Data Analysts also need SQL knowledge to understand data available in Relational Databases like Oracle, Microsoft SQL, MySQL. It is essential to learn SQL for Data Preparation and Wrangling . For instance, if Analysts need to use Big Data Tools for analysis, then SQL is the language they must know.
Read moreIs udacity data analyst Nanodegree worth it?
Is udacity data analyst Nanodegree worth it? Yes, it is worth it for those who want to advance their skills in Data Analysis and have working experience with data in Python (specifically NumPy and Pandas) and SQL .
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