Question

what is char or varchar data type

Answer 1

The char is a fixed-lengthcharacter data type, thevarchar is a variable-length character data type. Because char is a fixed-length data type, the storage size of the charvalue is equal to the maximum size for thiscolumn.

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Answer 2

char is character dayatype . only one character is stored in this kind of type .

e.g. char a = ' A '

note : its value is always stored inside single quotes .

simple and easy !