This tutorial helps you get started with PHP and Oracle Database by showing how to build a web application and by giving techniques for using PHP with Oracle.If you are new to PHP, review the Appendix: PHP Primer to gain an understanding of the PHP language.

updating a table using php-80

Subsequent PHP scripts can reuse the already opened connection, making them run faster.

Database Resident Connection Pooling is a new feature of Oracle Database 11g.

This allows you to execute the statement again, without reparsing it with the new value, and can improve performance of your code.

If you don't see the returned rows, you may have deleted these employees in the web application part of the tutorial.

For PHP, Apache runs in a multi-process mode, spawning child processes each of which can handle one PHP script.

Depending how Apache allocated these processes to handle the "ab" requests, you may see a varying number of rows in .

Before starting this Oracle By Example, please have the following prerequisites completed: create sequence emp_id_seq start with 400; create trigger my_emp_id_trigger before insert on employees for each row begin select emp_id_seq.nextval into :new.employee_id from dual; end; / -- -- Also to simplify the example we remove this trigger otherwise -- records can only be updated once without violating the -- PYTHONHOL.

JHIST_EMP_ID_ST_DATE_PK constraint -- drop trigger update_job_history; -- -- Allow employees to be changed when testing the lab after hours.

This can be over-ridden, and the functions used to control transactions.