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Can anyone plz let me know the output for this query?
select 1 from dual
minus
select 'a' from dual;
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Answer / swati
This will produce Error
ORA-01790: expression must have same datatype as
corresponding expression
because 1 is number and a is string
| Is This Answer Correct ? | 14 Yes | 0 No |
Answer / abhishek rao maidarkar
Error.
To use MINUS or any other SET operators the
SELECT ...... clause should have same kind of variables.
| Is This Answer Correct ? | 1 Yes | 0 No |
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Can anyone plz let me know the output for this query? select 1 from dual minus select 'a' from dual;
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