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Oracle. Comparing string with NULL
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| declare | |
| v_string varchar2(4000) := ''; | |
| begin | |
| if v_string = '' then | |
| raise_application_error(-20000, 'It''s not working!'); | |
| else | |
| raise_application_error(-20000, 'Hey, this is empty string!'); | |
| end if; | |
| end; | |
| / |
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