How To Escape Special Characters In SQL Statements

How To Escape Special Characters In SQL Statements


  • 13 Dec, 2011

    There are a number of special characters that needs to be escaped (protected), if you want to include them in a character string. Here are some basic character escaping rules:► The escape character () needs to be escaped as ().► The single quote (') needs to be escaped as (') or ('') in single-quote quoted strings.► The double quote (") needs to be escaped as (") or ("") in double-quote quoted strings.► The wild card character for a single character (_) needs to be escaped as (_).► The wild card character for multiple characters (%) needs to be escaped as (%).► The tab character needs to be escaped as ( ).► The new line character needs to be escaped as ().► The carriage return character needs to be escaped as ().Here are some examples of how to include special characters:SELECT 'It''s Sunday!' FROM DUAL;It's Sunday! SELECT 'Allo, C'est moi.' FROM DUAL;Allo, C'est moi.SELECT 'Mon Tue Wed Thu Fri' FROM DUAL; Mon Tue Wed Thu Fri

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