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RDB$CHARACTER_SETS

RDB$CHARACTER_SETS names and describes the character sets available in the database.

Column Name Data Type Description
RDB$CHARACTER_SET_NAME CHAR(31) Character set name
RDB$FORM_OF_USE CHAR(31) Not used
RDB$NUMBER_OF_CHARACTERS INTEGER The number of characters in the set. Not used for existing character sets
RDB$DEFAULT_COLLATE_NAME CHAR(31) The name of the default collation sequence for the character set
RDB$CHARACTER_SET_ID SMALLINT Unique character set identifier
RDB$SYSTEM_FLAG SMALLINT System flag: value is 1 if the character set is defined in the system when the database is created; value is 0 for a user-defined character set
RDB$DESCRIPTION BLOB TEXT Could store text description of the character set
RDB$FUNCTION_NAME CHAR(31) For a user-defined character set that is accessed via an external function, the name of the external function
RDB$BYTES_PER_CHARACTER SMALLINT The maximum number of bytes representing one character

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Firebird Documentation IndexFirebird 2.5 Language ReferenceSystem Tables → RDB$CHARACTER_SETS