PostgreSQL - 20 | Usage of 'Sub-Query' with Where, From, Select, Insert Operations in PostgreSQL
Hello Friends, In this Video we learn about "Usage of 'Sub-Query' with Where, From, Select, Insert Operations in PostgreSQL".
This subquery is designed to retrieve details of employees who have the highest salary within a PostgreSQL database. By nesting a query within the main query, it first identifies the maximum salary value across all employees
Whether you are a beginner or an experienced SQL user, this presentation will provide valuable insights and practical examples to enhance your skills. For the reference, we have used pgAdmin to run the queries.
Also, it is important to note that the most crucial things are sorted when you start practicing on your end. So, keep learning :)
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