1.打开oracle客户端工具,链接上数据库
2.执行
create or replace procedure delete_table authid current_user as
TableName VARCHAR2(16);
IsExist int;
SqlSentence VARCHAR2(2048);
begin
-- 删除表的存储过程,手动执行
DBMS_OUTPUT.ENABLE (buffer_size=>null);
for i in 1 .. 2 loop
select to_char(sysdate-i,'yyyyMMdd') into TableName from dual;
TableName := 'T_MT_'||TableName;
dbms_output.put_line('TableName = '||TableName);
select count(1) into IsExist from user_tables where table_name=''||TableName||'';
if ( IsExist = 1 ) then
SqlSentence := 'truncate table '||TableName;
execute immediate SqlSentence;
commit;
SqlSentence := 'drop table '||TableName;
execute immediate SqlSentence;
commit;
dbms_output.put_line('delete = '||TableName);
end if;
end loop;
end delete_table;
3.找到该存储过程,运行