If you have a query about your insurance policy, contact our helpline.
若对保险单有疑问,请拨打我们的咨询热线。
什么是查询?
Enter a query in the Asset search view.
在资源搜索视图中输入一项查询。
Find the top join node in a query plan.
查找一个查询计划中的顶级连接节点。
Now the first data is ready for a query.
现在,第一个数据已经准备好进行查询。
Listing 2 is an example of such a query.
清单2是这类查询的示例。
This page takes a query string from the request.
此页面接受来自请求的查询字符串。
Turn a query string into keyword arguments.
将查询字符串转变为关键字参数。
Or, using a query, it might look like this.
或者,使用一个查询,这个查询可能看起来像。
A Query view is another type of Notes view.
查询视图是Notes视图的另外一种类型。
定义查询。
To run a query, you need to follow these steps.
运行查询需要经过以下步骤。
This is a filter applied against a Query Subject.
这个过滤器适用于查询主题。
Parameters are bound to a query using the bind method.
使用bind方法将参数绑定到查询上。
If a matching User is found, you create a query block.
如果找到了一个匹配的User,就需要创建一个查询块。
Use EXPLAIN command to see the explain plan of a query.
使用EXPLAIN命令查看查询的解释计划。
How is the decision made to use an MQT to answer a query?
如何作出在查询中使用MQT的决策?
Next we create a query object for the given search phrase.
接着我们用给定的搜索短语创建一个查询对象。
Only top and deepest do not take a query as an argument.
只有top和deepest不使用查询作为参数。
All you have to do to get the information out is make a query.
要获得信息,您要做的就是执行一次查询。
This has several implications for the design of a query language.
这对查询语言的设计具有多种含意。
You need to get them by running a query against the database.
需要对数据库执行查询来获取。
Consider a query very similar to the example shown in Listing 12.
考虑与清单12中的例子非常相似的一个查询。
For this example, we create a Query view called New SQL view.
在本示例中,创建了一个称作newSQLview的查询视图。
This is very similar to how you would write a date in a query.
这和在查询中编写日期非常类似。
Consider having a query that does nothing but set the current period.
考虑使用一个只用来设置当前周期的查询。
Query Explain Use EXPLAIN command to see the explain plan of a query.
查询解释使用EXPLAIN命令查看查询的解释计划。
An MQT is a table whose definition is based on the result of a query.
MQT是基于一个查询的结果而定义的表。
A query is often slow because it has no index or an inefficient index.
查询很慢,因为没有索引或者索引不足够。
Below is an example of how a query plan would look like for the query.
通过下面的例子可以看到查询的查询计划是什么样子?
应用推荐