In other words, HBase supports a dynamicschema model.
换句话说,HBase支持一个动态模式模型。
2
RDBMS: Dynamicschema upgrade when encountering new interface implementations.
RDBMS:当遇到新的接口实现时可以动态升级schema。
3
The CURRENT SCHEMA special register contains the default qualifier to be used for unqualified objects referenced for dynamic SQL statements issued from within a specific DB2 connection.