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In the previous chapter, we learned about various date, time, and datetime functions. In this chapter, we will explore multiple string and character functions in a similar style. Moreover, we will maintain the presidential elections theme in this chapter. However, the examples in this chapter were not included in the original Harvard project. Get ready to roll up your sleeves and explore how to clean messy character data by learning how to parse, search, and unify cases.

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Strings

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  • 发表日期：

    2025年

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  • Engy Fouda

摘要

In the previous chapter, we learned about various date, time, and datetime functions. In this chapter, we will explore multiple string and character functions in a similar style. Moreover, we will maintain the presidential elections theme in this chapter. However, the examples in this chapter were not included in the original Harvard project. Get ready to roll up your sleeves and explore how to clean messy character data by learning how to parse, search, and unify cases.