How many rows will the following SQL return :
Select * from emp Where rownum < 10;
It returns only 9 rows.
Select * from emp Where rownum = 10;
which of the following is better to find the number of rows in a table? 1. count(1) 2. count(*) 3. count(rowid)
How do I can quickly open a 8Gb dsv file with 40 million rows with oracle sql developer? I did it with a best laptop with high cpu speed but it took one day, I'm looking for a faster way...