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Posts by Raymond R.

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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link to 15 HTML5 Interview Questions and Answers

15 HTML5 Interview Questions and Answers

Having cleared your course in HTML5 language, you are faced with the hard part of getting a job. As daunting as an interview may appear, it is quite possible to ace it. All it takes is proper...

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link to What’s Java Reflection and How Does it Work?

What’s Java Reflection and How Does it Work?

Are you pursuing a programming career with Java? Interviews concerning Java can vary from technical and non-technical. In this article, we shall look at one of the most common technical java...

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