Which modes necessitate an update to the SQL?

Which modes necessitate an update to the SQL?

• A. Standalone and Batch
• B. Once and Now
• C. Delta and Once
• D. Realtime and Scheduled

Answer: (C)

The correct choice indicates that both Delta and Once modes require an update to the SQL. Understanding these modes is crucial in determining how data is processed and managed. Delta mode refers to scenarios where only the changes since the last successful data transfer or operation need to be processed. This involves updating the SQL to account for the new records that have been added or modified during that period. In order to effectively capture these changes, the SQL queries must be revised to ensure they accurately target and retrieve only the delta records. Once mode, on the other hand, entails a scenario where an entire dataset is ingested or processed just one time. This mode typically necessitates a clear and specific SQL statement to pull the data as it exists at that moment in time. Since the dataset is expected to be static for that operation, any adjustments in the SQL would reflect the requirement to access the complete dataset accurately. Both of these modes underline the need for specific SQL adjustments to ensure that the data handling aligns with the intended processing logic. The other options do not encompass the same necessity for SQL updates when deploying the data integration or migration workflows, making them less fitting choices in this context.

The correct choice indicates that both Delta and Once modes require an update to the SQL. Understanding these modes is crucial in determining how data is processed and managed.

Delta mode refers to scenarios where only the changes since the last successful data transfer or operation need to be processed. This involves updating the SQL to account for the new records that have been added or modified during that period. In order to effectively capture these changes, the SQL queries must be revised to ensure they accurately target and retrieve only the delta records.

Once mode, on the other hand, entails a scenario where an entire dataset is ingested or processed just one time. This mode typically necessitates a clear and specific SQL statement to pull the data as it exists at that moment in time. Since the dataset is expected to be static for that operation, any adjustments in the SQL would reflect the requirement to access the complete dataset accurately.

Both of these modes underline the need for specific SQL adjustments to ensure that the data handling aligns with the intended processing logic. The other options do not encompass the same necessity for SQL updates when deploying the data integration or migration workflows, making them less fitting choices in this context.