Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
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Question 687
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__ is an intermediate storage area used for data processing during the extract transformation and load process of data warehousing
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Inter storage area
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Buffer
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Staging area
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Virtual memory
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Question 687 Explanation:
→ A staging area, or landing zone, is an intermediate storage area used for data processing during the extract, transform and load (ETL) process. The data staging area sits between the data source(s) and the data target(s), which are often data warehouses, data marts, or other data repositories.
→ Data staging areas are often transient in nature, with their contents being erased prior to running an ETL process or immediately following successful completion of an ETL process.
→ There are staging area architectures, however, which are designed to hold data for extended periods of time for archival or troubleshooting purposes.
→ Data staging areas are often transient in nature, with their contents being erased prior to running an ETL process or immediately following successful completion of an ETL process.
→ There are staging area architectures, however, which are designed to hold data for extended periods of time for archival or troubleshooting purposes.
Correct Answer: C
Question 687 Explanation:
→ A staging area, or landing zone, is an intermediate storage area used for data processing during the extract, transform and load (ETL) process. The data staging area sits between the data source(s) and the data target(s), which are often data warehouses, data marts, or other data repositories.
→ Data staging areas are often transient in nature, with their contents being erased prior to running an ETL process or immediately following successful completion of an ETL process.
→ There are staging area architectures, however, which are designed to hold data for extended periods of time for archival or troubleshooting purposes.
→ Data staging areas are often transient in nature, with their contents being erased prior to running an ETL process or immediately following successful completion of an ETL process.
→ There are staging area architectures, however, which are designed to hold data for extended periods of time for archival or troubleshooting purposes.