Merge pull request #29847 from jovanpop-msft/patch-42

Added declaration of variable

Author: prmerger-automator[bot]

docs/relational-databases/json/import-json-documents-into-sql-server.md

@@ -40,6 +40,7 @@ You can also load the contents of the file into a local variable or into a table
 
 ```sql
 -- Load file contents into a variable
+DECLARE @json NVARCHAR(MAX);
 SELECT @json = BulkColumn
  FROM OPENROWSET(BULK 'C:\JSON\Books\book.json', SINGLE_CLOB) as j