Comparing Blank Padded Literals With CHAR Data Type Column
(Doc ID 2066651.1)
Last updated on AUGUST 16, 2018
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 8.0.6 to 12.1]
Information in this document applies to any platform.
The expression 'A'='A ' (notice the padded blanks) is evaluated to be TRUE when i) literal text is used or ii) a column is used with data type CHAR.
But it is evaluated correctly when the data type is VARCHAR2.
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