OpenEdge Getting Started: Multi-tenancy Overview - Product ...

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Preface Purpose Audience Organization The purpose of this book is to provide an introduction to OpenEdge® multi-tenancy. It will provide concepts and overview, definitions and terms, and pointers to other more detailed documentation. This books is intended for anyone interested in a high-level understanding of OpenEdge multi-tenancy. Chapter 1, “Introducing multi-tenancy” Introduces multi-tenancy, discusses advantages, and the basics of how OpenEdge multi-tenancy works. Chapter 2, “Multi-tenant feature capabilities” Introduces the feature capabilities and some of the tools created or enhanced for managing multi-tenant databases. Chapter 3, “Multi-tenancy and ABL” Discusses the changes in ABL that support multi-tenancy. Chapter 4, “Multi-tenancy and OpenEdge SQL” Discusses the changes in OpenEdge SQL that support multi-tenancy. Chapter 5, “Multi-tenancy documentation map” Provides a map to the many other locations in the documentation that discuss multi-tenant topics in greater detail. Chapter 6, “Glossary of terms” Defines terms introduced with multi-tenancy. 6 OpenEdge Getting Started: Multi-tenancy Overview
Using this manual Preface OpenEdge provides a special purpose programming language for building business applications. In the documentation, the formal name for this language is ABL (Advanced Business Language). With few exceptions, all keywords of the language appear in all UPPERCASE, using a font that is appropriate to the context. All other alphabetic language content appears in mixed case. For the latest documentation updates see the OpenEdge Product Documentation Overview page on PSDN: http://communities.progress.com/pcom/docs/DOC-16074. References to ABL compiler and run-time features ABL is both a compiled and an interpreted language that executes in a run-time engine. The documentation refers to this run-time engine as the ABL Virtual Machine (AVM). When the documentation refers to ABL source code compilation, it specifies ABL or the compiler as the actor that manages compile-time features of the language. When the documentation refers to run-time behavior in an executing ABL program, it specifies the AVM as the actor that manages the specified run-time behavior in the program. For example, these sentences refer to the ABL compiler’s allowance for parameter passing and the AVM’s possible response to that parameter passing at run time: “ABL allows you to pass a dynamic temp-table handle as a static temp-table parameter of a method. However, if at run time the passed dynamic temp-table schema does not match the schema of the static temp-table parameter, the AVM raises an error.” The following sentence refers to run-time actions that the AVM can perform using a particular ABL feature: “The ABL socket object handle allows the AVM to connect with other ABL and non-ABL sessions using TCP/IP sockets.” References to ABL data types ABL provides built-in data types, built-in class data types, and user-defined class data types. References to built-in data types follow these rules: • Like most other keywords, references to specific built-in data types appear in all UPPERCASE, using a font that is appropriate to the context. No uppercase reference ever includes or implies any data type other than itself. • Wherever integer appears, this is a reference to the INTEGER or INT64 data type. • Wherever character appears, this is a reference to the CHARACTER, LONGCHAR, or CLOB data type. • Wherever decimal appears, this is a reference to the DECIMAL data type. • Wherever numeric appears, this is a reference to the INTEGER, INT64, or DECIMAL data type. References to built-in class data types appear in mixed case with initial caps, for example, Progress.Lang.Object. References to user-defined class data types appear in mixed case, as specified for a given application example. OpenEdge Getting Started: Multi-tenancy Overview 7
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Page 31 and 32: Introducing multi-tenancy This chap
Page 33 and 34: What are the advantages of multi-te
Page 35 and 36: How does data access work? How does
Page 37 and 38: How does data access work? Figure 2
Page 39 and 40: How does data access work? The numb
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Page 47 and 48: Database utilities Database utiliti
Page 49 and 50: Auditing Auditing For multi-tenant
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Page 53 and 54: Multi-tenancy and ABL Support for m
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Super-tenant data updates ABL Suppo
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ABL Support Groups also have identi
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Entity interface members ABL API fo
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Multi-tenancy and OpenEdge SQL Open
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DBA use cases DBA use cases The fol
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Alter a tenant To alter a tenant, r
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Super tenant use cases Super tenant
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Update rows of a tenant partition S
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SQL utility use cases Writing schem
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Multi-tenancy documentation map Thi
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Glossary of terms This chapter prov
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Multi-tenant objects A tenant can b
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Table types Tenants Table types Use
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