SQL Interview Preparation/

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Answer: Using LEFT JOIN

Answer: Using LEFT JOIN

Find a detailed explanation of how to apply LEFT JOIN on tables.

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Solution

The solution is given below:

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/* The query to apply LEFT JOIN */
SELECT    e.EmpName, p.ProjectName
FROM      Employees AS e 
LEFT JOIN Projects AS p ON e.EmpID = p.EmpID;

Explanation

The explanation of the solution code is given below:

  • Line 2: The SELECT query selects EmpName and ProjectName from Employees and Projects, respectively. We use AS to set an alias for the tables.

  • Line 3: The data is retrieved from the Employees ...