Control will query the database for the ads and select one to display 控件将查询数据库,看是否有广告并选择一条广告进行显示。
However , querying the database might require many joins of tables to combine information 但是,查询数据库时可能需要联接许多表来组合信息。
First we query the database to get a row set of all the items that match the selected category 首先查询数据库以获取与所选种类匹配的所有货品的行集:
The next step is to create and configure a data source control that can be used to query the database 下一步是创建和配置可用于查询数据库的数据源控件。
Create an sql query statement to query the database and return all the employees in the company 创建一条sql查询语句来查询数据库并返回公司中的所有雇员。
Then , a user interface component will query the database for the tasklists using the taskmgmtsession . findtaskinstancesbyactorid ( . . . ) 所以任务实例可以被委派或者不委派。
The mysql client contacts the mysql server with requests to modify or query the databases the server owns Mysql客户机使用请求来与mysql服务器联系,修改或查询服务器所拥有的数据库。
Method , for instance , the class would obtain a connection to a database , query the database for the list of rows in the 方法的示例中,该类将获取一个到数据库的连接,查询数据库以获取
The index is created by querying the database for the list of unique categories and brands for all the products in the database 索引通过查询数据库中所有产品的惟一种类和品牌的列表而创建。
To query the database , a user or application can connect to any server instance to which the database is attached 若要查询数据库,用户或应用程序可以连接到任意一个附加有数据库的服务器实例。