Because of performance problems using EJB2 queries, we decided a long time ago to use direct JDBC calls for query operations and EJB2 CMP for create, retrieve, update, and delete (CRUD) operations.
由于使用e JB 2查询存在性能问题,我们很早就决定对于查询操作使用直接JDBC调用,而对于创建、检索、更新和删除(CRUD)操作则使用EJB2CMP。
It also calls its implementation query and, as before, you give it a CSS selector and it gives you a collection (see Listing 4).
它也调用它的查询实现,同上面一样,您给它一个CSS选择器,它就返回一个元素集(如清单4所示)。
As stated earlier, we used direct JDBC calls for our complex query operations to avoid the performance overhead in EJB2 query.
如前所述,对于复杂的查询操作,我们使用了直接JDBC调用,从而避免EJB 2查询中的性能开销。
Remember, in other API calls, using GET, all the parameters can and do appear as query parameters on the URL line; using POST, they appear in the body of the HTTP request.
记住,在其他API调用中,若使用GET,则所有参数可以作为查询参数出现在URL行;若使用POST,则参数出现在HTTP请求的主体中。
The URL provided as a parameter to each of these calls contains an escaped version of a SPARQL CONSTRUCT query similar to the one above.
作为参数提供给每个调用的URL包含SPARQLCONSTRUCT查询的一个已转义版本,类似于上面的那个查询。
CMP EJB query doesn't perform well in a query scenario, and that is why we used direct JDBC calls for queries.
CMPEJB查询在查询场景中不能执行,这正是我们为查询使用直接JDBC调用的原因。
SearchStats: Query operations, searcher performance and parsing times, method calls statistics, and most commonly executed queries.
搜索统计数据:查询操作、搜索器性能和处理时间、方法调用统计、以及对大多常用执行的查询。
Example of a Query Test that is making Metadata calls.
示例查询测试正在进行元数据调用。
The implementation strategy for LinQ involves rewriting the query into API calls against a provider.
LinQ的实现策略包括了根据提供者来把查询重写成API调用。
Example of a Query Test that is NOT making Metadata calls.
未发起元数据调用的QueryTest示例。
When accessed for the first time, the proxy asks the Hibernate session to query the Address object and then defer all future calls directly to the queried instance.
当首次访问这个代理实例时,代理要求Hibernate会话查询Address对象,以后的所有调用都直接交给查询到的实例。
One feature that differentiates MongoDB from other document databases is that it is very straightforward to translate SQL statements into MongoDB query function calls.
MongoDB 优于其他文档数据库的一个特性是它很容易将SQL语句转换成 MongoDB查询函数调用。
Some of the REST calls may require query parameters. Listing 7 shows how to set the query parameter in the parameters object.
一些REST调用可能需要查询参数,清单7展示了如何在parameters对象中设置查询参数。
Figure 3 is an architectural view of the persistence mechanism for query operations which use direct JDBC calls in WebSphere Customer Center.
图3是用于查询操作的持久性机制的架构视图,该机制使用WebSphereCustomer Center中的JDBC调用。
A simple "todo + security" query calls up many programs that have unimplemented security features.
一个简单的“todo +security ”查询就可以找到很多具有未执行的安全特性的程序。
Note that Objectify's query calls still hit the datastore; it's all other datastore interaction calls, like get, that leverage memcache.
请注意objectify的query调用仍然针对数据存储;这就是利用了memcache的所有其他数据存储交互调用,如get。
The availability of images calls for the accounting department to make modifications to the query for the benefit of the auditor.
图像的可用性要求会计部门修改查询,以便给审计人员带来便利。
The next test that you will run will be the "2-query Table test" that calls the method, which does the claim with a Query Table.
下一个将要运行的测试是调用该方法的“2 - Query TableTest”,它使用查询表进行申明。
In hospital cost accounting, middleware technology will facilitate not only the speed on data calls, query, statistics and analysis, but also the stability and consistency on data collection.
中间件技术在医院成本核算中的应用,不仅调用查询、统计分析方便快捷,而且大大提高了数据汇总的稳定性和一致性。
New URI can include query string section (following question mark) and may direct to any files, script calls, program invocations etc.
新的URI可以包含查询字符串(在“?”后),可以指向任何文件、脚本调用、程序调用等等。
You can also use ODBC function calls for sending SQL statements, such as calling a predefined query (stored procedure) that does not return records.
也可以将ODBC函数调用用于发送SQL语句,如调用不返回记录的预定义查询(存储过程)。
Otherwise, continue with step 4 to create a new query that calls a stored procedure that returns rows.
否则,请继续步骤4创建一个调用返回行的存储过程的新查询。
The query calls out to a separate method to obtain the file length.
查询会呼叫外面另一个方法来取得档案长度。
The query calls out to a separate method to obtain the file length.
查询会呼叫外面另一个方法来取得档案长度。
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