Remember to connect via "New Query" to avoid getting an "invalid cast exception", as the database object explorer does not work with the PostgreSQL schemas.
create database trade_db;
create table trades (
trade_id int,
trade_type nvarchar(50)
);
insert into trades values (1, 'FX Swap');
insert into trades values (2, 'FX Option');
select * from trades;
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Demo on using Aurora PostgreSQL and Babelfish.