Designing Database Applications with Objects and Rules: The by Stefano Ceri, Piero Fraternali

By Stefano Ceri, Piero Fraternali

Is helping you grasp the most recent advances in glossy database expertise with proposal, a state of the art technique for constructing, preserving, and utilizing database structures. comprises case reviews and examples.

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Alternatively press F6 as a shortcut) and entering the following command in the MySQL console window: CREATE TABLE if not exists emp_log ( id int auto_increment primary key, emp_id int, date_created datetime ); Once the emp_log table is created, we’re ready to define a trigger that will log every employee record we created in the employee table. id, date_created = NOW(); END The screenshot of the Triggers tab is as follows: The Options tab is another useful aide, which lets you modify certain settings of a MySQL table.

Every table row or record will be displayed on a separate page with the fields aligned vertically in that view. Refer to the following screenshot: Creating views Database views are usually used to hide complex details of certain tables and in some cases, they’re used simply as a security mechanism by limiting the data that a user is allowed to retrieve. In this section, I’ll show you how to create a view, in a moment, using Navicat’s view designer. It has a powerful visual editing tool called the View Builder and it allows you to design views visually using point-and-click and drag-and-drop gestures.

Sql file; and reverse-engineer an existing database into visual representations. Chapter 5 , Database Maintenance and Security Management, discusses the essentials of basic DBA functions regarding the security and maintenance of MySQL using Navicat. It walks you through the necessary steps to create and edit MySQL users, manage the access privileges, and perform maintenance tasks, such as database analysis, optimization, and repairs. Chapter 6, Designing Reports with Navicat, discusses report design and provides instructions on the various steps involved in conceiving, creating, and customizing reports based on your MySQL database objects.

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