> Trading environment, there wasn't another solution with the lookup-and-matching performance they got out of Oracle, from what little was shared with me. I've

> Trading environment, there wasn't another solution with the lookup-and-matching performance they got out of Oracle, from what little was shared with me. I've been maintaining trading backend databases for roughly a decade. What oracle does, db2, sql server, sybase can do. And postgresql, MySQL most probably too. Most of the times the Oracle choice is dictated by a software editor whose devs are more familiar with Oracle and have an oracle first strategy.