⟩ Can you define data warehouse?
Data warehouse is a subject oriented, integrated, time-variant, and nonvolatile collection of data that supports management's decision-making process.
Data warehouse is a subject oriented, integrated, time-variant, and nonvolatile collection of data that supports management's decision-making process.
What is the difference between aggregate table and materialized view?
"A dimension table is wide but the fact table is deep," Explain the statement in your own words.
What is a data profile?
What is Virtual Data Warehousing?
What is "method/1"?
What is the difference between mapping parameter & mapping variable in data warehousing?
What is the difference between dependent data warehouse and independent data warehouse?
What is the difference between metadata and data dictionary?
What is the main difference between star and snowflake star schema? Which one is better and why?
How can you implement many relations in star schema model?