Microsoft Design and Implement Big Data Analytics Solutions (70-475日本語版) - 70-475日本語 Exam Questions
QUESTION NO: 1
Correct Answer: B,E
QUESTION NO: 2
Correct Answer: D,E
QUESTION NO: 3
Correct Answer: B
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QUESTION NO: 4
Correct Answer: B
QUESTION NO: 5
Correct Answer:
Explanation
From Scenario: Relecloud plans to implement a data warehouse named DB2.
Box 1: Temporal table
From Scenario:
Relecloud identifies the following requirements for DB2:
Users must be able to view previous versions of the data in DB2 by using aggregates.
DB2 must be able to store more than 40 TB of data.
A system-versioned temporal table is a new type of user table in SQL Server 2017, designed to keep a full history of data changes and allow easy point in time analysis. A temporal table also contains a reference to another table with a mirrored schema. The system uses this table to automatically store the previous version of the row each time a row in the temporal table gets updated or deleted. This additional table is referred to as the history table, while the main table that stores current (actual) row versions is referred to as the current table or simply as the temporal table.
QUESTION NO: 6
Correct Answer:
Explanation
QUESTION NO: 7
Correct Answer: A
QUESTION NO: 8
Correct Answer: B
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