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(a) SELECT SYSDATE – SYSDATE FROM DUAL;
(b) SELECT SYSDATE – (SYSDATE – 2) FROM DUAL;
(c) SELECT SYSDATE – (SYSDATE + 2) FROM DUAL;
(d) None of the Mentioned
The question was asked in my homework.
The above asked question is from Structured Query Language in section SQL Basics of Oracle › Reply To: Which of the following is illegal?
(a) SELECT SYSDATE – SYSDATE FROM DUAL;
(b) SELECT SYSDATE – (SYSDATE – 2) FROM DUAL;
(c) SELECT SYSDATE – (SYSDATE + 2) FROM DUAL;
(d) None of the Mentioned
The question was asked in my homework.
The above asked question is from Structured Query Language in section SQL Basics of Oracle
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