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https://issues.apache.org/jira/browse/TRAFODION-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16059678#comment-16059678
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ASF GitHub Bot commented on TRAFODION-2665:
-------------------------------------------
Github user zellerh commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1137#discussion_r123564053
--- Diff:
docs/sql_reference/src/asciidoc/_chapters/sql_language_elements.adoc ---
@@ -649,18 +664,18 @@ shorter than the maximum length, but the maximum
internal size of a
VARYING column is actually four bytes larger than the size required for
an equivalent column that is not VARYING.
-* `VARCHAR (_length_) [_char-set_] [UPSHIFT] [[NOT]CASESPECIFIC]`
+* `VARCHAR (_length_ [_unit_]) [_char-set_] [UPSHIFT] [[NOT]CASESPECIFIC]`
+
specifies a column with varying-length character data. VARCHAR is
equivalent to data type CHAR[ACTER] VARYING.
* `NCHAR [(_length_)] [UPSHIFT] [[NOT]CASESPECIFIC], NATIONAL CHAR[ACTER]
[(_length_)] [UPSHIFT] [[NOT]CASESPECIFIC]`
+
-specifies a column with data in the predefined national character set.
+specifies a column with data in the predefined national character
set(USC2).
* `NCHAR VARYING [(_length_)] [UPSHIFT] [[NOT]CASESPECIFIC], NATIONAL
CHAR[ACTER] VARYING (_length_) [UPSHIFT] [[NOT]CASESPECIFIC]`
+
-specifies a column with varying-length data in the predefined national
character set.
+specifies a column with varying-length data in the predefined national
character set(USC2).
--- End diff --
Same here.
> Update Character String Data Types
> ----------------------------------
>
> Key: TRAFODION-2665
> URL: https://issues.apache.org/jira/browse/TRAFODION-2665
> Project: Apache Trafodion
> Issue Type: Documentation
> Reporter: Liu Yu
> Assignee: Liu Yu
> Priority: Minor
>
> Update *Character String Data Types*
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