Sunday, August 23, 2015

Counting records in Progress 4GL

Basically I am a SQL based programmer and I had to struggle for getting the number or records fetched in a query in Progress 4GL. I heard there is a function COUNT in 4GL also likely to SQL for counting records, but I found it compromising execution time than the normal FOR EACH loop. Lets have a look on either approaches to count records in 4GL with consideration of execution time.

Scenario:
Lets say, I have a table named 'cm_mstr' with 180,000 customer records. We will examine each of the methods for counting those 180,000 along with performance.

Using FOR EACH:



















Using COUNT:



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