Renames a specified column in a table. The function checks if the table
and the column exist in the schema before attempting to rename the column.
In MS SQL Server this is done using EXEC sp_rename.
Arguments
- server
 Server and instance where SQL Server database found.
- database
 Database containing the table in which the column belongs.
- schema
 Name of the schema containing the table.
- table_name
 Name of the table containing the column.
- old_column_name
 The current name of the column to be renamed.
- new_column_name
 The new name for the column.