These components can be installed from the Microsoft® SQL Server™ program files category in SQL Server Setup.
SQL Server
Installs the SQL Server relational database engine and other core tools. If any SQL Server program files are installed, the SQL Server component must be installed.
NoteWhen installing the SQL Server component, the Setup program also installs bcp, isql, osql, ODBC, OLE DB, and DB-Library.
Upgrade Tools
Installs the SQL Server Upgrade Wizard, which is used to upgrade SQL Server version 6.x databases to SQL Server 7.0. The SQL Server Upgrade Wizard can be installed only on a computer running Microsoft Windows NT®.
Replication Support
Installs the scripts and binary files used for replication.
Full-Text Search
Installs the Microsoft full-text search engine, which extends the ability to search on character columns beyond the basic equality and LIKE operators. Full-text search is not available in the Desktop Edition.