Fact less table means only the key available in the Fact there is no measures available.
Fact less fact table means it does not contain any facts(measures).It is used when we are integrating fact tables.
What is a source qualifier?
What is the data type of the surrogate key?
What are Data Marts?
What are the differences between star and snowflake schema?
What are the difference between Snow flake and Star Schema? What are situations where Snow flake Schema is better than Star Schema to use and when the opposite is true?
What is Dimensional Modelling?
Which parameter specified in the DEFAULT STORAGE clause of CREATE TABLESPACE cannot be altered after creating the table space?
What is On-line Redo Log?
What are the steps involved in Database Startup?
What is a cube in data warehousing concept?
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