/*----------------------------學習篇--全文索引---------------------------*/
use northwind
go/****** object: table [dbo].[employees] script date: 04/29/2015 17:42:43 ******/
set ansi_nulls on
goset quoted_identifier on
gocreate table [dbo].[employees](
[employeeid] [int] identity(1,1) not for replication not null,
[lastname] [nvarchar](20) not null,
[firstname] [nvarchar](10) not null,
[title] [nvarchar](30) null,
[titleofcourtesy] [nvarchar](25) null,
[birthdate] [datetime] null,
[hiredate] [datetime] null,
[address] [nvarchar](60) null,
[city] [nvarchar](15) null,
[region] [nvarchar](15) null,
[postalcode] [nvarchar](10) null,
[country] [nvarchar](15) null,
[homephone] [nvarchar](24) null,
[extension] [nvarchar](4) null,
[photo] [image] null,
[notes] [ntext] null,
[reportsto] [int] null,
[photopath] [nvarchar](255) null,
constraint [pk_employees] primary key clustered
( [employeeid] asc
)with (pad_index = off, statistics_norecompute = off, ignore_dup_key = off, allow_row_locks = on, allow_page_locks = on) on [primary]
) on [primary] textimage_on [primary]
goalter table [dbo].[employees] with nocheck add constraint [fk_employees_employees] foreign key([reportsto])
references [dbo].[employees] ([employeeid])
goalter table [dbo].[employees] check constraint [fk_employees_employees]
goalter table [dbo].[employees] with nocheck add constraint [ck_birthdate] check (([birthdate] < getdate()))
goalter table [dbo].[employees] check constraint [ck_birthdate]
go--開啟northwind的全文檢索功能
exec sp_fulltext_database 'enable'
--為northwind建立乙個全文索引'cat_desc'
exec sp_fulltext_catalog 'cat_desc','create'
--在employees表上，在pk_employees索引是提供的引用全文索引的唯一列
exec sp_fulltext_table
'employees', --表名
'create', --動作
'cat_desc', --全文索引名
'pk_employees' --sqlserver的索引名，一般為主鍵索引
--在employee表上建立的全文索引新增到列'notes'
exec sp_fulltext_column
'employees', --表名
'notes', --列名
'add' --動作為新增,即將notes列加入到全文索引中
--執行下列語句後發現沒有返回記錄，原因：記錄匹配的行我們還沒有組裝全文索引
select employeeid,lastname,firstname from employees
where contains(*,'university')
--使用完全組裝:
exec sp_fulltext_table 'employees','start_full'
--完全組裝全文索引後再次執行上述語句,發現有6條記錄
select employeeid,lastname,firstname from employees
where contains(*,'university')
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