If the remote data source cannot handle the null value in a host variable or parameter marker, any function that involves binding a nullable value has to be evaluated locally.
如果远程数据源不能处理主机变量或参数标记符中的NULL，那么任何需要绑定一个可以为空的值的函数都必须在本地计算。
A parameterized query also takes a variable number of arguments as its binding parameters.
一个带参数的查询也可以将一组数量不定的参数作为它的绑定参数。
For: Iterates through an input sequence, binding a variable to each input item in turn.
for：对输入序列进行迭代，依次将一个变量绑定到每个输入项。
The other way is to read it from the value binding that corresponds to the temporary loop variable, which is defined in the component tag's var attribute.
另一种方法是从对应于临时循环变量的值绑定中读取该数据，该变量定义在组件标记的var属性中。
Since you're binding a string variable, you use bindString. That method takes three arguments
绑定字符串变量需要使用bindString。
Data binding is performed using braces (for example, the TextArea element's text attribute is bound to the ActionScript message instance variable).
数据绑定通过大括号执行(例如，将TextArea元素的text属性绑定到ActionScriptmessage实例变量)。
Tying a variable is basically the binding of functions to the internal triggers for reading and writing that variable.
绑定变量基本上就是将函数绑定到内部触发器上以读写该变量。
Query processing contains parsing of global query, binding of query variable, decomposition of query and rewriting of query.
查询处理包括全局查询语句解析、查询变量绑定、查询分解和查询重写。
Query processing contains parsing of global query, binding of query variable, decomposition of query and rewriting of query.
查询处理包括全局查询语句解析、查询变量绑定、查询分解和查询重写。
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