如何删除所有用户表? [英] How to drop all user tables?
本文介绍了如何删除所有用户表?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何在oracle中删除所有用户表?
How can I drop all user tables in oracle?
我在约束方面有问题.当我禁用所有功能时,仍然是不可能的.
I have problem with constraints. When I disable all it is still no possible.
推荐答案
BEGIN
FOR cur_rec IN (SELECT object_name, object_type
FROM user_objects
WHERE object_type IN
('TABLE',
'VIEW',
'MATERIALIZED VIEW',
'PACKAGE',
'PROCEDURE',
'FUNCTION',
'SEQUENCE',
'SYNONYM',
'PACKAGE BODY'
))
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;
FOR cur_rec IN (SELECT *
FROM all_synonyms
WHERE table_owner IN (SELECT USER FROM dual))
LOOP
BEGIN
EXECUTE IMMEDIATE 'DROP PUBLIC SYNONYM ' || cur_rec.synonym_name;
END;
END LOOP;
END;
/
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