What Are the Differences between CHAR and NCHAR in Oracle?

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Both CHAR and NCHAR are fixed length character data types. But they have the following differences:

* CHAR's size is specified in bytes by default.
* NCHAR's size is specified in characters by default. A character could be 1 byte to 4 bytes long depending on the character set used.
* NCHAR stores characters in Unicode.

Submitted by: Administrator

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