Another small fix

pingcap · Nov 23, 2023 · 07d41c6 · 07d41c6
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Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/backup-and-restore-using-dumpling-lightning.md b/backup-and-restore-using-dumpling-lightning.md
@@ -41,7 +41,7 @@ If you need to save data of one backup task to the local disk, note the followin
 - Dumpling requires a disk space that can store the whole data source (or to store all upstream tables to be exported). To calculate the required space, see [Downstream storage space requirements](/tidb-lightning/tidb-lightning-requirements.md#storage-space-of-the-target-database).
 - During the import, TiDB Lightning needs temporary space to store the sorted key-value pairs. The disk space should be enough to hold the largest single table from the data source.
 
-**Note**: It is difficult to calculate the exact data volume exported by Dumpling from MySQL, but you can estimate the data volume by using the following SQL statement to summarize the `data-length` field in the `information_schema.tables` table:
+**Note**: It is difficult to calculate the exact data volume exported by Dumpling from MySQL, but you can estimate the data volume by using the following SQL statement to summarize the `DATA_LENGTH` field in the `information_schema.tables` table:
 
 ```sql
 -- Calculate the size of all schemas