# Load multiple tables dynamically using a control table

**URL:** https://matillioncommunity.discourse.group/t/load-multiple-tables-dynamically-using-a-control-table/2859
**Category:** Matillion ETL
**Tags:** matillion-etl
**Created:** [February 21, 2025, 4:50pm UTC](https://matillioncommunity.discourse.group/t/load-multiple-tables-dynamically-using-a-control-table/2859 "2025-02-21T16:50:20Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![nivedhitha.k](https://avatars.discourse-cdn.com/v4/letter/n/e95f7d/32.png) [@nivedhitha.k](https://matillioncommunity.discourse.group/u/nivedhitha.k)
#### Post date: [February 21, 2025, 4:50pm UTC](https://matillioncommunity.discourse.group/t/load-multiple-tables-dynamically-using-a-control-table/2859/1 "2025-02-21T16:50:20Z")

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Hello everyone, I have a situation where I’m loading around 40 tables and all I’m doing is casting the fields from varchar to their corresponding data types and adding a couple of timestamp columns. The design right now is - a single transformation job has about 40 different mappings(or subjob?), all running in parallel

How do I send out notifications(email) for errors from these?

Is there a better way to do this? Like use a control table and iterate through them to dynamically get the source and target tables and avoid having 40 different subjobs?

Please provide your suggestions.

Thanks In advance

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### Author: ![HariRamK](https://sea2.discourse-cdn.com/flex002/user_avatar/matillioncommunity.discourse.group/hariramk/32/855_2.png) [@HariRamK](https://matillioncommunity.discourse.group/u/HariRamK)
#### Post date: [March 12, 2025, 12:01pm UTC](https://matillioncommunity.discourse.group/t/load-multiple-tables-dynamically-using-a-control-table/2859/2 "2025-03-12T12:01:41Z")

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Hi @nivedhitha.k Whether all 40 tables are loaded in single transformation job?