27 Feb 19 · DataFreak · #Bigquery ·   Bookmark   ×

Google Bigquery : Concatenate values from two Columns

Problem 🔍

When trying to concatenate values from two columns in Bigquery, It throws the below error message:

Select  Column1 + '.' + Column2;
Error: No matching signature for operator + for argument types: STRING, STRING. 
Supported signatures: INT64 + INT64; FLOAT64 + FLOAT64; NUMERIC + NUMERIC at [3]

Solution 💡

To Concatenate two strings in Bigquery use the CONCAT function:


Make sure all the columns or expression used within the CONCAT function are of STRING Datatype


posted on 27 Feb 19

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