Case sensitivity v15
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 the as dbms_output.put_line('Hello World');
or Dbms_Output.Put_Line('Hello World');
or DBMS_output.Put_line('Hello World');
.
Character and string constants, however, are case sensitive. Data retrieved from the EDB Postgres Advanced Server database or from other external sources is also case sensitive.
The statement DBMS_OUTPUT.PUT_LINE('Hello World!');
produces the following output:
The statement DBMS_OUTPUT.PUT_LINE('HELLO WORLD!');
produces this output: