Tag: database

PostgreSQL ALTER COLUMN: Change Data Type

Remove Duplicate Data in MySQL

MySQL utf8_general_ci: Usage & Guide

PostgreSQL GROUP_CONCAT Equivalent: string_agg Explained

Oracle CONCAT Function: A Comprehensive Guide to String Concatenation

Understanding SQL Hints: Optimizing Query Performance

Oracle nvarchar vs. varchar: Key Differences and Use Cases

SQL CAST Function: Purpose, Usage, and Examples

SQL: Efficiently Remove Duplicates and Calculate Sums

SQL: Efficiently Concatenate VARCHAR Fields – A Comprehensive Guide