what is the output of select * from emp where null=null &
select * from emp where 1=1

Answer Posted / bhavish

1.statament "no rows select"
2.statament "the 14 rows displayed
why because the true condition and null values are different

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Describe varray?

584


How to write numeric literals in oracle?

605


What are the uses of synonyms?

603


How do you get nicely formatted results from an oracle procedure that returns a reference cursor?

546


Is oracle a language?

522






What is the quickest way to export a table to a flat file?

568


Is a rollback possible to any savepoint?

556


22. Display the order number, number of lines in the order, total number of items and total value for all orders that have a total value greater than $100

1602


What is ordinary table in oracle?

647


State the difference along with examples between Oracle 9i, Oracle 10g and Oracle 11i.

603


What are the four Oracle system processes that must always be up and running for the database to be useable?

589


What is a connect identifier?

536


What is backup in Oracle?

567


An automatic job running via DBMS_JOB has failedKnowing only that its failed, how do you approach troubleshooting this issue?

1616


What is the sid in oracle?

534