Data Type Conversion

A Data Type Conversion

The gateway converts Sybase data types to Oracle data types as follows:

Table A-1 Data Type Mapping and Restrictions

Sybase	Oracle	Comment	If Oracle uses large varchar (32k)
`BIGINT`	`NUMBER(19)`
`BINARY`	`RAW`	-
`BIT`	`NUMBER(3)`	-
`CHAR`	`CHAR`	-
`DATE`	`DATE`
`DATETIME`	`DATE`	-
`DECIMAL`	`NUMBER(p[,s])`	-
`FLOAT`	`FLOAT(53)`	-
`IMAGE`	`LONG RAW`	-
`INT`	`NUMBER(10)`	`NUMBER` range is `-2,147,483,647` to `2,147,483,647`
`MONEY`	`NUMBER(p[,s])`	-
`NUMERIC`	`NUMBER(p[,s])`	-
`REAL`	`FLOAT(24)`	-
`SMALLDATETIME`	`DATE`	-
`SMALLINT`	`NUMBER(5)`	`NUMBER` range is `-32,767` to `32,767`
`SMALLMONEY`	`NUMBER(p[,s])`	-
`SYSNAME`	`VARCHAR2`
`TEXT`	`LONG`	-
`TIME`	`CHAR(15)`
`TIMESTAMP`	`RAW`
`TINYINT`	`NUMBER(3)`	-
`UNICHAR`	`NCHAR`	-
`UNSIGNED` `BIGINT`	`NUMBER(20)`
`UNSIGNED` `INT`	`NUMBER(10)`
`UNSIGNED` `SMALLINT`	`NUMBER(5)`
`UNITEXT`	`LONG`	if Oracle DB Character Set = Unicode. Otherwise, it is not supported
`UNIVARCHAR`	`NVARCHAR`	-
`VARBINARY`	`RAW`	-
`VARCHAR`	`VARCHAR2`	`N` < = `4000`	`N` <= `32767`