List columns by name length in Snowflake

This query returns columns in Snowflake database sorted by their name.

Query

select c.column_name,
    length(c.column_name) as column_name_length,
    t.table_schema,
    t.table_name
from information_schema.tables t
inner join information_schema.columns c on 
         c.table_schema = t.table_schema and c.table_name = t.table_name
where table_type = 'BASE TABLE' 
order by column_name_length desc, 
    c.column_name; 

Columns

  • column_name - column name
  • column_name_length - column name length
  • table_schema - column table schema name
  • table_name - column table name

Rows

  • One row represents one column of each table in a database
  • Scope of rows: each column that exists in a database
  • Ordered by length descrending - from longhest to shortest

Sample results

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