Câu 65: DP-203: Data Engineering on Microsoft Azure
You are designing a star schema for a dataset that contains records of online orders. Each record includes an order date, an order due date, and an order ship date. You need to ensure that the design provides the fastest query times of the records when querying for arbitrary date ranges and aggregating by fiscal calen…
Nội dung câu hỏi
You are designing a star schema for a dataset that contains records of online orders. Each record includes an order date, an order due date, and an order ship date. You need to ensure that the design provides the fastest query times of the records when querying for arbitrary date ranges and aggregating by fiscal calendar attributes. Which two actions should you perform? Each correct answer presents part of the solution.NOTE: Each correct selection is worth one point.
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. Create a date dimension table that has a DateTime key.
- B. Use built-in SQL functions to extract date attributes.
- C. Create a date dimension table that has an integer key in the format of YYYYMMDD. — đáp án hiện tại
- D. In the fact table, use integer columns for the date fields. — đáp án hiện tại
- E. Use DateTime columns for the date fields.
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