- What is the difference between bulk collect and forall?
- What is false about parameterized cursors?
- How do you handle exceptions in bulk collect?
- What is bulk exception?
- Which cursor is faster in Oracle?
- What are ref cursors in Oracle?
- How do I use bulk collect?
- Does bulk collect overwrite?
- What is the difference between record and collection in Oracle?
- How does Oracle handle exceptions in bulk collect?
- What is bulk collect in Oracle?
- Can we use commit inside trigger?
- What are the advantages of bulk binding?
- What is Pragma Autonomous_transaction?
- What is bulk update?
What is the difference between bulk collect and forall?
Bulk collect: is a CLAUSE.
is used to fetch the records from the cursor.
Forall: is a STATEMENT.
is used to do dml operation of fetched records.
The body of the FORALL statement is a single DML statement — an INSERT, UPDATE, or DELETE..
What is false about parameterized cursors?
Parameterized cursors can only reference its own parameters. Parameterized cursors cannot reference local variables. In this example, cursor_id must be used in the select statement because in_id is not within the scope of the cursor.
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.More items…•
What is bulk exception?
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.
Which cursor is faster in Oracle?
The output from the procedure clearly demonstrates that implicit cursors are faster than explicit cursors. The interesting thing is that the implicit cursor is not only faster, but it is actually doing more work, since it includes a NO_DATA_FOUND and a TOO_MANY_ROWS exception check.
What are ref cursors in Oracle?
Using REF CURSOR s is one of the most powerful, flexible, and scalable ways to return query results from an Oracle Database to a client application. A REF CURSOR is a PL/SQL data type whose value is the memory address of a query work area on the database. … A REF CURSOR refers to a memory address on the database.
How do I use bulk collect?