use of Oracle SQL feature not in SQL92 string Level

Try the following links for this error:

http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm

http://docs.oracle.com/cd/E16655_01/server.121/e17209/statements_2014.htm

https://community.oracle.com/message/2075845

https://community.oracle.com/message/2022549

https://community.oracle.com/message/1708772

https://community.oracle.com/message/3803969

https://community.oracle.com/message/636378

https://community.oracle.com/message/11267993

https://community.oracle.com/message/2025568

https://community.oracle.com/message/4497062

https://community.oracle.com/message/1117811

https://community.oracle.com/message/9185706

https://community.oracle.com/message/1228927

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