sql

Introduction Did you know that SQL (Structured Query Language) was developed in the 1970s at IBM by a team led by Donald D. Chamberlin and Raymond F. Boyce? Originally known as SEQUEL (Structured English Query Language), SQL was created to manage the vast amounts of data generated by business operations and financial transactions. Today, SQL …

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33 Must Know Data Analyst SQL Interview Questions and Answers SQL is a powerful programming language that is widely used for managing and analyzing data. If you’re looking to become a data analyst or an existing one who is looking for a new job, it’s important to be prepared to answer SQL interview questions. …

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