How Can master..spt_values Simplify Column Splitting in SQL?

Why and How to Use master..spt_values for Column Splitting

Purpose of master..spt_values

Master..spt_values contains various tables used by system procedures for data lookup, expansion, and projection.

Meaning of Type = 'P' in master..spt_values

Type 'P' represents a projection table containing consecutive numbers from 0 to 2047. This table assists in performing projections or stepping through lists sequentially.

Benefit of Using master..spt_values for Splitting a Column

The "Split one CSV column into multiple rows" code utilizes master..spt_values for projection, enabling it to step through a CSV column and extract values based on commas or end-of-string markers. This eliminates the need for creating and populating a temp table with consecutive numbers and simplifies the splitting process.

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