Data Connections Flashcards
6 cards from real TCC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Data Connections flashcards as text
What is the purpose of using a data extract in Tableau?
Answer: To store a static snapshot of data for faster performance
Data extracts improve performance by storing a snapshot of data in Tableau’s fast data engine, allowing offline analysis.
Which of the following is TRUE about a live connection in Tableau?
Answer: They provide real-time data access by querying the source directly
Live connections reflect the most recent data from the source and are suitable for real-time or frequently updated datasets.
Which file type is created when data is extracted in Tableau?
Answer: .hyper
The .hyper file format is Tableau’s optimized extract file used to store extracted data.
When connecting to multiple tables in Tableau, which option allows you to create relationships between them without merging data?
Answer: Relationships
Relationships in Tableau are a flexible way to define logical connections between tables while maintaining separate data sources.
What is a primary advantage of using data blending in Tableau?
Answer: It supports combining unrelated data from multiple sources
Data blending allows combining data from different sources that don't have a direct join capability, enabling broader analysis.
What is the role of Tableau’s Data Interpreter?
Answer: It cleans Excel files by recognizing structure and formatting
The Data Interpreter helps clean messy Excel spreadsheets by identifying headers, footers, and irregular formatting.