Oracle Web Applications: PL/SQL Developer's Intro: by Andrew Odewahn

By Andrew Odewahn

It is a marvelous booklet, transparent and well-written. it really is easy sufficient for these with no a lot adventure, but in addition offers adequate element when you don't want coddling... certainly, definitely worth the $.

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Oracle Web Applications: PL/SQL Developer's Intro: Developer's Introduction

This can be a very good publication, transparent and well-written. it truly is uncomplicated adequate for these with no a lot event, but additionally presents adequate element in case you don't desire coddling. .. certainly, well worth the $.

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This role, in turn, is granted to the users that need the corresponding privileges. The DBA can add or revoke privileges from a role at any time, and these changes automatically flow to the users assigned to the role. For example, the DBA might create a role called ACCOUNTANT and grant it selected privileges on tables and views owned by the HR account. The role reduces the maintenance on Alice's, Bob's, Cato's, and Xena's accounts to a single grant. 3 shows a typical scenario in which roles are used to create access rights for various classes of users, such as pay clerks, managers, and receivables clerks.

Imagine trying to coordinate a similar system based on Oracle Forms. Use of HTML eliminates the version conflicts, SQL*Net conflicts, and configuration headaches that make being an application developer a real drag. HTML provides some protection from constant change HTML is a non-proprietary, standards-based language. If a browser supports the base HTML language, it can display any HTML document, even if the document is 10 years old. This gives considerable freedom to you as a developer, because as long as browsers support HTML, a user can modify or change his machine however he wants, and your application will still work.

Less privileged users can use ports higher than 1024. 3 The HyperText Transfer Protocol (HTTP) A transfer protocol is a convention that governs how systems exchange information. Take, for example, a phone conversation. ) don't start blurting out whatever comes to mind as soon as they pick up the receiver. Instead, your conversation follows a set pattern that civilized society has agreed upon to make communication more efficient: 1. I initiate a conversation by calling you. 2. " 3. I identify myself.

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