Bulk Collect loop and Cursor Loop

Why there is such a huge performace difference between Collection loop and a cursor Loop? Why collection populated using Bulk collect is way faster? Detailed explaination will be helpful. Thanks

Nikhildhar35 pointsBadges:

BULK COLLECT and FORALL in PL/SQL

How do I update multiple columns in a table using the BULK COLLECT... FORALL methods in PL/SQL.

RangjungDorje20 pointsBadges:

Bulk Collect vs Cursor in Oracle

Hi, I have to process some records in some work table. The no. of records in work table may vary from 100,000 to 4,000,000. To process records in this work table i have to loop through it 1 by 1. So please tell me which is the better option out of these two: 1. Create Cursor for this work table and...

Nikhildhar35 pointsBadges:

COmplex update takes a 90 minutes to run in Oracle

In the following procedure, the update is taking 90 minutes. The client table has 22 million records, the CPDS table has 40 records. It has been written by someone else, I don't have access to Oracle so can't check my thinking, but I believe, if we select the data to be updated into pl/sql tables,...

Abhigreen10 pointsBadges: