Question
What is the age of the stromatolites found at Salkhan
Fossil Park?Solution
The fossils in Salkhan Fossil Park are 1.4 billion years old and are formed by ancient cyanobacteria, offering insight into early life on Earth. These are considered older and clearer than those found in Shark Bay, Australia.
Which SQL clause is used to filter records after aggregation?
A data cube allows analysis by:
In OLAP, āSlice and Diceā means:
Which type of OLAP allows operations on pre-aggregated data cubes?
Which of the following best describes the primary function of a database index?
Which clause is used to sort the results in SQL?
Which type of schema normalizes dimension tables to reduce redundancy?
Metadata in data warehousing refers to:
A snowflake schema is different from a star schema because:
Which of the following is a real-time data warehouse application?
