On May 15, 2026, I passed the Oracle Certified SQL Silver exam. I decided to take the exam on April 21. 25 days until the test. Thinking "I'll manage somehow," I picked up the Black Book (exam ...

To get the "current month," "previous month," "next month," and "same month last year" in an Oracle database, you mainly use a combination of SYSDATE (system date) and the ADD_MONTHS function. I will ...