What is a File Extension? Explain the structure of CSV file.
0File Extension
A file extension is a suffix added to the end of a file name that indicates the file type or format. It helps the operating system determine which program or application to use to open the file.
CSV File Extension
CSV (Comma Separated Values) is a file extension used for plain text files that contain tabular data, separated by commas.
Structure of a CSV File
A CSV file consists of:
1. *Rows*: Each row represents a single record or entry.
2. *Columns*: Each column represents a field or attribute of the data.
3. *Comma Separation*: Values in each row are separated by commas (,).
4. *Optional Quotes*: Values may be enclosed in quotes (") to handle special characters or commas within the data.
Example CSV File
Name,Age,Country
John,25,USA
Jane,30,UK
Bob,35,Canada
In this example:
The first row contains the column headers (Name, Age, Country).
Each subsequent row represents a single record or entry.
Values are separated by commas.
CSV files are widely used for data exchange and import/export between different applications, due to their simplicity and flexibility.
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