Oracle COMMIT Statement: Behind the Scenes
When you execute COMMIT;, Oracle makes all your DML changes permanent. This seemingly simple statement triggers a complex series of operations involving…
Tag: Oracle Performance Tuning
Oracle UPDATE Statement: Behind the Scenes
When you execute UPDATE employees SET salary = 60000 WHERE employee_id = 101;, Oracle performs a sophisticated series of operations involving undo…
Oracle SELECT Statement: Behind the Scenes
When you execute a simple SELECT * FROM employees WHERE department_id = 10; query, have you ever wondered what happens behind the…
How to Check TEMP Usage in Oracle Database
Temporary tablespace management is a critical aspect of Oracle Database administration. When TEMP tablespace fills up, it can cause queries to fail,…
How to Enable Trace 10053 for a SQL Query in Oracle
Oracle execution plans often show what plan was chosen, but not why.When a query performs poorly and the plan looks correct, trace…
