Script to delete all objects of schema in oracle

First you connect to the schema then run the following script. Suppose if you have one schema with name HR then first connect with HR username and password then run the following script.

Important Note: Never run the script connect with SYS or SYSTEM user it will start drop all the SYS or SYSTEM objects and caused database corruption.
So, Please execute this job carefully. Backup the complete database before run.

Script is used for drop all the object present in Schema Oracle

SET SERVEROUTPUT ON SIZE 1000000
BEGIN
FOR cur_rec IN (SELECT object_name, object_type
FROM user_objects
WHERE object_type IN ('TABLE', 'VIEW', 'PACKAGE', 'PROCEDURE', 'FUNCTION', 'SEQUENCE','SYNONYM','TYPE','DATABASE LINK','TABLE PARTITION')) LOOP
BEGIN
IF cur_rec.object_type = 'TABLE' THEN
EXECUTE IMMEDIATE 'DROP ' || cur_rec.object_type || ' "' || cur_rec.object_name || '" CASCADE CONSTRAINTS';
ELSE
EXECUTE IMMEDIATE 'DROP ' || cur_rec.object_type || ' "' || cur_rec.object_name || '"';
END IF;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.put_line('FAILED: DROP ' || cur_rec.object_type || ' "' || cur_rec.object_name || '"');
END;
END LOOP;
END;
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