Câu 22: QV-DEVELOPER-01: QlikView 11 Developer Certification Examination (qv_developer_01)
A customer has sales data containing a fact table, Sales and dimension tables, Customer, Item, and Vendor. After loading the data, the Entity Relationship Diagram (ERD) has a synthetic table containing the fields Name and Address from the Vendor and Customer tables. How can a developer eliminate the synthetic keys and…
Nội dung câu hỏi
A customer has sales data containing a fact table, Sales and dimension tables, Customer, Item, and Vendor. After loading the data, the Entity Relationship Diagram (ERD) has a synthetic table containing the fields Name and Address from the Vendor and Customer tables. How can a developer eliminate the synthetic keys and appropriately link the data?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. qualify all tables
- B. alias all primary key fields
- C. left join the Customer data onto the Sales table
- D. qualify all tables and then unqualify all key fields — đáp án hiện tại
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