A data architect needs to load data from two different databases Additional data will be added from a folder that contains QVDs. text files, and Excel files.What is the minimum number of data connections required?
Answer(s): D
A data architect completes development of a new app with two data sources Both data sources will also be used by other apps in the future The sources have different data refresh frequencies · Source 1 Contains frequently updated data and must be refreshed hourly · Source 2 Contains data that is transferred from a partner and must be refreshed weekly Tasks must be created to load the data sources and make sure that the new app uses the most current data The data will be stored in two QVDs Which tasks should be created to meet these requirements'?
Answer(s): C
This option ensures that the data in the two data sources is always up-to-date by scheduling the data refresh tasks to run at the appropriate frequencies. Task 1 runs hourly to refresh data from Source 1, and Task 2 is dependent on Task 1 so that it runs only after Task 1 is completed. This ensures that the data from Source 2 is loaded only after the most current data from Source 1 is loaded.
Refer to the exhibits.A music teacher needs to know which artists are eligible to enter this year's competition. The teacher needs to find only the artists who have a music grade rank above two and play more than one instrument.Which expression is needed for the Number of Instruments measure in the table?
Answer(s): A
The correct expression to use for the Number of Instruments measure in the table is Option A. This expression will count the number of instruments played by artists with a music grade rank greater than two.https://www.mckinsey.com/capabilities/mckinsey-digital/our-insights/how-to-build-a-data- architecture-to-drive-innovation-today-and-tomorrowHow to build a data architecture to drive innovation--today and ... https://www.mckinsey.com/capabilities/mckinsey-digital/our-insights/how-to-build-a-data- architecture-to-drive-innovation-today-and-tomorrowhttps://journalofbigdata.springeropen.com/articles/10.1186/s40537-019-0217-0 Big data in healthcare: management, analysis and future prospects ... https://journalofbigdata.springeropen.com/articles/10.1186/s40537-019-0217-0 https://www.ncbi.nlm.nih.gov/books/NBK551878/Obtaining Data From Electronic Health Records - Tools and ...https://www.ncbi.nlm.nih.gov/books/NBK551878/
Refer to the exhibit.A business department is forecasting revenue within an Excel spreadsheet. A data architect needs to include this forecast into the existing data model, and without losing any data.Which two sets of steps will meet these requirements? (Select two.)
Answer(s): B,D
Option B involves loading the Excel spreadsheet using the data load editor and then using the Crosstable function to unpivot the table, creating a composite key out of the date and region, and connecting the new table to the existing data model. Option D involves loading the Excel spreadsheet using the data manager, using the Unpivot function, creating a composite key from the date and region, and connecting the new table to the existing data model.
Refer to the exhibit.What are the values of the variables vLoadStart and vLoadComplete after the script executes?
vLoadStart variable is assigned the current system date and time when the script starts, and vLoadComplete variable is assigned the current system date and time when the script ends.
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