I have also covered different scenarios with a practical example that could be possible. In this article, we have learned about SUBSTRING() function and uses with the examples explained clearly. We can get the substring out of any string or column using the substring function given by Snowflake. Yes substring is allowed within the Snowflake. SUBSTRING Snowflake Official Documentation Link Is substring allowed in Snowflake? We want to get the list of country codes from the mobile number.If we want to get the lastname, or surname from the complete name of the customers.Real World Use Case Scenarios for SUBSTRING Function in Snowflake Whenever you want the substring in the reverse order then use the start index as the negative value. Select id,name,substring(name,-2,2) from emp In case if you want to get the substring from a string that too in the reverse order then also you can use the substring function.If we want to get a specific partial string from an expression or string.There are certain use case scenarios when it is recommended to use the substring function within the Snowflake cloud data warehouse which are as follows: When you should use SUBSTRING Function in Snowflake? Select id,name,substring(name,0,4) from emp NAME VARCHAR(30) COMMENT 'NAME OF THE EMPLOYEE', Example: Example to get the substring from a specific string in Snowflake The data type of the returned value is the same as the input data type. The number of characters if the input is Varchar.Length expression evaluates to be an integer that specifies the length required from the start expression.
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