CHAR datatype in oracle

CHAR datatype

Char contain alphanumeric data.

• Length of Char datatype is between 1 and 255 characters.
• If you don't specify a length, a char column stores a single character by default.
• Char datatypes stores data in the Fixed-Length Format.
• Be aware, when using this data type, that spaces are padded to the right of the value to supplement the total allocated length of the column.
• It can be declared as char(size) where size is the total length allowed for a value in a column defined as char.

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