By which method,i can get the no of rows in the record set?

Does anyone help me that by which method,i can get the no of rows in the record set?
now i use next() to check whether the next record is available or not?

shashi_rajak wrote:
under Practice Exercise #1 heading :
there is a statement.
"Now, the COUNT function does not need to retrieve all of the fields from the table (ie: employee_number, employee_name, and salary), but rather whenever the condition is met, it will retrieve the numeric value of 1. Thus, increasing the performance of the SQL statement."And have you ever tried it? Or do you simply blindly believe everything you read? And what sort of "authority" is "tech on the net"?
P.S. A quick test on Oracle (and you must do each query at least twice throwing away the first result, as Oracle always caches things which will have an effect, and averaging the remaining attempts).
count(*) -- 1 min 17 secs for 35,311,978 rows
count(1) -- 1 min 19 secs for 35,311,978 rows
Edit: And the table has 46 columns.

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