NAME
DROP CONVERSION - 删除一个用户定义的编码转换
SYNOPSIS
DROP CONVERSION name [ CASCADE | RESTRICT ]
DESCRIPTION 描述
DROP CONVERSION 删除一个以前定义的编码转换。 要想删除一个转换，你必须拥有该转换。
PARAMETERS 参数
- name
编码转换的名字。这个名字可以用模式修饰。- CASCADE
- RESTRICT
这些键字没有作用，因为编码转换上没有依赖关系。
EXAMPLES 例子
删除一个叫做 myname 的编码转换：
DROP CONVERSION myname;
COMPATIBILITY 兼容性
SQL 标准里没有 DROP CONVERSION。
SEE ALSO 参见
ALTER CONVERSION [alter_conversion(7)], CREATE CONVERSION [create_conversion(l)]
#p#
NAME
DROP CONVERSION - remove a conversion
SYNOPSIS
DROP CONVERSION name [ CASCADE | RESTRICT ]
DESCRIPTION
DROP CONVERSION removes a previously defined conversion. To be able to drop a conversion, you must own the conversion.
PARAMETERS
- name
- The name of the conversion. The conversion name may be schema-qualified.
- CASCADE
- RESTRICT
- These key words do not have any effect, since there are no dependencies on conversions.
EXAMPLES
To drop the conversion named myname:
DROP CONVERSION myname;
COMPATIBILITY
There is no DROP CONVERSION statement in the SQL standard.
SEE ALSO
ALTER CONVERSION [alter_conversion(7)], CREATE CONVERSION [create_conversion(l)]
