generated columns

Once you have moved the data, you might need to update your database to start the numbering of your automatically generated identity columns higher than all the existing values in the migrated data.

一旦您迁移了数据，您可能需要更新您的数据库，使之在您自动生成的标识字段中从高于迁移数据所有值的数字开始计数。

Usage of data-change-operations in the FROM clause allows retrieval of generated columns such as IDs, as well as the retrieval of data to be deleted or updated.

在FROM子句中对数据更新操作的使用允许对生成的列（例如ID）的检索，以及对要被删除或更新的数据的检索。

There are several methods to search DB2 data in a case-insensitive manner such as the use of generated columns ( see Resources).

以不区分大小写的方式搜索DB2数据有多种方法，比如使用生成的列（请参见参考资料）。

While you can realize such a function-based index with DB2's generated columns, the approach described in this article does not impose the requirement to add another column to the table.

虽然您可以实现这种基于函数的、带有DB2生成列的索引，但本文描述的方法则不要求向表添加另外的列。

Minimize the triggers, CHECK and foreign key constraints, and generated columns for the table.

尽量减少表上的触发器、检查和外键约束以及生成的列。