I want to use the wm_concat function to convert multiple columns to one row, but I found no

View the database version:

Select * from V $ version;

1 Oracle Database 11g Enterprise Edition Release 11.1.0.7.0-64bit Production
2PL/SQL release 11.1.0.7.0-Production
3 "core11.1.0.7.0production"
4tns for Linux: Version 11.1.0.7.0-Production
5 nlsrtl version 11.1.0.7.0-Production

 

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You can execute owminst. PLB to create

 

Ceate wmsys and related objests

$ ORACLE_HOME/rdbms/admin/owminst. PLB

The method is as follows:

Http://www.cnblogs.com/huak/p/3990575.html

I want to use the wm_concat function to convert multiple columns to one row, but I found no