The column() function retrieves the value from a specific field in a table.
column(name) of table table_name
• name – A string specifying the field to retrieve.
• of table table_name – The table from which to retrieve the value.
The value from the specified field. The data type will be the same as the data type of the field being retrieved.
The column() function is typically used in the trigger processing procedure for cross-dictionary database triggers. It is used to retrieve field values from the anonymous table passed into the trigger processing procedure.