SQL Server’s ISNULL() equivalent in PostgreSQL

SQL Server provides an function ISNULL if the value placed in the 2nd parameter if the first parameter passed to the function ISNULL is null.

For example ,

SELECT ISNULL(Designation,’ ‘) from Employee

This will result in the displaying the empty string if the Designation is NULL.

SQL Server’s ISNULL() equivalent in PostgreSQL

The same can be achieved in PostgreSQL using the coalesce function

SELECT coalesce(Designation,' ') from Employee

If you enjoyed this post, please consider leaving a comment or subscribing to the RSS feed to have future articles delivered to your feed reader.

Leave a Reply


Interesting BlogPosts to read

How to insert bullets in to cells in Microsoft Excel ?
Do you want to insert bullets in cells of Microsoft Excel?. Here's how you can do it. How to insert ...
How to resize print area and fit to Single page in Excel 2016 ?
When you try to print a worksheet in Microsoft Excel 2016 , you may notice that the content might ov...
How to find the Created and Last Modified time in Microsoft Excel ?
You can easily find out the exact date and time when the excel workbook was created and modified usi...