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AttachDB Method

This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.

The AttachDB method makes a database visible to an instance of Microsoft SQL Server.

object.AttachDB(DBName,DataFiles)as String

object

Expression that evaluates to an object in the Applies To list.

DBName

String that specifies an existing database by name.

DataFiles

SQL-DMO multistring that specifies operating system files by name.

String indicating success or failure.

HRESULT AttachDB(SQLDMO_LPCSTR DBName,
SQLDMO_LPCSTR DataFiles,
SQLDMO_LPBSTR pResult);

The AttachDB method is used when a change to the location of operating system (OS) files implementing the database must be made visible to an instance of SQL Server.

The DataFiles argument can specify up to 16 OS files. Each file should be specified by complete name, including the path. At least one file in the list of those specified must be the PRIMARY data file. Operating system files implementing storage for the transaction log can be specified.

For more information about setting multistring parameters, see Using SQL-DMO Multistrings.

The AttachDB method fails if more than 16 OS files are specified. When using SQL Distributed Management Objects (SQL-DMO) to move a database implemented on more than 16 files, use the CreateForAttach property of a Database object.

Making a database visible to an instance of SQL Server by using the AttachDB method requires appropriate permissions. The SQL Server login used for SQLServer object connection must be a member of the system-defined role sysadmin.

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