从ite m表检索产品的名称、价格和描述。
Retrieve the item's name, price and description from the item table.
查询优化器根据从每个表检索的行数估计查询成本。
The query optimizer bases query-cost estimates on the number of rows to be retrieved from each table.
如果查询从一个表检索大量数据，优化器就不会使用索引。
The optimizer won't use an index if the query retrieves a large amount of data from a table.
从STOCK表检索该产品的地区信息和剩下的库存水平。
Retrieve some district information and the remaining stock level for the item from stock.
它包括所使用的索引、从数据库表检索字段的时间和执行查询的步骤次序。
It includes the indexes that are used, The Times at which fields are retrieved from the database tables, and the order of the steps that execute the query.
在分析了传统的峰表检索法和全谱全库检索法的基础上，提出了综合检索法。
Synthesis search is established based on the analysis to peak table search and full digit spectrum search.
在数据库服务器使用所有表筛选器之后，从外部表检索出的行数将很少，而内部表具有一个可用于执行连接的索引。
The number of rows retrieved from the outer table after the database server applies any table filters is small, and the inner table has an index that can be used to perform the join.
与DatabaseRoute节点一起，您可以使用DatabaseRetrieve节点从一个或多个数据库表检索数据。
As with the DatabaseRoute node, you can use the DatabaseRetrieve node to retrieve data from one or more database tables.
该程序有一个性能缺陷—我是按值而不是按指针在关联的字符串表中检索字符串条目的。
The program has one performance flaw-i retrieve the string entry in the associated string table by value rather than pointer.
可以使用系统编目视图来检索关于表空间之类的存储管理对象的信息。
You can use the system catalog views to retrieve information about storage management objects such as table Spaces.
现在，假设我们想从clients表中检索一个地址元素(比如说，城市)。
Now, suppose we want to retrieve only one address element (say, city) from the CLIENTS table.
但此选项，仍然会在边上通过连接到普通事实表来检索维度成员。
This option, however, still retrieves the dimension members on the edges through joins to a common fact table.
您可以检索表和视图数据，更改数据，以及将更新传回服务器。
You can retrieve table and view data, alter the data, and propagate the updates back to the server.
分段的最终目标就是通过直接访问来包含满足SQL查询的数据分段表，减少检索时间。
The ultimate goal of fragmentation is to reduce the retrieval time by directly accessing the fragment that contains the data that satisfies the SQL query.
SAP查询接口允许您直接查询sap表，以检索数据或检查SAP服务器上是否存在数据。
The SAP query interface lets you query the SAP tables directly to retrieve data or check for the existence of data on the SAP server.
DB 2透明地访问历史表，检索正确的信息。
DB2 transparently accesses the history table to retrieve the correct information.
表1.内容检索选项。
get _ files函数连接到文件表并检索与给定用户相关联的文件行。
The get_files function connects to the files table and retrieves the file rows associated with the given user.
在Web处理上下文中，调用注册表用来检索用户唯一的ID，显示名称和组成员，它基于TAI报告的用户ID。
In the context of Web processing, the call registry is used to retrieve the user's unique ID, display name, and group membership, based on the user ID reported by the TAI.
要从croton_data表中检索单个事件报告，只需一个XML查询即可。
TO retrieve a single incident report from the CROTON_DATA table requires just an XML query. Listing 4 illustrates an example query.
下面这个例子展示了如何为一个聚合函数max从EMPLOYEE表中检索salary的值
The next example shows how you can retrieve the value for the aggregate function max for the salary column from the EMPLOYEE table
创建“现有表”时，首先会创建一个代理表，然后检索和存储远程表中的元数据，并将该元数据放入到这个代理表中。
Creating an "existing table" creates a proxy table, then retrieves and stores metadata from a remote table and places the metadata into the proxy table.
优化器将根据在每个表中检索的行数来评估查询成本。
The optimizer bases query cost estimates on the number of rows to be retrieved from each table.
为了从表中检索结构化类型数据，必须有一些将类型转换成一个标量值，换句话说，这些值的类型必须基于某种内置的DB2 数据类型。
To retrieve structured type data from a table, there must be some way to convert that type into a single scalar value whose type, in turn, must be based on one of the built-in DB2 data types.
检查程序是否正在访问该表并从中检索姓名。
Check that the program is accessing the table and retrieving the name.
实现这个目的的最简单方法就是使用XMLTABLE的sql函数，该函数可以准确地描述如何以关系(或表)格式检索XML数据。
The simplest way to do this is through an SQL function called XMLTABLE, which concisely describes how to retrieve XML data in relational (or table) format.
一个服务密钥典型的被保存在一个密钥表文件中，该服务密钥在运行时就是从密钥表文件中检索的。
A service's secret key is typically kept in a key table file from where it is retrieved at run time.
所有粗体的项目都是可以很容易地从源表中检索出的多余垃圾。
All of the items in bold are extra junk to carry around that could be easily retrieved from the source tables.
它包括所使用的索引、从数据库表中检索字段的次数，以及执行查询的步骤的顺序。
It includes the indexes that are used, The Times at which fields are retrieved from the database tables, and the order of steps in which the query is executed.
它是检索时间表所采取的格式。
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