JPO is a framework for persistence (storage and retrieval) of domain (or data) objects in Java-based database applications. The object/relational impedence missmatch is widely regarded as a complex problem with no easy solution.
Cars changed overtime by people who wanted bigger cars or faster cars. People started to make plans for better cars, tested them and see if they people liked it. Cars are stil â¦ l changing today.
Detroit's Change (from 1900 to 1960) by Varun Natarajan The Motor City Founded as a small village in 1701, Detroit was not fully incorporated city until 1815. By the 1900s, industries native to Detroit, such as cigar manufacturing and kitchen ranges, were quickly overshadowed by Detroit's flourishing automotive industry.