What are the ids of documents which don't have expense budgets?
CREATE TABLE Documents (document_id VARCHAR); CREATE TABLE Documents_with_expenses (document_id VARCHAR)
SELECT document_id FROM Documents EXCEPT SELECT document_id FROM Documents_with_expenses
### Context: CREATE TABLE Documents (document_id VARCHAR); CREATE TABLE Documents_with_expenses (document_id VARCHAR) ### Question: What are the ids of documents which don't have expense budgets? ### Answer: SELECT document_id FROM Documents EXCEPT SELECT document_id FROM Documents_with_expenses