For the application, load a simple table with employee data; the table will support sorting on any of its columns.
对于应用程序,加载一个包含雇员数据的简单表;该表将支持对其任何列进行排序。
Support of external table creation, access, load, and unload from within the stored procedures makes it easier to perform the batch load and unload operations.
存储过程中的外部表创建、访问、加载和卸载支持允许您更轻松地执行批加载和卸载操作。
For table CUST_ORDER_HEADER, both of the existing indexes do not support the local and join predicates on the table, as shown below.
对于cust_order_header表,现有的索引表不支持表上的本地和连接谓词,如下所示。
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