Oracle DUAL table

The following example returns the current operating system date and time

SELECT SYSDATE FROM dual

The following example generates numbers between start_value and end_value

SELECT :start_value + LEVEL -1 n
FROM dual
CONNECT BY LEVEL <= :end_value - :start_value + 1

Conclusion

In this page (written and validated by A. Gawali) you learned about Oracle DUAL table . What's Next? If you are interested in completing Oracle tutorial, your next topic will be learning about: Oracle JOINS.

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