How To Use Comma Separated Value List In Sql Server

The coalesce function takes a list of parameters separated by commas evaluates them and returns the value of the first of its input parameters that is not null.

How to use comma separated value list in sql server. Starting with sql server 2017 you can now make your query results appear as a list. While it s true that you could achieve this same effect prior to sql server 2017 it was a bit fiddly. Value cat dog rabbit. For example if you have following resultset and if you want each of the value of the comma separated string from the last column in a separate row previously you had to use a very complicated function on the column which was a performance killer. We can use the string split function to separate each value into its own row.

This function was first available in sql server 2016 and is available on databases with a compatibility level of 130 or above how to check your database compatibility level and how to change it. Select value from string split cat dog rabbit. This article is applicable to all sql server versions i e. We will learn today how to split comma separated value string in a column using string split. Declare concatstring varchar 4000 select concatstring coalesce concatstring name from fruits select concatstring as fruits go.

Here mudassar ahmed khan explained with an example how to use comma separated delimited string values with in and where clause in sql server. Let s say we have the following comma delimited list. Sql server compatibility level 130 and subsequent versions support a string split function to convert delimiter separated values to rows table format. This creates a user function that takes a comma separated value string and converts it into a table that sql does understand just pass it the sting and it works it all out. This means you can have your result set appear as a comma separated list a space separated list or whatever separator you choose to use.