QUESTION 27 OF 27

In Oracle, do you understand what a join is and what the various types of joins are?

As a software developer that utilizes Oracle databases, your interview will expect that you have a strong working knowledge of concepts within oracle. One such concept is joins. Let your interviewer know that you understand that join is used to combine columns from multiple tables based on values within the columns to allow you to query data from those multiple tables. Then, explain what you know about left, right, inner, full outer and cross joins.

"Having worked with Oracle for the past five years, I have a strong experience in using join to query data from multiple tables within the system. I have written queries utilizing left and right join, but the majority of my work in my current role utilizes inner join. This query looks to select data that is common in multiple tables and has been extremely useful in healthcare related software."

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Meltwater Group Mock Interview

In Oracle, do you understand what a join is and what the various types of joins are?

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