Câu 7: 70-767: Implementing a SQL Data Warehouse

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question. You are a database administrator for an e-commerce company that runs an online store. The company has the databases described in the following table. Each day, you publish a Microsoft Excel workbook that contains a list of product names and current prices to an external website. Suppliers update pricing information in the workbook. Each supplier saves the workbook with a unique name. Each night, the Products table is deleted and refreshed from MDS by using a Microsoft SQL Server Integration Services (SSIS) package. All files must be loaded in sequence. You need to add a data flow in an SSIS package to perform the Excel files import in the data warehouse. What should you use?

1. A. Lookup transformation — đáp án hiện tại
2. B. Merge transformation
3. C. Merge Join transformation
4. D. MERGE statement
5. E. Union All transformation
6. F. Balanced Data Distributor transformation
7. G. Sequential container
8. H. Foreach Loop container