# Does tctl adm db works only with cassendra? i

**URL:** <https://community.temporal.io/t/does-tctl-adm-db-works-only-with-cassendra-i/562>\
**Category:** Community Support\
**Created:** [September 2, 2020, 2:27pm UTC](https://community.temporal.io/t/does-tctl-adm-db-works-only-with-cassendra-i/562 "2020-09-02T14:27:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![madhu](https://avatars.discourse-cdn.com/v4/letter/m/a8b319/32.png) [@madhu](https://community.temporal.io/u/madhu)\
**Post date:** [September 2, 2020, 2:27pm UTC](https://community.temporal.io/t/does-tctl-adm-db-works-only-with-cassendra-i/562/1 "2020-09-02T14:27:55Z")

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tctl adm db scan --db\_engine mysql --db\_address mysql --db\_port 3306  
2020/09/02 14:26:42 gocql: unable to dial control conn 172.19.0.2: gocql: unsupported protocol response version: 74  
Error: connect to Cassandra failed  
Error Details: gocql: unable to create session: control: unable to connect to initial hosts: gocql: unsupported protocol response version: 74  
(‘export TEMPORAL\_CLI\_SHOW\_STACKS=1’ to see stack traces)

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**Author:** ![Ruslan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.temporal.io/ruslan/32/66_2.png) [@Ruslan](https://community.temporal.io/u/Ruslan)\
**Post date:** [September 2, 2020, 4:15pm UTC](https://community.temporal.io/t/does-tctl-adm-db-works-only-with-cassendra-i/562/3 "2020-09-02T16:15:10Z")

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@madhu  
I’ve asked my team whether we should prioritize the relevant issue tracked in github [https://github.com/temporalio/temporal/issues/598](https://github.com/temporalio/temporal/issues/598)

Will get back to you as i have more data

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**Author:** ![Ruslan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.temporal.io/ruslan/32/66_2.png) [@Ruslan](https://community.temporal.io/u/Ruslan)\
**Post date:** [September 2, 2020, 5:14pm UTC](https://community.temporal.io/t/does-tctl-adm-db-works-only-with-cassendra-i/562/4 "2020-09-02T17:14:11Z")

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We plan to address this and will follow up in the github issue. It is not currently among the top priorities, however please feel free to subscribe to the github issue to follow the updates

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**Author:** ![Ruslan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.temporal.io/ruslan/32/66_2.png) [@Ruslan](https://community.temporal.io/u/Ruslan)\
**Post date:** [September 4, 2020, 1:00am UTC](https://community.temporal.io/t/does-tctl-adm-db-works-only-with-cassendra-i/562/5 "2020-09-04T01:00:02Z")

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