1 After the displacement of the Western Zhou (c.1050-771) and the movement of the Zhou capital eastward, China was divided into a number of small states competing for power (771-221 BCE).
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Oracle Database (Oracle DB) Oracle database (Oracle DB) is a relational database management system (RDBMS) from the Oracle Corporation. Originally developed in 1977 by Lawrence Ellison and other developers, Oracle DB is one of the most trusted and widely-used relational database engines.