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link to What is the SQL MAX() Function & How to Use It?

What is the SQL MAX() Function & How to Use It?

Most interviewers in project management industries will expect you to be able to answer fundamental questions from the SQL and database. This way they'll be able to prove your relevance in their...

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link to What is an Instance Variable in Java?

What is an Instance Variable in Java?

You may expect an interview concerning Java programming and are wondering what kinds of questions to expect. Java's instance variable will likely pop up during such a discussion.?Therefore, in this...

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link to How Does Referential Integrity Work?

How Does Referential Integrity Work?

Databases form an integral part of most organizations as they help us?store, manipulate, organize, and access data. In a database interview, most interviewers ask about?how referential integrity...

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link to How Can the Correlated Subquery be Efficient?

How Can the Correlated Subquery be Efficient?

A SQL correlated subquery is just a query that carries over values from the outer query. This means that there is a WHERE statement using data from the outer query, or the first query....

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link to How to Use the CASE Statement in SQL

How to Use the CASE Statement in SQL

SQL as a scripting language is a valuable tool for data analysis. In case you are looking forward to an interview on SQL, make sure to sharpen your knowledge of how to use the case statement in SQL....

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link to Inner Join vs Outer Join: What is the Difference?

Inner Join vs Outer Join: What is the Difference?

Are you looking forward to a programming interview soon? Then take a few moments to look over one of the most common question interviewers will ask you. The dissimilarity between inner join vs outer...

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