What is Save exceptions in bulk collect?
What is Save exceptions in bulk collect?
The SAVE EXCEPTIONS clause allows the bulk operation to continue past any exceptions, but if any exceptions were raised in the whole operation, it will jump to the exception handler once the operation is complete.
How do you handle exceptions in bulk collect?
Key components of bulk DML with exception handling:
- A collection variable to hold the data.
- The FORALL construct which iterates through values in the collection variable.
- The SAVE EXCEPTIONS clause which tracks the exceptions being raised during bulk DML.
Why do we use save exceptions clause during bulk binding?
Description Add the SAVE EXCEPTIONS clause to your FORALL statement when you want the PL/SQL runtime engine to execute all DML statements generated by the FORALL, even if one or more than fail with an error. If you use INDICES OF, you will need to take some care to find your way back to the offending statement.
How does bulk collect work in Oracle?
About BULK COLLECT You can fetch into individual collections (one for each expression in the SELECT list) or a single collection of records. The collection is always populated densely, starting from index value 1. If no rows are fetched, then the collection is emptied of all elements.
What is SQL Bulk_exceptions?
%BULK_EXCEPTIONS An associative array that stores information about any exceptions encountered by a FORALL statement that uses the SAVE EXCEPTIONS clause. You must loop through its elements to determine where the exceptions occurred and what they were. For each index value i between 1 and SQL%BULK_EXCEPTIONS.
What is Pragma Exception_init in Oracle?
The pragma EXCEPTION_INIT associates an exception name with an Oracle error number. You can intercept any ORA- error and write a specific handler for it instead of using the OTHERS handler. A user-defined exception declared within the current scope. PRAGMA. Signifies that the statement is a compiler directive.
What is bulk collect what is use of limit clause in bulk collect?
As LIMIT works as an attribute of the FETCH-INTO statement thus to use it you can add keyword LIMIT followed by a specific numerical digit which will specify the number of rows that the bulk-collect clause will retrieve in one go at the end of FETCH-INTO statement.
What is the max limit for bulk collect in Oracle?
1 Answer. From a syntax point of view, the limit value can’t exceed 2147483647 as it’s a pls_integer .
How do u identify the limit set to bulk collect?
How to Pick the Limit for BULK COLLECT
- Start with 100.
- Test to see if that’s fast enough (likely will be for many cases).
- If not, try higher values until you reach the performance level you need – and you are not consuming too much PGA memory.
How can I bulk collect exceptions in Oracle?
• %BULK_EXCEPTIONS (i).ERROR_CODE holds the corresponding Oracle error code. • %BULK_EXCEPTIONS (i).ERROR_INDEX holds the iteration number of the FORALL statement. • %BULK_EXCEPTIONS.COUNT holds total number of exceptions encountered. In order to bulk collect exceptions, we have to use FORALL clause with SAVE EXCEPTIONS keyword.
How to save exception information in bulk operations?
Bulk Operations that Complete Since Oracle 9i the FORALL statement includes an optional SAVE EXCEPTIONS clause that allows bulk operations to save exception information and continue processing. Once the operation is complete, the exception information can be retrieved using the SQL%BULK_EXCEPTIONS attribute.
When to use save exceptions clause in SQL?
Description Add the SAVE EXCEPTIONS clause to your FORALL statement when you want the PL/SQL runtime engine to execute all DML statements generated by the FORALL, even if one or more than fail with an error. If you use INDICES OF, you will need to take some care to find your way back to the offending statement.
How is exception handling handled in PL / SQL?
(Handling Exception with BULK Collect) PL/SQL provides the different ways of handling exceptions. The Bulk Exceptions are used to save the exception information and continue processing. All exceptions raised during execution are saved in %BULK_EXCEPTION attribute. It also stores a collection of records similar to BULK COLLECT.
