export tables from DB

Summary:

we have the need to export data from the following tables:

egp_system_items_b

ego_item_eff_b

egp_item_relationships_b

hz_ref_entities

It is not possible to extract all the records using the BI reports, because these tables are too big.

How can we export data from fusion DB for these tables? Is a DB dump possible for the above mentioned tables?

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