columnfn

Add a new column to all rows in a table with optional default value

Calculate average of numeric values in a column

Count unique values in a column

deletes a column from a table

Extract all values from a column as an array

Check if a column exists in a table

Get an array of all column names in a table

Find maximum value in a column

Find minimum value in a column

Rename a column across all rows in a table

sorts a column of data

Sum all numeric values in a column