微前端架构如何改变企业的开发模式与效率提升
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2024-01-03
这篇文章主要为大家展示了“数据库中如何批量禁用和启用外键、触发器”,内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下“数据库中如何批量禁用和启用外键、触发器”这篇文章吧。
SET SERVEROUTPUT ON SIZE 100000
BEGIN
for c in (select alter table "||t.owner||".||t.table_name || disable constraint ||t.constraint_name as v_sql
from dba_constraints t where t.constraint_type = R and owner in (CCOD,RECORD,UCDS)
) loop
DBMS_OUTPUT.PUT_LINE(C.V_SQL);
begin
EXECUTE IMMEDIATE c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
for c in (select alter trigger " || t.owner || ". || t.trigger_name ||
disable as v_sql
from dba_triggers t
where owner in (CCOD,RECORD,UCDS)) loop
dbms_output.put_line(c.v_sql);
begin
execute immediate c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
end;
/
--启用脚本
SET SERVEROUTPUT ON SIZE 100000
BEGIN
for c in (select alter table "||t.owner||".||t.table_name || enable constraint ||t.constraint_name as v_sql
from dba_constraints t where t.constraint_type = R and owner in (CCOD,RECORD,UCDS)) loop
DBMS_OUTPUT.PUT_LINE(C.V_SQL);
begin
EXECUTE IMMEDIATE c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
for c in (select alter trigger " || t.owner || ". || t.trigger_name ||
enable as v_sql
from dba_triggers t
where owner in (CCOD,RECORD,UCDS)) loop
dbms_output.put_line(c.v_sql);
begin
execute immediate c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
end;
/
以上是“数据库中如何批量禁用和启用外键、触发器”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注亿速云行业资讯频道!
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