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SQL Server 与 Oracle数据类型映射

2015-08-18 08:52 337 查看
Microsoft SQL Server
Oracle
Comment
BIGINT
NUMBER(19)
BINARY
RAW
-
BIT
NUMBER(3)
-
CHAR
CHAR
-
DATETIME
DATE
Fractional parts of a second are truncated
DECIMAL
NUMBER(p[,s])
-
FLOAT
FLOAT(49)
-
IMAGE
LONG RAW
-
INTEGER
NUMBER(10)
NUMBER range is -2,147,483,647 to 2,147,483,647
MONEY
NUMBER(19,4)
-
NCHAR
NCHAR
-
NTEXT
LONG
-
NVARCHAR
NCHAR
-
NUMERIC
NUMBER(p[,s])
-
REAL
FLOAT(23)
-
SMALL DATETIME
DATE
The value for seconds is returned as 0
SMALL MONEY
NUMBER(10,4)
-
SMALLINT
NUMBER(5)
NUMBER range is -32,767 to 32,767
TEXT
LONG
-
TIMESTAMP
RAW
-
TINYINT
NUMBER(3)
-
UNIQUEIDENTIFIER
CHAR(36)
VARBINARY
RAW
-
VARCHAR
VARCHAR2
-
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