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ASF GitHub Bot commented on TRAFODION-3144: ------------------------------------------- Github user liuyu000 commented on a diff in the pull request: https://github.com/apache/trafodion/pull/1645#discussion_r202882272 --- Diff: docs/sql_reference/src/asciidoc/_chapters/sql_statements.adoc --- @@ -390,25 +390,27 @@ alter-action is: column-definition is: column-name data-type - ([DEFAULT default] - [[constraint constraint-name] column-constraint]) + [[DEFAULT default] + [[constraint constraint-name] column-constraint]] data-type is: char[acter] [(length)[characters]] --- End diff -- Thanks for your review @DaveBirdsall `length [characters]` is optional. If `length` is not specified, then default is 1 character. ![default](https://user-images.githubusercontent.com/20532956/42794351-da9d61f2-89b0-11e8-9fca-10f2e09e6511.png) > Correct Syntactic Descriptions of Character String Data Types and Add > Examples (NCHAR) for *ALTER TABLE Statement* in *Trafodion SQL Reference > Manual* > ------------------------------------------------------------------------------------------------------------------------------------------------------ > > Key: TRAFODION-3144 > URL: https://issues.apache.org/jira/browse/TRAFODION-3144 > Project: Apache Trafodion > Issue Type: Documentation > Reporter: Liu Yu > Assignee: Liu Yu > Priority: Major > -- This message was sent by Atlassian JIRA (v7.6.3#76005)