MySQL create procedure example
Here is an example of creating a stored procedure in MySQL.
- First connect to MysQL server using below command.
mysql -u root -p
The command mysql -u root -p
is used to connect to a MySQL database server as the root user from the command line interface.
-
Choose batabase using
use mydb;
statement if already exist or create new one usingcreate database mydb;
. -
Change delimiter from ; to //
delimiter //
- Create procedure using below sql statement.
create procedure calculate_tax(in subtotal decimal(10,2), out total decimal(10,2), inout tax_rate decimal(10,2) ) begin declare tax decimal(10,2); set tax = subtotal * (tax_rate / 100) ; set total = subtotal + tax ; if subtotal > 1000 then set tax_rate = 10; end if ; return total, tax_rate; end //
- Call the procedure
call calculate_tax(1000, @total, @tax_rate);
If you like what you are reading, please consider buying us a coffee ( or 2 ) as a token of appreciation.
Don't forget to share this article! Help us spread the word by clicking the share button below.
We appreciate your support and are committed to providing you valuable and informative content.
We are thankful for your never ending support.
Random Code Snippet Queries: Sql
- SQL query to delete records older than 6 months
- Check constraint in MySQL
- How to Rename column name in MySql ?
- Create column after a column in existing table using query in MySQL
- Get full name of a person in SQL using function
- Change existing MySQL table column id to autoincrement
- Create Index in MySQL with example
- Difference between SQL and NoSQL databases
- How to create view in MySQL database
- Clear the terminal screen in MySQL within the Windows powershell
- How to create function in MySQL ?
- Cannot drop index 'fk_role_id': needed in a foreign key constraint
- How to get the list of all constraints in MySQL database
- SQL query to delete all rows older than 30 days
- How to retrieve data from two tables with one SQL statement
- Insert multiple rows in a single MySQL query
- How to create a new table from existing table in SQL
- How to check column exists or not in table using MySQL
- Self join in mysql employee manager example
- Get create table Query from existing table in phpMyAdmin
- 1553 Cannot drop index 'posts_user_id_foreign': needed in a foreign key constraint
- How to get yesterday's date in MySQL ?
- How to check the MySQL version
- Get number of connections being used by a specific user in MySQL
- Create Employee table in MySQL