PostgreSQL is an open-source, free relational database management system emphasizing SQL compliance and extensibility. It is an advanced open-source relational database for enterprise-class that supports non-relational and relational querying.
This test measures an individual’s proficiency in PostgreSQL and different querying methodologies, including relational and non-relational querying. These individuals will assist your organization in dealing with relational databases like PostgreSQL in a streamlined manner.
- Write SQL query using GROUP by
- Write SQL query using CROSS Join
- Write SQL query using NOT IN
- Write SQL query using Nested queries
- SQL Server Managers
- SQL Server Administrators
- PostgreSQL Managers
- PostgreSQL Server Administrators
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