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fix update
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eemmiillyy committed Jul 8, 2024
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4 changes: 2 additions & 2 deletions 050-Manage/030-migrations.mdx
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Expand Up @@ -73,7 +73,7 @@ Migration files should not be modified. If externally modified, the record will

Migrations must be ordered. Ordering is guaranteed by the `parent` and the ledger file, which is stored in `.xata/migrations/.ledger`. The ledger file is an append only file that lists all migration files in the correct order.

## Multi-Version Schema Migrations (Postgres enabled only)
## Multi-version Schema Migrations (Postgres enabled only)

For Postgres enabled branches, the Web UI provides a Migration Editor to create [multi-version schema migrations](https://xata.io/blog/schema-multi-version-launch-week) using [pgroll](https://github.com/xataio/pgroll) operations.

Expand Down Expand Up @@ -171,7 +171,7 @@ As more data is added to the table through either the old or the new version of

![Adding a new column](images/migrations-multiversion/add-column.png)

Migrations that involve more than one operation may result in a temporary additional column in the UI prefixed with `_pgroll_new_`. This frequently occurs with alter column operations that change multiple properties. This column will disappear after the schema migration is completed or rolled back.
Migrations that involve more than one operation may result in a temporary additional column in the UI. This frequently occurs with alter column operations that change multiple properties. This column will disappear after the schema migration is completed or rolled back.

![Editing an existing column](images/migrations-multiversion/alter-column.png)

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