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#16 Basic SQL Query block & Subqueries | Introduction to Database Systems
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Welcome to 'Introduction to Database Systems' course !
This lecture focuses on querying for information in SQL. It discusses the basic SQL query block and introduces the concept of subqueries. The lecture covers different aspects of SQL queries, including renaming attributes using the AS keyword, introducing table aliases, and formulating conditions in the WHERE clause. It also highlights the influence of tuple relational calculus on SQL.
NPTEL Courses permit certifications that can be used for Course Credits in Indian Universities as per the UGC and AICTE notifications.
#SQL #queries #subqueries #renaming
This lecture focuses on querying for information in SQL. It discusses the basic SQL query block and introduces the concept of subqueries. The lecture covers different aspects of SQL queries, including renaming attributes using the AS keyword, introducing table aliases, and formulating conditions in the WHERE clause. It also highlights the influence of tuple relational calculus on SQL.
NPTEL Courses permit certifications that can be used for Course Credits in Indian Universities as per the UGC and AICTE notifications.
#SQL #queries #subqueries #renaming
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#16 Basic SQL Query block & Subqueries | Introduction to Database Systems
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