题
如何删除所有用户表中的Oracle?
我有限制的问题。当我禁用所有它仍然是没有可能的。
解决方案
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;
END;
/
其他提示
如果你只是想要一个很简单的方法来做到这一点..继承人我已经在过去使用的脚本
select 'drop table '||table_name||' cascade constraints;' from user_tables;
此将打印出一系列降命令用于模式中的所有的表。阀芯这个查询的结果,并且执行它。
来源: https://forums.oracle.com/forums/thread.jspa?threadID=614090
同样,如果你想清除比表的更多,你可以编辑以下,以满足您的需求。
select 'drop '||object_type||' '|| object_name || ';' from user_objects where object_type in ('VIEW','PACKAGE','SEQUENCE', 'PROCEDURE', 'FUNCTION', 'INDEX')
这是为我工作的另一个答案是(信贷的 http://snipt.net/Fotinakis/drop-all-tables-and-constraints-within-an-oracle-schema/ )
BEGIN
FOR c IN (SELECT table_name FROM user_tables) LOOP
EXECUTE IMMEDIATE ('DROP TABLE "' || c.table_name || '" CASCADE CONSTRAINTS');
END LOOP;
FOR s IN (SELECT sequence_name FROM user_sequences) LOOP
EXECUTE IMMEDIATE ('DROP SEQUENCE ' || s.sequence_name);
END LOOP;
END;
请注意,此工程的立即的运行后它。它不会产生,你需要粘贴的地方(像其他的答案在这里)的脚本。它直接运行在DB中。
begin
for i in (select 'drop table '||table_name||' cascade constraints' tbl from user_tables)
loop
execute immediate i.tbl;
end loop;
end;
的最简单的办法是删除拥有与级联命令的对象的用户。
DROP USER username CASCADE
的最简单的方法是将下降表空间然后生成该表的备份。但我宁愿没有这样做。这与亨利的不同之处在于我只是做了复制/粘贴的结果集在我的GUI。
SELECT
'DROP'
,object_type
,object_name
,CASE(object_type)
WHEN 'TABLE' THEN 'CASCADE CONSTRAINTS;'
ELSE ';'
END
FROM user_objects
WHERE
object_type IN ('TABLE','VIEW','PACKAGE','PROCEDURE','FUNCTION','SEQUENCE')
SELECT 'DROP TABLE "' || TABLE_NAME || '" CASCADE CONSTRAINTS;'
FROM user_tables;
user_tables
是包含该用户的所有表的系统表
SELECT子句将产生每个表DROP语句
您可以运行脚本
要除去在Oracle所有对象:
1)动态
DECLARE
CURSOR IX IS
SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE ='TABLE'
AND OWNER='SCHEMA_NAME';
CURSOR IY IS
SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE
IN ('SEQUENCE',
'PROCEDURE',
'PACKAGE',
'FUNCTION',
'VIEW') AND OWNER='SCHEMA_NAME';
CURSOR IZ IS
SELECT * FROM ALL_OBJECTS WHERE OBJECT_TYPE IN ('TYPE') AND OWNER='SCHEMA_NAME';
BEGIN
FOR X IN IX LOOP
EXECUTE IMMEDIATE('DROP '||X.OBJECT_TYPE||' '||X.OBJECT_NAME|| ' CASCADE CONSTRAINT');
END LOOP;
FOR Y IN IY LOOP
EXECUTE IMMEDIATE('DROP '||Y.OBJECT_TYPE||' '||Y.OBJECT_NAME);
END LOOP;
FOR Z IN IZ LOOP
EXECUTE IMMEDIATE('DROP '||Z.OBJECT_TYPE||' '||Z.OBJECT_NAME||' FORCE ');
END LOOP;
END;
/
2)静态
SELECT 'DROP TABLE "' || TABLE_NAME || '" CASCADE CONSTRAINTS;' FROM user_tables
union ALL
select 'drop '||object_type||' '|| object_name || ';' from user_objects
where object_type in ('VIEW','PACKAGE','SEQUENCE', 'PROCEDURE', 'FUNCTION')
union ALL
SELECT 'drop '
||object_type
||' '
|| object_name
|| ' force;'
FROM user_objects
WHERE object_type IN ('TYPE');
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