Class support deferred inserts updates deletes 类则支持延迟插入/更新/删除。
Class provides support for immediate inserts updates deletes 类支持即时插入/更新/删除。
Specifically , it demonstrates how to perform immediate and deferred inserts updates deletes 具体地说,该示例说明如何执行即时和延迟插入/更新/删除。
Insert update delete triggers attached to a table can detect changes made to data units and record the changes in a change log table 附加到表上的插入/更新/删除触发器可以检测到对数据单元所做的更改,并在更改日志表中记录这些更改。