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Write one similarity and one difference between CHAR and VARCHAR data types.

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Similarity :

(i) Both are used for storing non-numeric data.

(ii) Both can store 1 to 255 characters.

(iii) Values must be enclosed in single quotes or double quotes.

Difference :

CHAR  VARCHAR
Used for fixed-length string Used for variable length string
Padded to the specified length when stored No padding takes place

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