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How to avoid unlimited use of bulk collect?
Consequently, you should avoid this sort of “unlimited” use of BULK COLLECT. Instead, move the SELECT statement into an explicit cursor declaration and then use a simple loop to fetch many, but not all, rows from the table with each execution of the loop body, as shown in Listing 1.
When do you need to use bulk exceptions?
The issue is when the size of one of the columns (returned by SELECT) is more than that of the same in the Object than the complete SELECT fails. We want these error rows to be captured and rest of the statement to be processed. As you have stated above Bulk Exceptions is of no help.
How does the bulk collect concept work in Excel?
The bulk collect concept loads the entire data into the target collection variable as a bulk i.e. the whole data will be populated into the collection variable in a single-go.
Why are the last 27 rows left out in bulk collect?
With BULK COLLECT, however, that line of code can result in incomplete data processing, precisely as you described. Let’s examine what is happening when you run your program and why those last 27 rows are left out. After opening the cursor and entering the loop, here is what occurs: 1. The fetch statement retrieves rows 1 through 100.
Consequently, you should avoid this sort of “unlimited” use of BULK COLLECT. Instead, move the SELECT statement into an explicit cursor declaration and then use a simple loop to fetch many, but not all, rows from the table with each execution of the loop body, as shown in Listing 1.
When to use bulk collect in PL / SQL?
The bulk collect concept loads the entire data into the target collection variable as a bulk i.e. the whole data will be populated into the collection variable in a single-go. But this is not advisable when the total record that needs to be loaded is very large, because when PL/SQL tries to load the entire data it consumes more session memory.
Which is an example of Forall in bulk collect?
The term ‘n’ indicates the sequence of value in the collection, for which the row count is needed. Example 1: In this example, we will project all the employee name from emp table using BULK COLLECT and we are also going to increase the salary of all the employees by 5000 using FORALL.