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ASF GitHub Bot commented on TRAFODION-2665: ------------------------------------------- Github user liuyu000 commented on a diff in the pull request: https://github.com/apache/incubator-trafodion/pull/1137#discussion_r123659013 --- 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). --- End diff -- Thanks Hans. I've incorporated your comment. :) > 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* -- This message was sent by Atlassian JIRA (v6.4.14#64029)