As this report executes, a Structured Query Language ( SQL ) trace on the query database would reveal that the SQL used to populate the crosstab is sent down once for each of the order methods. 执行此报表时,查询数据库(QDB)上的结构化查询语言(SQL)跟踪会显示,将为每个Order方法发送一次用于填充交叉表的SQL。
We 'll talk about where your data, query database, and authentication source should reside for various types of workloads and requirements. 讨论对于不同类型的工作负载和需求,应该把数据、查询数据库(QDB)和身份验证源驻留在什么地方。
For example, it is easier to manage a single DB2 database image that customizes itself on startup rather than to create five different query database images. 例如,与创建多个不同的查询数据库(QDB)映像相比,让单一DB2数据库映像在启动时定制本身更容易。
Objective To establish a query database on emerging infectious diseases ( EID ) to improve the medical professionals knowledge of the EID. 目的建立新发传染病(EID)可查询数据库(QDB),以利于提高医护人员对新发传染病的认识。
Aim at these shortcomings, we discuss the application of storing persistence object through a concrete information system instance. JDO technology can store or query database in transparent way. 针对这些缺点我们通过一个具体的信息系统应用实例分析了JDO技术在实际永久性对象技术存储的应用,JDO技术可以用透明的方式保存数据库或在数据库中访问。