Page 120 - Computer Software Application TP - Volume 1
P. 120

COMPUTER SOFTWARE APPLICATION - CITS



           EXERCISE 32 :  Creating and executing MySQL table

                                       level Triggers


            Objectives

            At the end of this exercise you shall be able to
           •  create the table level triggers
           •  use the table level triggers
           Requirements

           Tools/Materials
           •   Desktop/Laptop with latest configuration
           •   Operating system: window 10:11
           •  XAMPP server r3.3.0

           Procedure


           TASK 1 :Create & execute triggers
           1  Connect to Your Database –
           mysql -u your username –p
           Enter your password when prompted.
           Select Your Database –
           USE your database name;

           Replace your database name with the name of your actual database.













           2  Create a table –
           Let’s create a simple table for this example:
           CREATE TABLE example table (
               id INT PRIMARY KEY AUTO INCREMENT,

               data VARCHAR(255),
               created at TIMESTAMP DEFAULT CURRENT TIMESTAMP
           );
















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 CITS : IT & ITES - Computer Software Application - Exercise 31
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