1. CSE 3330 Database Concepts Stored Procedures

2. How to create a user CREATE USER.. http://dev.mysql.com/doc/refman/5.1/en/create-user.html GRANT PRIVILEGE http://dev.mysql.com/doc/refman/5.1/en/grant.html

3. Find list of users select user from mysql.user; A wealth of information exists in mysql database use mysql; Show tables; Desc user;

4. Stored Procedure SP is a code written in SQL that is compiled and stored on the DB server. Used for repetitive tasks. You can use programming language constructs like variables, loops, assignments, cursors, etc Pre-compiled => Efficient

5. Background Good background http://code.tutsplus.com/articles/an-introduction-to- stored-procedures-in-mysql-5--net-17843 Advantages: -Share logic -Grant users permissions to SP rather than tables -Security -Improved Performance, reduces network traffic

6. Simple SP

7. DELIMITER $$ -- Create a procedure in Oracle. CREATE PROCEDURE hello_world() BEGIN -- Print the phrase and a line return. SELECT 'Hello World!'; END; $$ -- Reset the delimiter back to a semicolon to work again. DELIMITER ; -- Call the procedure. SELECT 'CALL hello_world' AS "Statement"; CALL hello_world();

8. Simple SP DELIMITER ; Why do we change the delimiter?

9. Calling SP

10. SP Examples

11. SP

12. Calling SP from PDO http://www.mysqltutorial.org/php-calling-mysql-stored- procedures/ http://www.php.net/manual/en/mysqli.quickstart.stored- procedures.php http://www.joeyrivera.com/2009/using-mysql-stored- procedures-with-php-mysqlmysqlipdo/

13. Functions Function MUST return a value, Procedure does not have to. Function invoked within an expression, Procedure invoked with Call

14. Looping Constructs http://dev.mysql.com/tech- resources/articles/mysql- storedprocedures.pdf#page=21&zoom=auto,0,792

15. Cursors http://dev.mysql.com/tech- resources/articles/mysql- storedprocedures.pdf#page=35&zoom=auto,0,792

16. How to backup a db MySQL has functions for backing up entire db - includes tables + procedures + functions +.. http://www.thegeekstuff.com/2008/09/backup- and-restore-mysql-database-using-mysqldump/ Backup: $ mysqldump -u root -p sugarcrm > sugarcrm.sql Learn to backup your db regularly

17. How to restore a db http://www.thegeekstuff.com/2008/09/backup- and-restore-mysql-database-using-mysqldump/ Restore: $ mysql -u root -p sugarcrm < /tmp/sugarcrm.sql

18. Triggers A trigger is a SQL statement that is executed (or “fired”) when another event occurs. For example, a trigger may fire when you insert data into a table, update a table, delete a row, etc. Work through the examples: https://dev.mysql.com/doc/refman/5.0/en/trigger- syntax.html