看贴子遇到的问题

次贴http://expert.csdn.net/Expert/topic/1636/1636419.xml?temp=.8034326回答
create table # (a text)

insert # values('asdfasdfiewrhjtoigk;jhdsaloihvbdiouvdsigdfgttyjudgufyufyudrtyesryreyluhglseiuhtldskhglksdhguidsfvbludshgkdhf')

DECLARE @ptrval varbinary(16),@len int
SELECT @ptrval = TEXTPTR(a),@len=datalength(a)-1 FROM #
READTEXT #.a @ptrval 1 @len
drop table #
其中TEXTPTR(a) ,语法:TEXTPTR ( column )
大力gg的 "a" 代表的是什么?
以后很多问题就在这儿问了,这个贴子我要多过几天才能结
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create table 表 (列 text)

insert 表 values('asdfasdfiewrhjtoigk;jhdsaloihvbdiouvdsigdfgttyjudgufyufyudrtyesryreyluhglseiuhtldskhglksdhguidsfvbludshgkdhf')

DECLARE @ptrval varbinary(16),@len int
SELECT @ptrval = TEXTPTR(列),@len=datalength(列)-1 FROM 表
READTEXT 表.列 @ptrval 1 @len
drop table 表
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:O
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大力的例子很生动哦!
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^_^
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有什么可想歪的,不明白...
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呵呵

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