wilamowski-b-m-irwin-j-d-industrial-communication-systems-2011

Development of Interactive Web Pages 62-9
To view tables, type the following command.
mysql> SHOW TABLES;
62.4.3 Modifying Tables
To delete a table, type
mysql> DROP TABLE ;
To insert data into a table, type
mysql> INSERT INTO
(column1, column2, …)
VALUES (value1, value2, …);
Example:
mysql> INSERT INTO employeeinfo
(LastName, FirstName, Department, Employee_ID)
VALUES (Rives, John, Sales, 2);
To update data stored in a database table, type
mysql> UPDATE SET
=, …
WHERE ;
Example:
mysql> UPDATE employeeinfo SET FirstName='Johnny' WHERE
LastName='Rives' AND Employee_ID=2;
To delete a record from the table
mysql> DELETE FROM table_name WHERE some_column=some_value;
Example:
mysql> DELETE FROM employeeinfo WHERE LastName='Tent';
To delete all rows
DELETE * FROM employeeinfo;
62.4.3.1 to View Data
The SELECT command is used for viewing data stored in your database tables.
Syntax:
SELECT column_name(s) FROM table_name;
Example 1: To display data from columns LastName and Department.
mysql> SELECT LastName, Department from employeeinfo;
© 2011 by Taylor and Francis Group, LLC