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Tham khảo tài liệu 'mastering sql server 2000- p6', công nghệ thông tin, cơ sở dữ liệu phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 220 CHAPTER 6 SELECT QUERIES 10. On the Start Copying Files screen click Next to complete the installation. 11. After setup has completed copying files click Finish. After the short task of installation has been completed you are ready to configure Full-Text Search for use. The first thing you need to do is create a full-text index. Fulltext indexes are created with SQL Server tools such as Enterprise Manager but they are maintained by the Microsoft Search Service and stored on the disk as files separate from the database. To keep the full-text indexes organized they are stored in catalogs in the database. You can create as many catalogs in your databases as you like to organize your indexes but these catalogs cannot span databases. When a full-text index is first created it is completely useless. Because these indexes are maintained by the Microsoft Search Service you must specifically instruct the Search Service to fill the index with information about the text fields that you want to search. This filling of the full-text indexes is called populating the index. As your data changes over time you will need to tell the Search Service to rebuild your full-text indexes to match your data this process is called repopulating. In the following steps you will create a catalog and index for the Employees table in the Northwind database. Employees was chosen because it has a text column in it actually it s ntext which is Unicode as opposed to standard ANSI text . Here s how to create the index and catalog 1. While still in Enterprise Manager click the Northwind icon and from the Tools menu select Full-Text Indexing. 2. On the first screen of the Full-Text Indexing Wizard click Next. FULL-TEXT SEARCHING 221 PART II 3. On the second screen you must select a table to index. Here pick dbo . Employees because it has a text column and click Next. Transact-SQL 4. Each table on which you create a full-text index must already have a unique index associated with it for Full-Text to
