Oracle 视图 ALL_JAVA_CLASSES 官方解释，作用，如何使用详细说明
本站中文解释
ALL_JAVA_CLASSES视图是Oracle数据库提供的一个视图，用于显示数据库中安装的所有Java类的内容。它由3列组成:OWNER,CLASS_NAME和SOURCE_TEXT。
OWNER字段涵盖视图中所列出的每个类的所有者。
CLASS_NAME字段包含正在显示的类的完整名称，该名称可以在Java应用程序中使用。
SOURCE_TEXT字段包含了表示Java类源代码的文本字符串，以及使用数据字典中的DBMS_JAVACLASS.LOADJAVACLASS函数加载到数据库中的任何类文件的JAR。
ALL_JAVA_CLASSES视图可以用于查找特定Java类的内容，以便使用，也可以用于展示系统中所有安装的类。要使用它，用户可以执行SQL查询，以检索一个，多个或所有的Java类的内容的完整列表：
SELECT CLASS_NAME, SOURCE_TEXT FROM ALL_JAVA_CLASSES WHERE OWNER=’owner’;
这个句子将显示拥有者所有的Java类的完整列表，其中包含类的名称和源代码。
官方英文解释
ALL_JAVA_CLASSES displays class level information about the stored Java classes accessible to the current user.
Related Views
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DBA_JAVA_CLASSESdisplays class level information about all stored Java classes in the database. -
USER_JAVA_CLASSESdisplays class level information about the stored Java classes owned by the current user. This view does not display theOWNERcolumn.
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Owner of the Java class |
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Name of the Java class |
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Major version number of the Java class, as defined in the JVM specification |
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Minor version number of the Java class, as defined in the JVM specification |
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Indicates whether the stored object is a Java class ( |
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Accessibility of the Java class |
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Indicates whether this Java class is an inner class ( |
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Indicates whether this Java class is an abstract class ( |
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Indicates whether this Java class is a final class ( |
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Indicates whether this is a static inner class ( |
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Indicates whether the class is declared strict floating point for portability ( |
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Indicates whether this is an inner class generated by the compiler ( |
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Indicates whether this Java class contains debug information ( |
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Source designation of the Java class |
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Super class of this Java class |
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Outer class of this Java class if this Java class is an inner class |
See Also:
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“DBA_JAVA_CLASSES”
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“USER_JAVA_CLASSES”
