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emp_last_name); END; / CREATE TABLE employees_temp AS SELECT first_name, last_name FROM employees; DECLARE x VARCHAR2(20) := 'my_first_name'; y VARCHAR2(25) := 'my_last_name'; BEGIN INSERT INTO employees_temp VALUES(x, y); UPDATE employees_temp SET last_name = x WHERE first_name = y; DELETE FROM employees_temp WHERE first_name = x; COMMIT; END; / statement that is explained in "Using the EXECUTE IMMEDIATE Statement in PL/SQL".For information on the use of PL/SQL records with SQL to update and insert data, see "Inserting PL/SQL Records into the Database" and "Updating the Database with PL/SQL Record Values".

If the item already exists, instead update the stock count of the existing item.If the cursor points to a record that has just been deleted, a new record is created.Be aware that you can't call he cursor does not require us to select the data based on a key; we can just grab all of it.This isolates the update so that no client can see the updated documents until they are all processed, or an error stops the update operation.object, and, in a separate thread, updates the value at the current position of the cursor in the object store.

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