Add documentation for migration table

1 files changed, 5 insertions, 0 deletions

diff --git a/Database.md b/Database.md
index aef3a33..7c898af 100644
--- a/Database.md
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+## Table `migration` [`InnoDB`]
+This is an internal information table used for database schema upgrades and must contain only one row. Never modify this table manually unless you know what you are doing.
+
+* Column `schema_version`: Contains the current schema version of the database structure.
+
 ## Table `page` [`InnoDB`]
 In this table are all created page objects stored and will be removed if the admin deletes them.