SQL中启用全文检索
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SQL中启用全文检索
如何在SQL中启用全文检索功能？本文将通过实例向你剖折这个问题。这是一个全文索引的一个例子，首先在查询分析器中使用：
use pubs
go
--打开数据库全文索引的支持
execute sp_fulltext_database enable
go
--建立全文目录ft_titles
execute sp_fulltext_catalog ft_titles, create
go
--为titles表建立全文索引数据元，UPKCL_titleidind是主键所建立的唯一索引，可由sp_help titles得知
execute sp_fulltext_table titles,create, ft_titles, UPKCL_titleidind
go
--设置全文索引列名
exec sp_fulltext_column titles, title, add
go
exec sp_fulltext_column titles, notes, add
go
--建立全文索引
exec sp_fulltext_table titles, activate
go
--填充全文索引目录
exec sp_fulltext_catalog ft_titles, start_full
go
--使用contains和freetext
select title, notes from titles
where contains(title, "computer Cooking")
go
select title, notes from titles
where freetext(title, computer Cooking)
go
select title, notes from titles
where freetext(title, "computer Cooking")
go
select title, notes from titles
where contains(title, computer)
go
select title, notes from titles
where freetext (*, computer)
go
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