SELECT NULLIF('testing','testing') FROM DUAL ;
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Keep practicing — related questions
- SELECT NVL(null,'testing') FROM DUAL ;
- What will be the result of the given query? SELECT NULLIF(4,4) from dual
- SELECT NVL2('first','second','testing') FROM DUAL ;
- select * from dual ?
- SELECT NVL2(null,'second','third') FROM DUAL ;
- select nvl2(exp1,exp2,exp3) from dual. In this if exp1 is null,what will be the output?
- select dummy from dual ?
- what is the output of the the query: select 'Sql' from dual where null = null;