Question
Who is credited with the discovery of
X-rays?Solution
Wilhelm Conrad Rƶntgen discovered X-rays in 1895 while experimenting with cathode rays. The discovery revolutionized medical imaging.
More General science Common Questions
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?
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