pl sql have object oriented features

... vòng lặp PL/ SQL? Các kiểu vòng lặp có sẵn PL/ SQl là: • Lệnh loop-exit • Lệnh while-loop • Lệnh for-loop Phân biệt trỏ (cursor) ngầm trỏ tường minh? Cursor ngầm đòa không đặt tên lệnh SQL xử lý ... trỏ tường minh? Cursor ngầm đòa không đặt tên lệnh SQL xử lý Oracle và/hay chế thực thi PL/ SQL Mọi lệnh SQL thực cursor ngầm, bao gồm lệnh update, insert, delete lệnh select không thực cursors ... cursor tường minh, developer có toàn quyền điều khiển thực lệnh DECLARE CURSOR employee_cursor IS SELECT * FROM employee; ...

Ngày tải lên: 22/08/2012, 09:51

... Object- oriented development     Object- oriented analysis, design and programming are related but distinct OOA is concerned with developing an object model of the application domain ... Chapter 14 Slide Objects and object classes    Objects are entities in a software system which represent instances of real-world and system entities Object classes are templates for objects They ... create objects Object classes may inherit attributes and services from other object classes ©Ian Sommerville 2004 Software Engineering, 7th edition Chapter 14 Slide Objects and object classes An object...

Ngày tải lên: 14/09/2012, 11:27

... the previous work We have introduced about the object search problem which have been interested in by many scientists In this chapter, we discuss plausible solutions, which have been proposed recently ... 2.1.1.1 Object- level Information Extraction The task of an object extractor is to extract metadata about a given type of objects from every web page containing this type of objects For example, ... Object Warehouse Pop rank Product Web Object Warehouse Object Relevance Object Categorization Figure System architecture of Object Search based on IE 2.1.1.3 Object retrieval After information extraction...

Ngày tải lên: 23/11/2012, 15:04

... Principles leading to good design Design Principle 1: Divide and conquer Design Principle 2: Increase cohesion where possible Design Principle 3: Reduce coupling where possible Design Principle ... notions of object- oriented programming, although Chapter gives a brief review of these concepts We have selected Java as the language used for programming examples since it is a complete, simple and ... the object- oriented paradigm, a running program can be seen as a collection of objects collaborating to perform a given task Figure 2.1 summarizes the essential difference between the object- oriented...

Ngày tải lên: 18/08/2013, 14:35

... 4: Object- Oriented Analysis and Design Software Methodologies The Elements of a Software Project The Essence of Object- Oriented Analysis Object Discovery Evaluate Candidate Objects Determine Object ... is object orientation? What is the UML? What is Object- Oriented Analysis and Design? How you OOAD? What are object- oriented development methodologies? How you use Java to write truly object- oriented ... programs are not necessarily object- oriented Figure 1-1 A Randomly Planned House Object- oriented programming works much better when it is used together with an object- oriented analysis and design...

Ngày tải lên: 22/08/2013, 14:52

... Concepts? Okay, how does C# implement object- oriented programming? In a sense, this is the wrong question C# is an object- oriented language; however, it doesn’t implement object- oriented programming — ... no objects and no abstractions behind which to hide inherent complexity Preparing object- oriented nachos In an object- oriented approach to making nachos, I would first identify the types of objects ... But what is object- oriented? Do I have it? Can I get it? Do I want it? Part IV demonstrates the features of C# that make it object- oriented to the core Not only will you be programming objects,...

Ngày tải lên: 04/10/2013, 21:20

... let myObject = new Sub() printfn "myObject.state = %i, myObject.otherState = %i" myObject.state myObject.otherState The results of this example, when compiled and executed, are as follows: myObject.state ... myOtherObject = new Sub1(1) 7575Ch05.qxp 4/27/07 1:02 PM Page 101 CHAPTER I OBJECT- ORIENTED PROGRAMMING printfn "myObject.state = %i, myObject.otherState = %i" myOtherObject.state myOtherObject.otherState ... (except from System .Object) Object Expressions Object expressions are at the heart of succinct object- oriented programming in F# They provide a concise syntax to create an object that inherits...

Ngày tải lên: 05/10/2013, 10:20

... Relational Technology and Simple SQL SELECT Statements ORACLE8i SQL AND PL/ SQL EXAM OBJECTIVES OFFERED IN THIS CHAPTER: Overview of relational databases, SQL, and PL/ SQL: Discuss the theoretical ... Oracle Application Developer This track tests your skills in client-server application development using Oracle application development tools, such as Developer/2000, SQL, PL/ SQL, and SQL* Plus The ... Introduction to Oracle: SQL and PL/ SQL exam This exam is part of the Database Administrator track, as well as the Application Developer track It teaches you the basics of Oracle, SQL, and PL/ SQL Each chapter...

Ngày tải lên: 16/10/2013, 13:15