Keywords and user-defined identifiers that are used in an SPL program are case insensitive.
For example, the statement
DBMS_OUTPUT.PUT_LINE('Hello World'); is interpreted to mean the same thing as
However, character and string constants, data retrieved from the PolarDB-O, or data
obtained from other external sources are case sensitive. The following output is generated
DBMS_OUTPUT.PUT_LINE('Hello World!') ; statement:
However, the following output is generated by the
DBMS_OUTPUT.PUT_LINE('HELLO WORLD!') ; statement: