You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@empire-db.apache.org by "Rainer Döbele (Jira)" <ji...@apache.org> on 2022/01/13 15:08:00 UTC

[jira] [Closed] (EMPIREDB-303) Add support for Unique-Indexes which allow null values

     [ https://issues.apache.org/jira/browse/EMPIREDB-303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rainer Döbele closed EMPIREDB-303.
----------------------------------

> Add support for Unique-Indexes which allow null values
> ------------------------------------------------------
>
>                 Key: EMPIREDB-303
>                 URL: https://issues.apache.org/jira/browse/EMPIREDB-303
>             Project: Empire-DB
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Rainer Döbele
>            Assignee: Rainer Döbele
>            Priority: Major
>             Fix For: empire-db-2.5.0
>
>
> Databases might support Unique-Indexes that allow Null values.
> In SQL-Server the Syntax is like:
> CREATE UNIQUE INDEX SOMECOLUMN_IDX ON SOMETABLE (SOMECOLUMN) WHERE SOMECOLUMN IS NOT NULL



--
This message was sent by Atlassian Jira
(v8.20.1#820001)