath, namespaces and queries

Developer parsing XSLT file with XML in SQL Server using XPath, namespaces and queries

Databases

Import XSLT with XML in SQL Server?

byDev Solutions

July 25, 2025

Developer shocked by fast Oracle tablespace growth with LOB and segment overhead labeled blocks overflowing a hard drive icon

Developer shocked by fast Oracle tablespace growth with LOB and segment overhead labeled blocks overflowing a hard drive icon

Databases

Oracle Tablespace: Why Is It Growing So Fast?

byDev Solutions

July 11, 2025

Illustration of MySQL RANK() function displaying ranked numbers over a database table with a bold question mark, suggesting curiosity about the function's return type.

Illustration of MySQL RANK() function displaying ranked numbers over a database table with a bold question mark, suggesting curiosity about the function's return type.

Databases

RANK() in MySQL & MariaDB: What’s the Return Type?

byDev Solutions

June 2, 2025