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Write routines and methods in MultiValue; access data stored in MultiValue format; generate MVBasic client classes; write to the mv.log file.
Background Information
MultiValue is a programming language and database.
Available Tools
Caché MVBasic
Enables you to write programs in an implementation of MultiValue, within the Caché environment. Support for MultiValue is provided by %MV.Adaptor and other classes in the %MV package.
See Caché MultiValue Basic Reference and other MVBasic books.
For information on the relationship of Caché MVBasic and the rest of Caché, see the Caché Programming Orientation Guide.
Availability: All MV-enabled namespaces.
%SYSTEM.MV class
Provides access to MultiValue system-level functions and elements for ObjectScript and MVBasic programmers. This class provides methods like the following:
Availability: All namespaces.
%Projection.Java class
Generates a MVBasic client class to enable access to the class from MVBasic.
For information on projections, see Class Projections in Using Caché Objects and Adding Projections to a Class in Using Studio.
Availability: All namespaces.
%SYS.System class
Provides the WriteToMVLog() method, which you can use to write to the mv.log file.
Availability: All namespaces.
The special variable $SYSTEM is bound to the %SYSTEM package. This means that (for ObjectScript) instead of ##class(%SYSTEM.class).method(), you can use $SYSTEM.class.method().

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