# HELP：How to add support for a new database in Flowable

**URL:** <https://forum.flowable.org/t/help-how-to-add-support-for-a-new-database-in-flowable/12521>\
**Category:** Flowable Engine\
**Created:** [January 12, 2026, 7:12am UTC](https://forum.flowable.org/t/help-how-to-add-support-for-a-new-database-in-flowable/12521 "2026-01-12T07:12:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Bill](https://avatars.discourse-cdn.com/v4/letter/b/ac91a4/32.png) [@Bill](https://forum.flowable.org/u/Bill)\
**Post date:** [January 12, 2026, 7:12am UTC](https://forum.flowable.org/t/help-how-to-add-support-for-a-new-database-in-flowable/12521/1 "2026-01-12T07:12:54Z")

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In Flowable 7.1.0, the use of Liquibase has been removed. I am in China and need to use the Dameng database. Could you please tell me how I should properly add support for a new database? I have now rewritten org.flowable.common.engine.impl.util.DbUtil and treated the DM DBMS as MySQL, but when starting, it reports an error: couldn’t create db schema: create index ACT\_IDX\_JOB\_EXECUTION\_ID on ACT\_RU\_JOB(EXECUTION\_ID\_)

@filiphr can you help me？