HF RL Explorer

Task: Concatenate Columns in PostgreSQL SELECT

Task: Concatenate Columns in PostgreSQL SELECT: a task in Terminal-Lego-15k (Harbor dataset). Demonstrate how to properly concatenate two character(2) columns in a PostgreSQL SELECT query, handling potential NULL values correctly using COALESCE or the concat() function.

The task

Demonstrate how to properly concatenate two `character(2)` columns in a PostgreSQL SELECT query, handling potential NULL values correctly using `COALESCE` or the `concat()` function.

Part of PrimeIntellect/Terminal-Lego-15k.