How To Write Text Literals


How To Write Text Literals? - Oracle DBA FAQ - Understanding SQL Basics



There are several ways to write text literals as shown in the following samples:

SELECT '' FROM DUAL -- The most common format

SELECT 'It''s Sunday!' FROM DUAL -- Single quote escaped
It's Sunday! 

SELECT N'Allo, C''est moi.' FROM DUAL -- National chars
Allo, C'est moi.

SELECT Q'/It's Sunday!/' FROM DUAL -- Your own delimiter
It's Sunday!

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