Therefore, when you are working with a UNION query, query Designer hides the Table Operations pane.
因此，当使用UNION查询时，查询设计器将隐藏“表操作”窗格。
The compilation of the query on the remote server and fetching of enough data to fill the ATQ buffer on all legs of the UNION will proceed in parallel.
查询在远程服务器上的编译，以及取足够的数据来填充union所有分支上的AT Q缓冲区，这两个过程是并行进行的。
The UNION statement in particular is useful to a hacker because it allows him to splice the results of one query onto another.
UNION语句对黑客尤其有用，因为黑客可以通过它将一个查询的结果接合到另一查询结果上。
In the above example, performance of the federated query could be improved by executing all three remote legs of the UNION at the same time.
在上面的例子中，可以通过同时执行union的所有三条分支来提高联邦查询的性能。
The original query against the UNION ALL view is now simplified to a query against one single nickname.
UNIONALL视图上的初始查询现在被简化为对一个昵称的查询。
To find out all accounts with privileges, you can query each of the system catalog views and combine the results together using the UNION operator, as shown in Listing 4.
要查明具有特权的所有帐号，可以查询每个系统编目视图并使用UNION操作符将结果组合在一起，如清单4所示。
In this example, the output from this inner query is combined with that from other inner queries with the key words UNION all.
在本例中，使用UNION ALL关键字将来自该inner查询的输出与来自其他inner查询的输出组合在一起。
In this article I provided generic mappings from the Oracle style CONNECT BY recursive query syntax to DB2's standard compliant recursive common table expressions using UNION ALL.
在本文中，我提供了从oracle型CONNECT BY递归查询语法到DB 2中遵从标准的使用UNION ALL的递归公共表表达式的通用映射。
Ability to join, union, aggregate, and otherwise correlate data from multiple sources in a single query.
在一个查询中连接、联合、聚集来自多个数据源的数据并使它们相关的能力。
Here you have a three-table join involving a UNION, and from the db2exfmt output pertaining to the query, you have.
假设有一个涉及UNION的三表连接和来自查询的db 2 exfmt输出。
When the asynchrony feature of WFS 9.1 is enabled by setting the appropriate configuration parameters, the query execution plan for the UNION ALL query illustrated above may look like this.
当通过设置适当的配置参数启用WFS 9.1中的异步特性时，前面演示的UNIONALL查询的查询执行计划如下。
Thus steps 3 and 4 are repeated until the whole result set of the query on the first leg of the union is exhausted.
就这样重复步骤3和步骤4，直到UNION的第一个分支上的查询的整个结果集被取完。
Creates a new query with union of the current query's context and the new context.
创建一个新的查询与联盟当前查询的上下文和新的上下文。
"Union Operation not allowed in sub query" is there a way to fix this in one single query?
“子查询”不允许联合手术是有办法解决这一单一的查询？
"Union Operation not allowed in sub query" is there a way to fix this in one single query?
“子查询”不允许联合手术是有办法解决这一单一的查询？
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