REMOVE Statement
Removes a class, a package, or a JAR file from a database. Removed classes are no longer available for use as a variable type. Any class, package, or JAR to be removed must already be installed.
Syntax
REMOVE JAVA classes_to_remove classes_to_remove { CLASS <java_class_name> [, <java_class_name> ]… | PACKAGE <java_package_name> [, <java_package_name> ]… | JAR <jar_name> [, <jar_name> ]… [ RETAIN CLASSES ] }
Parameters
- he name of one or more Java classes to be removed. Those classes must be installed classes in the current database.
- he name of one or more Java packages to be removed. Those packages must be the name of packages in the current database.
- a character string value of maximum length 255. Each <jar_name> must be equal to the <jar_name> of a retained JAR in the current database. Equality of <jar_name> is determined by the character string comparison rules of the SQL system.
- the specified JARs are no longer retained in the database, and the retained classes have no associated JAR. If RETAIN CLASSES is specified, this is the only action of the REMOVE statement.
Examples
- remove a Java class named “Demo” from the current
database:
REMOVE JAVA CLASS Demo
Standards
- SQL—Vendor extension to ISO/ANSI SQL grammar.
- SAP Database products—Not supported by SAP ASE. A similar feature is available in an SAP ASE-compatible manner using nested transactions.