1. 编写Java2.使用loadjava导入数据库,loadjava在$Oracle_HOME/bin下loadjava -u <user>/<passwd>@<tns> -resolve -v <java file>这种方法为把sourcecode也load入数据库如果之前已经有load过同一个java程序,需要先dropdropjava -u <user>/<passwd>@<tns> -v <java file>3.核对java已经导入数据库select * from user_source where type LIKE "JAVA%" AND NAME = "<java file>"4. 建立functionCREATE OR REPLACE FUNCTION <FUNCTION_NAME> (<PARAMETER LIST IN ORACLE DATATYPE>) RETURN <ORACLE DATATYPE OF RETURN VARIABLE> AS
LANGUAGE JAVA
NAME "<clase.method>(<parameter list in java datatype>) return java datatype of return variable";附:如果需要java存取文件,需要使用dba用户赋权EXEC Dbms_Java.Grant_Permission("ONBOARDING", "SYS:java.lang.RuntimePermission", "writeFileDescriptor", "");
EXEC Dbms_Java.Grant_Permission("ONBOARDING", "SYS:java.lang.RuntimePermission", "readFileDescriptor", "");
EXEC dbms_java.grant_permission( "ONBOARDING", "SYS:java.io.FilePermission", "<<ALL FILES>>", "execute" );
收回权限的语句如下EXEC Dbms_Java.revoke_Permission("ONBOARDING", "SYS:java.lang.RuntimePermission", "writeFileDescriptor", "");
EXEC Dbms_Java.revoke_Permission("ONBOARDING", "SYS:java.lang.RuntimePermission", "readFileDescriptor", "");
EXEC dbms_java.revoke_permission( "ONBOARDING", "SYS:java.io.FilePermission", "<<ALL FILES>>", "execute" );Oracle 数据库定时执行一些脚本Oracle 中两张表同步的触发器相关资讯 Oracle教程
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