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Berkeley DB .NET API Documentation
SecondaryBTreeDatabaseConfig Members
SecondaryBTreeDatabaseConfig Class Constructors Methods Fields Properties See Also Send Feedback

The SecondaryBTreeDatabaseConfig type exposes the following members.

# Constructors

| Name | Description
--- | --- | ---
| SecondaryBTreeDatabaseConfig | Create a new SecondaryBTreeDatabaseConfig object

# Methods

| Name | Description
--- | --- | ---
| Equals | Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
| GetHashCode | Serves as a hash function for a particular type. GetHashCode()()() is suitable for use in hashing algorithms and data structures like a hash table. (Inherited from Object.)
| GetType | Gets the Type of the current instance. (Inherited from Object.)
| SetEncryption | Set the password and algorithm used by the Berkeley DB library to perform encryption and decryption. (Inherited from DatabaseConfig.)
| SetForeignKeyConstraint | Overloaded.
| ToString | Returns a String that represents the current Object. (Inherited from Object.)

# Fields

| Name | Description
--- | --- | ---
| AutoCommit | Enclose the open call within a transaction. If the call succeeds, the open operation will be recoverable and all subsequent database modification operations based on this handle will be transactionally protected. If the call fails, no database will have been created. (Inherited from DatabaseConfig.)
| ByteOrder | The byte order for integers in the stored database metadata. The host byte order of the machine where the Berkeley DB library was compiled is the default value. (Inherited from DatabaseConfig.)
| CacheSize | The size of the shared memory buffer pool (the cache). (Inherited from DatabaseConfig.)
| Compare | The Btree key comparison function.
| Creation | The policy for how to handle database creation.
| DoChecksum | If true, do checksum verification of pages read into the cache from the backing filestore. (Inherited from DatabaseConfig.)
| DuplicateCompare | The duplicate data item comparison function.
| Duplicates | Policy for duplicate data items in the database; that is, insertion when the key of the key/data pair being inserted already exists in the database will be successful.
| Env | The Berkeley DB environment within which to create a database. If null, the database will be created stand-alone; that is, it is not part of any Berkeley DB environment. (Inherited from DatabaseConfig.)
| ErrorFeedback | The mechanism for reporting error messages to the application. (Inherited from DatabaseConfig.)
| ErrorPrefix | The prefix string that appears before error messages issued by Berkeley DB. (Inherited from DatabaseConfig.)
| Feedback | (Inherited from DatabaseConfig.)
| FreeThreaded | Causes the database object to be free-threaded; that is, concurrently usable by multiple threads in the address space. (Inherited from DatabaseConfig.)
| ImmutableKey | If true, the secondary key is immutable. (Inherited from SecondaryDatabaseConfig.)
| NoMMap | Do not map this database into process memory. (Inherited from DatabaseConfig.)
| NonDurableTxns | If true, Berkeley DB will not write log records for this database. (Inherited from DatabaseConfig.)
| NoReverseSplitting | Turn reverse splitting in the Btree on or off.
| NoWaitDbExclusiveLock | Configuration of BaseDatabase handle to obtain a write lock on the entire database. (Inherited from DatabaseConfig.)
| Populate | If true and the secondary database is empty, walk through Primary and create an index to it in the empty secondary. This operation is potentially very expensive. (Inherited from SecondaryDatabaseConfig.)
| PrefixCompare | The Btree prefix function.
| Priority | The cache priority for pages referenced by the database. (Inherited from DatabaseConfig.)
| ReadOnly | Open the database for reading only. Any attempt to modify items in the database will fail, regardless of the actual permissions of any underlying files. (Inherited from DatabaseConfig.)
| ReadUncommitted | Support transactional read operations with degree 1 isolation. (Inherited from DatabaseConfig.)
| Truncate | Physically truncate the underlying file, discarding all previous databases it might have held. (Inherited from DatabaseConfig.)
| UseMVCC | Open the database with support for multiversion concurrency control. (Inherited from DatabaseConfig.)
| UseRecordNumbers | If true, support retrieval from the Btree using record numbers.

# Properties

| Name | Description
--- | --- | ---
| EncryptAlgorithm | The algorithm used to perform encryption and decryption. (Inherited from DatabaseConfig.)
| Encrypted | Encrypt the database using the cryptographic password specified by DatabaseConfig.SetEncryption or DatabaseEnvironmentConfig.SetEncryption. (Inherited from DatabaseConfig.)
| EncryptionPassword | The password used to perform encryption and decryption. (Inherited from DatabaseConfig.)
| ForeignKeyDatabase | The database used to check the foreign key integrity constraint. (Inherited from SecondaryDatabaseConfig.)
| ForeignKeyNullfier | The nullifying function used to set the foreign key to null. (Inherited from SecondaryDatabaseConfig.)
| KeyGen | The delegate that creates the set of secondary keys corresponding to a given primary key and data pair. (Inherited from SecondaryDatabaseConfig.)
| MinKeysPerPage | The minimum number of key/data pairs intended to be stored on any single Btree leaf page.
| OnForeignKeyDelete | The action taken when a referenced record in ForeignKeyDatabase is deleted. (Inherited from SecondaryDatabaseConfig.)
| PageSize | The size of the pages used to hold items in the database, in bytes. (Inherited from DatabaseConfig.)
| Primary | All updates to Primary will be automatically reflected in the secondary and all reads from the secondary will return corresponding data from Primary. (Inherited from SecondaryDatabaseConfig.)

# See Also

SecondaryBTreeDatabaseConfig Class
BerkeleyDB Namespace