SQL is essential in today’s data-driven world, as it enables efficient management, retrieval, and analysis of data stored in databases. With the increasing reliance on data for decision-making, ...

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/tp1 : Create a database for a blog (creating tables with constraints like foreign keys, unique keys and not null fields) tp1_depart.sql : sql file for beginning work tp1_ykacer.sql : sql file with ...

SQL (Structured Query Language) is an essential skill for professionals in various fields, including data analysis, software development, and data science. Mastering SQL can significantly enhance your ...

UPDATE employees SET avg_customer_rating = 4.8 WHERE employee_id = 1; UPDATE employees SET avg_customer_rating = 4.6 WHERE employee_id = 2; UPDATE employees SET avg_customer_rating = 4.75 WHERE ...

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