目前这个提供程序支持主机变量、模块、ARRAY数据类型、复合语句和可变长度时间戳。

This provider now supports host variables, modules, the ARRAY data type, compound statements, and variable length timestamps.

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容器类型间的另一个不同点来自于它们所持有的数据的特性，下面四种容器类型的顺序是不可变的。

Another difference between the container types results from the nature of the data they hold. The following four container types are immutable sequences.

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any自己描述的数据类型，可表示任何idl类型可变化。

Any Self-describing data type that can represent any IDL type variable.

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