Github user sraghunandan commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2590#discussion_r207071343
--- Diff: docs/data-management-on-carbondata.md ---
@@ -524,6 +540,9 @@ Users can specify which columns to include and exclude
for local dictionary gene
```
ALTER TABLE tablename UNSET
TBLPROPERTIES('LOCAL_DICTIONARY_ENABLE','LOCAL_DICTIONARY_THRESHOLD','LOCAL_DICTIONARY_INCLUDE','LOCAL_DICTIONARY_EXCLUDE')
```
+
+ **NOTE:** For old tables, by default, local dictionary is disabled. If
user wants local dictionary, user can enable/disable local dictionary for new
data on those tables at their discretion.
--- End diff --
local dictionary is disabled for new tables also.Need to mention it can be
enabled for old tables also
---
