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They're useful to know if specific indexes can increase performance for problematic queries, since you can know if PostgreSQL will use these indexes or not without having to spend resources to create them
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https://www.postgresql.org/download/products/6-postgresql-extensions/
They're useful to know if specific indexes can increase performance for problematic queries, since you can know if PostgreSQL will use these indexes or not without having to spend resources to create them
https://www.postgresql.org/download/products/1-administrationdevelopment-tools/
It connects your Oracle database, scan it automaticaly and extracts its structure or data, it then generates SQL scripts that you can load into your PostgreSQL database