In Oracle Apps R12
select * from gl_ledgers_v;
Shows the 4 c, Currency, Chart of accounts, Calendar and Accounting method
select * from hr_legal_entities;
Shows legal entities and its associated business group
select * from hr_operating_units;
Shows operating units, business group, legal entity context and ledger
select * from hr_organization_information_v;
select * from mtl_parameters;
select * from gl_ledgers_v;
Shows the 4 c, Currency, Chart of accounts, Calendar and Accounting method
select * from hr_legal_entities;
Shows legal entities and its associated business group
select * from hr_operating_units;
Shows operating units, business group, legal entity context and ledger
select * from hr_organization_information_v;
select * from mtl_parameters;