# Merging into MariaDB

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This section contains background information, mostly aimed at engineers developing MariaDB features.
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[Creating a New Merge Tree](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/creating-a-new-merge-tree.md)
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[Merging from MySQL (obsolete)](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-from-mysql-obsolete.md)
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[Merging New XtraDB Releases (obsolete)](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-new-xtradb-releases-obsolete.md)
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[Merging TokuDB (obsolete)](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-tokudb-obsolete.md)
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{% content-ref url="/pages/RqLnHhWABK2zQ0Zoeh7f" %}
[Merging with a Merge Tree](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-with-a-merge-tree.md)
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