Question: UNION Set Operator
Check your understanding of using UNION in SQL.
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Question
Let’s say you’re part of a team that is managing a database, consisting of three tables, for your company. One of the table is Employees
, which holds important details like names and salaries. The second table, Skills
, contains information about the employee’s skills. The third table is named Projects
, and it holds the information regarding the projects. The table structures are as follows:
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