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Install Schema/Upgrade Schema: https://www.cloudways.com/blog/setup-scripts-in-magento-2/
It is old and already deprecated in lastest Magento. Now, you should use Declarative Schema to add/modify the table in database for your module
Declarative Schema:
https://developer.adobe.com/commerce/php/development/components/declarative-schema/configuration/
Exercise:
Create new module, use Declarative Schema to create table with the following schema:
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