数据联合的很多实现具有受限的数据操作功能。

Many implementations of the data federation pattern have limited capabilities to manipulate data.

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为了管理数据库中的空间数据，必须启用数据库的空间操作功能。

In order to manage spatial data in your database, the database must be enabled for spatial operations.

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本教程面向那些需要利用 AWK 强大的文本操作功能的读者。

This tutorial is written for anyone who wants to begin harnessing the text-manipulation power of AWK.

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In Week 2 we'll look at things like cryptography and functions and the tools that by which you begin to assemble solutions to problems; in Week 3 we'll introduce what are generally ; known as algorithms and data structures; mechanisms by which you can solve problems more efficiently, effectively.

第2周,我们学习加密技术及其功能,还会学到一些操作工具,通过这些工具的使用来收集解决问题的办法,第3周,我们将介绍;,算法和数据结构,以及可以更有效地解决问题的机制。

哈佛公开课 - 计算机科学课程节选