Differences between CHAR and NCHAR in Oracle


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.


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2020-04-25, 1792🔥, 0💬