A White Paper – Solving Relational Division problem in SQL – The Analyst Way

Hi readers..!! Here I go posting a white paper on one of the classical and intellectually challenging problems that an analyst might come across. The paper is titled - "Understanding and Solving Relational Division problems in SQL - The Analyst way". Hope you enjoy reading this paper. Please leave your comments and suggestions, if any, here.... Continue Reading →

Single T-SQL query to swapping the values of two columns without using temporary column

How to swap the values of two columns of a table ? Let me explain the scenario with an example - Let's create a table named "Employees" with columns "First_Name" and "Last_Name". Then populate the table with some fictitious data. Then view the results once and then interchange the values in the "First_Name" and "Last_Name" columns... Continue Reading →

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