# wordpress-seo/18.9/src/config/migrations

Yoast SEO – Advanced SEO with real-time guidance and built-in AI, version 18.9. 23 entries.

- Page: https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations
- Release archive: https://downloads.wordpress.org/plugin/wordpress-seo.18.9.zip

- file [20171228151840_WpYoastIndexable.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20171228151840_WpYoastIndexable.php)
- file [20171228151841_WpYoastPrimaryTerm.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20171228151841_WpYoastPrimaryTerm.php)
- file [20190529075038_WpYoastDropIndexableMetaTableIfExists.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20190529075038_WpYoastDropIndexableMetaTableIfExists.php)
- file [20191011111109_WpYoastIndexableHierarchy.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20191011111109_WpYoastIndexableHierarchy.php)
- file [20200408101900_AddCollationToTables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200408101900_AddCollationToTables.php)
- file [20200420073606_AddColumnsToIndexables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200420073606_AddColumnsToIndexables.php)
- file [20200428123747_BreadcrumbTitleAndHierarchyReset.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200428123747_BreadcrumbTitleAndHierarchyReset.php)
- file [20200428194858_ExpandIndexableColumnLengths.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200428194858_ExpandIndexableColumnLengths.php)
- file [20200429105310_TruncateIndexableTables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200429105310_TruncateIndexableTables.php)
- file [20200430075614_AddIndexableObjectIdAndTypeIndex.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200430075614_AddIndexableObjectIdAndTypeIndex.php)
- file [20200430150130_ClearIndexableTables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200430150130_ClearIndexableTables.php)
- file [20200507054848_DeleteDuplicateIndexables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200507054848_DeleteDuplicateIndexables.php)
- file [20200513133401_ResetIndexableHierarchyTable.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200513133401_ResetIndexableHierarchyTable.php)
- file [20200609154515_AddHasAncestorsColumn.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200609154515_AddHasAncestorsColumn.php)
- file [20200616130143_ReplacePermalinkHashIndex.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200616130143_ReplacePermalinkHashIndex.php)
- file [20200617122511_CreateSEOLinksTable.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200617122511_CreateSEOLinksTable.php)
- file [20200702141921_CreateIndexableSubpagesIndex.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200702141921_CreateIndexableSubpagesIndex.php)
- file [20200728095334_AddIndexesForProminentWordsOnIndexables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20200728095334_AddIndexesForProminentWordsOnIndexables.php)
- file [20201202144329_AddEstimatedReadingTime.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20201202144329_AddEstimatedReadingTime.php)
- file [20201216124002_ExpandIndexableIDColumnLengths.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20201216124002_ExpandIndexableIDColumnLengths.php)
- file [20201216141134_ExpandPrimaryTermIDColumnLengths.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20201216141134_ExpandPrimaryTermIDColumnLengths.php)
- file [20210817092415_AddVersionColumnToIndexables.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20210817092415_AddVersionColumnToIndexables.php)
- file [20211020091404_AddObjectTimestamps.php](https://pluginprobe.com/plugins/wordpress-seo/18.9/code/src/config/migrations/20211020091404_AddObjectTimestamps.php)

Append `?format=md` to any of these, or send `Accept: text/markdown`, to read them as
Markdown. Add `/raw/` in place of `/code/` for the file with no wrapper at all.