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--更新text字段的值
create table PE_Soft(SoftIntro text,ChannelID integer)
insert into PE_Soft
select 'aaa ',1004
union all
select 'bbb ',1003
union all
select 'ccc ',1002
declare @ptr binary(16)
select @ptr=textptr(SoftIntro) from PE_Soft where ChannelID=1002
updatetext PE_Soft.SoftIntro @ptr null 0 'testing '
select * from PE_Soft
drop table PE_Soft
/*
SoftIntro ChannelID
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- -----------
aaa 1004
bbb 1003
ccc testing 1002
(所影响的行数为 3 行)
*/