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OpenEdge Advanced Business Language, or OpenEdge ABL for short, is a business application development language created and maintained by Progress Software Corporation (PSC). The language, typically classified as a fourth-generation programming language, uses an English-like syntax to simplify software development.^[1] The language was called PROGRESS or Progress 4GL up until version 9, but in 2006 PSC changed the name to OpenEdge Advanced Business Language (OpenEdge ABL) in order to overcome a presumed industry perception that 4GLs were less capable than other languages.^[2] A subset of the language, called SpeedScript, is used in the development of web applications.^[3]

OpenEdge ABL helps developers to develop applications optionally using its own integrated relational database and programming tool. These applications are portable across computing systems and allow access to various popular data sources without having to learn the underlying data access methods. This means that the end-user of these products can be unaware of the underlying architecture.

1. OpenEdge Advanced Business Language, or OpenEdge ABL for short, is a business application development language created and maintained by Progress Software Corporation (PSC). The language, typically classified as a fourth-generation programming language, uses an English-like syntax to simplify software development.
2. Progress (NASDAQ: PRGS) offers the leading platform for developing and deploying strategic business applications. We enable customers and partners to deliver.
3. Mobility and High Productivity App Dev Cognitive Services Data Connectivity and Integration UI Tools Web Content Management OpenEdge. Of Progress Software.
4. Please see solution: 000001022, Announcing the availability of OpenEdge Management 10.2A and OpenEdge Explorer 10.2A.for additional information. The below link leads to a webinar which introduces OpenEdge Explorer and also includes a demonstration which demonstrates how to get started with the OpenEdge Explorer product.

By combining a fourth generation language and relational database, OpenEdge ABL allows the use of the Rapid Application Development (RAD) model for developing software. A programmer and even end users can do rapid prototyping using the integrated and GUI tools of the development environment.

• 3Examples

History[edit]

The original Progress 4GL was designed (in 1981) as an architecture independent language and integrated database system that could be used by non-experts to develop business applications by people who were not computer scientists but were knowledgeable in their business domain. At the time, business applications were often written in COBOL (for machines like corporate IBM mainframes) and sometimes in C (for departmental minicomputers running the UNIX operating system). When the IBM PC became popular, there developed a need for business software that could be used on those and other inexpensive computers. The Progress system was created to be used on both IBM PC machines running DOS and on a variety of computers that could run UNIX.

Syntax and semantics[edit]

Progress ABL is a strongly typed, late-bound, English-like programming language. Although initially designed as a procedural language, starting with version 10.1 it was enhanced with object-oriented grammar elements, which can be mixed with the original procedural style. A block of code may have a transaction scoped to it, in which case database changes will be committed when it completes. An error raised within such a block will undo these changes. These defaults may be overridden by the programmer.

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Simple programs run without a Graphical User Interface, but there is syntax to create one programatically; or programmers can use the provided tools to build one.

Examples[edit]

Hello World[edit]

The following ABL code creates a window with the text 'Hello, World!' and a button labelled 'OK'.

Welcome to SM64Hacks! We have the greatest collection of all hacks and modifications of Super Mario 64, then game we all love. Get ready for new levels, new. Super Mario 64 Hacks: Displaying 51 - 100 of 104 Pages: 1 2 3: Filter Results - Gallery View - Show Waiting Files (8) - Submit File Name - Date: Difficulty: Demo: Length. SM64 RAM Map. SM64 ROM Map. SM64 Textures. Sm64 rom hacks online. SM64Hacks Hacks Database This is a simple open access database of every Super Mario 64 ROM Hack. This web application contains tools to view, search, add, and edit data of known ROM Hacks. Super Mario 64 Hacks: Displaying 1 - 50 of 104 Pages: 1 2 3: Filter Results - Gallery View - Show Waiting Files (8) - Submit File Name - Date: Difficulty: Demo: Length: Authors. SM64 ROM Map. SM64 Textures. Follow Us On. Super Mario 64 ROM Hacks series Games Discord Streams Forum. Moderated by: MarvJungs MarvJungs, Spaceman Spaceman, FrostyZako FrostyZako, T o m a t o b i r d 8 T o m a t o b i r d 8, sizzlingmario4 sizzlingmario4.

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A message-box can be used to achieve the same effect:

Also, you can use ERROR and WARNING instead of INFO to change the message icons.

The simplest 'Hello, World' program, though, is this:

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SQL SELECT equivalent[edit]

The SQL statement:

(along with your chosen language connection and display procedures) can be expressed in Progress / ABL as:

The END statement is optional in a program of this level of simplicity.

SQL UPDATE equivalent[edit]

The SQL statement:

(again, along with your chosen language connection and display procedures) can be expressed in Progress / ABL as:

.(Some assumptions have been made about indexing, locking and transaction scoping in order to keep this example simple.)

Notes[edit]

1. ^Campbell, John, Programmer's Progress, a guide to the progress language. white star software, 1991
2. ^Salvador Vinals, Introducing OpenEdge Advanced Business Language (ABL), PSC whitepaper, 2007
3. ^Crawford, G. WebSpeed Complete, Innov8 Computer Solutions, ISBN0-9718679-0-9

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References[edit]

• Sadd, J. OpenEdge Development: Progress 4GL Handbook, Progress Software Corporation, ISBN0-923562-04-4, ISBN978-0-923562-04-5
• Kassabgi, G. Special Edition : Using Progress, Que Publishing, ISBN0-7897-0493-5

External Links[edit]