Den 2011-04-01 10:38 skrev Dmitry Yemanov såhär:
> Your copy is outdated :-) My version of 2010-10-14 says:
>
> <alter table statement>  ::=
> ALTER TABLE<table name>  <alter table action>
>
> <alter table action>  ::=
> <add column definition>
> |<alter column definition>
> |<drop column definition>
> |<add table constraint definition>
> |<alter table constraint definition>
> |<drop table constraint definition>
> |<add system versioning clause>
> |<alter system versioning clause>
> |<drop system versioning clause>
>
> <alter column definition>  ::=
> ALTER [ COLUMN ]<column name>  <alter column action>
>
> <alter column action>  ::=
> <set column default clause>
> |<drop column default clause>
> |<set column not null clause>
> |<drop column not null clause>
> |<add column scope clause>
> |<drop column scope clause>
> |<alter column data type clause>
> |<alter identity column specification>
> |<drop identity property clause>
> |<drop column generation expression clause>
>
> <alter column data type clause>  ::=
> SET DATA TYPE<data type>

Where can I find this doc?

Does it say anything about restrictions for the new <data type> 
depending on old one, actual data content, etc?

Kjell
-- 
--------------------------------------
Kjell Rilbe
DataDIA AB
E-post: [email protected]
Telefon: 08-761 06 55
Mobil: 0733-44 24 64


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