Reply To: Linked Columns and overloads of $ ! ?

[amcdonald3]

The following page has some examples on the different types of enum operations: https://code.kx.com/q/basics/enumerations/

code.kx.com

Enumerations – Basics – kdb+ and q documentation - kdb+ and q documentation

For a long list containing few distinct values, an enumeration can reduce storage requirements.