开发ERP时,会使用到下面两个获取最大值或最小值日期的函数。
最大日期值:
CREATE
FUNCTION
[
dbo
]
.
[
MaximumDateValue
]
(
)
RETURNS DATETIME
AS
BEGIN
RETURN CONVERT ( DATETIME , ' 9999-12-31 23:59:59.998 ' , 121 )
END
(
)
RETURNS DATETIME
AS
BEGIN
RETURN CONVERT ( DATETIME , ' 9999-12-31 23:59:59.998 ' , 121 )
END
最小日期值:
CREATE
FUNCTION
[
dbo
]
.
[
MinimumDateValue
]
(
)
RETURNS DATETIME
AS
BEGIN
RETURN CONVERT ( DATETIME , ' 1753-01-01 ' , 121 )
END
(
)
RETURNS DATETIME
AS
BEGIN
RETURN CONVERT ( DATETIME , ' 1753-01-01 ' , 121 )
END