dm_create_references: Create reference info
Description
Creates references (foreign keys) based on reference table names in
column info table.
Usage
dm_create_references(col_table)
Arguments
col_table
A data frame with table columns
Details
The function is used when creating data model object.
col_table must have at least
table,
column and
ref elements.
When referencing to tables with compound primary keys
additional ref_col with primary key columns must be provided.