[#CCoinsViewDB-NeedsUpgrade]
= xref:CCoinsViewDB.adoc[CCoinsViewDB]::NeedsUpgrade
:relfileprefix: ../
:mrdocs:

Whether an unsupported database format is used&period;

== Synopsis

Declared in `&lt;txdb&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
NeedsUpgrade();
----

== Return Value

True if the database needs an upgrade&period;


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