ORA-55492: error creating VPD policy constraint: string
Cause: The Oracle Virtual Private Database (VPD) constraint had errors.
Action: See Oracle documentation.
ORA-55492是由 Oracle 数据库引擎抛出的一个与VPD(虚拟私有数据库)相关的错误,其中涉及到VPD策略约束(VPD policy constraint)创建失败。