You will rarely need this query.
您很少需要此查询。
What is the result type of this query?
这一查询结果是什么类型?
Performance of this query will not be good.
该查询的性能并不好。
Figure 2 shows a possible plan for this query.
图2显示了这个查询的一个可能的计划。
If you run this query, the result should show.
如果运行该查询,结果如下所示。
You can save this query to use later.
可以保存此查询以供将来使用。
The result of this query is shown in Listing 8.
此查询的结果显示在清单8中。
Two aspects of this query deserve some explanation.
这个查询有两个方面要解释一下。
Running this query will produce a result similar to
运行该查询将产生类似以下的结果
The next section will show how this query can be fixed.
下一小节将展示如何修复该查询。
There's a lot of data being pulled for this query.
为此查询提取了大量数据。
Note that this query pulls out the person's name and city.
请注意,查询检索人的姓名和所在城市。
You can see the expected result of this query in Figure 10.
在图10中您可以看到该查询的预期结果。
But, this query is not what you want, for multiple reasons.
但是,这个查询并不是您想要的,原因有好几个。
Given the sample data, no records are returned for this query.
对于示例数据,该查询不返回任何记录。
Use the Copy command to move this query to the Clipboard.
使用“复制”命令将此查询移动到剪贴板中。
Executing this query should return a result like the one in Figure 8.
执行该查询将返回与图8一样的结果。
For this query, an index on DATE_ID, STORE_ID would prove beneficial.
对于这个查询来说,可以证明DATE_ID和STORE_ID上建立的索引是很有用的。
Now, all that's left is to build a function for executing this query.
现在只需要编写一个执行查询的函数。
When this time period has passed, this query result is available for update.
当此时段过后,该查询结果可进行更新。
Consider this query, which retrieves contact information for various companies.
考虑下面这个查询,该查询检索不同公司的联系方式信息。
Please assist with the complete quote and information regarding this query.
请把完整的报价和信息报给我们。
该查询是一个字符串。
This query plan shows a full table scan.
该查询计划显示了一个全表扫描。
This query returns the same result set as in Example 3.
该查询返回的结果与示例3返回的结果相同。
This query may seem complex, due primarily to its length.
该查询似乎很复杂,这主要是因为它的长度。
This query provides the id of the first contact in a list.
这个查询提供了列表中的第一个联系人的ID。
This query removes an entry from the staff query result set.
此查询从人员查询结果集中删除一个条目。
This query is used to fetch the data from the specified table.
此查询用于从指定表中提取数据。
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