Sql Server Replace Null With Blank

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There are two ways to replace NULL with blank values in SQL Server function ISNULL and COALESCE Both functions replace the value you provide when the argument is NULL like ISNULL column will return empty String if the column value is NULL Similarly COALESCE column will also return blank if the column is NULL . .

ISNULL is a T SQL function that allows you to replace NULL with a specified value of your choice Example Here s a basic query that returns a small result set SELECT TaskCode AS Result FROM Tasks Result Result cat123 null null pnt456 rof789 null We can see that there are three rows that contain null values Syntax syntaxsql REPLACE ( string_expression , string_pattern , string_replacement ) Note To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation. Arguments string_expression Is the string expression to be searched. string_expression can be of a character or binary data type. string_pattern

Sql Server Replace Null With Blank10. Not an expert SQL Server guy. However, Since Microsoft haven't made the same mistake as Oracle where the empty string and NULL are considered the same, this should work: UPDATE TableName SET My_String = '' WHERE My_String IS NULL AND Other_Conditions; Share. Improve this answer. Follow. Select IfNull ColName As ColName From TableName IFNULL is an Oracle extension adopted by many other platforms The standard SQL function is coalesce SELECT COALESCE columnName AS ColumnName FROM tableName UPDATE TABLE NAME SET COLUMN NAME WHERE COLUMN NAME IS NULL not select the result in your TABLE