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Berkeley DB .NET API Documentation
SecondaryHashDatabase..::.Open Method (String, SecondaryHashDatabaseConfig)
SecondaryHashDatabase Class See Also Send Feedback

Instantiate a new SecondaryHashDatabase object, open the database represented by Filename and associate the database with the primary index.

Namespace: BerkeleyDB
Assembly: libdb_dotnet53 (in libdb_dotnet53.dll) Version: 5.3.28.0

# Syntax

C#

    public static SecondaryHashDatabase Open(
    	string Filename,
    	SecondaryHashDatabaseConfig cfg
    )

Visual Basic (Declaration)

    Public Shared Function Open ( _
    	Filename As String, _
    	cfg As SecondaryHashDatabaseConfig _
    ) As SecondaryHashDatabase

Visual C++

    public:
    static SecondaryHashDatabase^ Open(
    	String^ Filename,
    	SecondaryHashDatabaseConfig^ cfg
    )

#### Parameters

Filename
  Type: System..::.String
  The name of an underlying file that will be used to back the database. In-memory databases never intended to be preserved on disk may be created by setting this parameter to null.

cfg
  Type: BerkeleyDB..::.SecondaryHashDatabaseConfig
  The database's configuration

#### Return Value

A new, open database object

# Remarks

If Filename is null, the database is strictly temporary and cannot be opened by any other thread of control, thus the database can only be accessed by sharing the single database object that created it, in circumstances where doing so is safe.

If AutoCommit is set, the operation will be implicitly transaction protected. Note that transactionally protected operations on a datbase object requires the object itself be transactionally protected during its open.

# See Also

SecondaryHashDatabase Class
Open Overload
BerkeleyDB Namespace