[#wallet-DatabaseOptions]
= xref:wallet.adoc[wallet]::DatabaseOptions
:relfileprefix: ../
:mrdocs:

Options controlling how a wallet database is opened or created.

== Synopsis

Declared in `<wallet/db.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct DatabaseOptions;
----

== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:wallet/DatabaseOptions/create_flags.adoc[`create_flags`] 
| Backend‐specific flags used when creating the database.
| xref:wallet/DatabaseOptions/create_passphrase.adoc[`create_passphrase`] 
| Passphrase used to encrypt a newly created database.
| xref:wallet/DatabaseOptions/max_log_mb.adoc[`max_log_mb`] 
| Max log size to allow before consolidating.
| xref:wallet/DatabaseOptions/require_create.adoc[`require_create`] 
| Fail if the database already exists.
| xref:wallet/DatabaseOptions/require_existing.adoc[`require_existing`] 
| Fail if the database does not already exist.
| xref:wallet/DatabaseOptions/require_format.adoc[`require_format`] 
| Require a specific database format, if set.
| xref:wallet/DatabaseOptions/use_shared_memory.adoc[`use_shared_memory`] 
| Let other processes access the database.
| xref:wallet/DatabaseOptions/use_unsafe_sync.adoc[`use_unsafe_sync`] 
| Disable file sync for faster performance.
| xref:wallet/DatabaseOptions/verify.adoc[`verify`] 
| Check data integrity on load.
|===



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