从Sql server 2000 到 Oracle 10g数据库迁移数据类型转化

SqlServer 2k转换为Oracle 10g
列名 SqlServer数据类型 SqlServer长度 Oracle数据类型
column1 bigint 8 NUMBER(19)
column2 binary 50 RAW(50)
column3 bit 1 NUMBER(2)
column4 char 10 CHAR(10)
column5 datetime 8 DATE
column6 decimal 9 NUMBER(18)
column7 float 8 BINARY_DOUBLE
column8 image 16 BLOB
column9 int 4 NUMBER(10)
column10 money 8 NUMBER(19,4)
column11 nchar 10 NCHAR(10)
column12 ntext 16 NCLOB
column13 numeric 9 NUMBER(18)
column14 nvarchar 50 NVARCHAR2(50)
column15 real 4 BINARY_FLOAT
column16 smalldatetime 4 DATE
column17 smallint 2 NUMBER(5)
column18 smallmoney 4 NUMBER(10,4)
column19 sql_variant   BLOB
column20 text 16 CLOB
column21 timestamp 8 RAW(8)
column22 tinyint 1 NUMBER(3)
column23 uniqueidentifier 16 BLOB
column24 varbinary 50 RAW(50)
column25 varchar 50 VARCHAR2(50)

Oracle 10g 转换为SqlServer 2k
Oracle列名 Oracle数据类型 SqlServer列名 SqlServer数据类型 SqlServer数据长度
COLUMN1 BINARY_DOUBLE COLUMN1 float 8
COLUMN2 BINARY_FLOAT COLUMN2 real 4
COLUMN3 BLOB COLUMN3 image 16
COLUMN4 CLOB COLUMN4 ntext 16
COLUMN5 CHAR(10) COLUMN5 nchar 10
COLUMN6 DATE COLUMN6 datetime 8
COLUMN12 NUMBER COLUMN12 numeric 13
COLUMN13 NVARCHAR2(10) COLUMN13 nvarchar 10
COLUMN14 RAW(10) COLUMN14 varbinary 10
COLUMN15 TIMESTAMP(6) COLUMN15 datetime 8
COLUMN16 TIMESTAMP(6) WITH LOCAL TIME ZONE COLUMN16 datetime 8
COLUMN17 TIMESTAMP(6) WITH TIME ZONE COLUMN17 datetime 8
COLUMN18 VARCHAR2(10) COLUMN18 nvarchar 10
COLUMN7 INTERVAL DAY(2) TO SECOND(6) COLUMN7 nvarchar 30
COLUMN8 INTERVAL YEAR(2) TO MONTH COLUMN8 nvarchar 14
COLUMN9 LONG COLUMN9 ntext 16
COLUMN10 LONG RAW COLUMN10 image 16
COLUMN11 NCLOB COLUMN11 ntext