oracle enable / disable all constraint begin for i in (select constraint_name, table_name from user_constraints where table_name='') LOOP execute immediate 'alter table '||i.table_name||' enable constraint '||i.constraint_name||''; end loop; end; / COMMIT; -- begin for i in (selec...
ORA-02297: cannot disable constraint (ORA1.PK_PTABLE_ID) - dependencies exist 说明:disable novalidate无法直接禁用主键,因为存在外键引用该主键. --先使用disable validate使外键失效 SQL> alter table f_table disable validate constraint fk_ftable_id; alter table f_table disable validate constraint fk_f...
FROM user_constraints WHERE constraint_type ='R' AND status = 'ENABLED' ) LOOP EXECUTE IMMEDIATE 'alter table "' ||i.table_name|| '" disable constraint ' ||i.constraint_name; END LOOP i; FOR i IN (SELECT table_name, constraint_name -- then disable all constraints FROM user_constraint...
constraint. An enabled validated constraint guarantees that all data is and will continue to be valid. If any row in the table violates the integrity constraint, the constraint remains disabled and Oracle returns an error. If all rows comply with the constraint, Oracle enables the constraint. Sub...
1、约束不起作用 2、无法保证约束是真实的(不对任何数据做约束检查) signifies that Oracle makes no effort to maintain the constraint (because it is disabled) and cannot guarantee that the constraint is true (because it is not being validated)....
The syntax to disable a foreign key in Oracle/PLSQL is: ALTER TABLE table_name DISABLE CONSTRAINT constraint_name; Example If you had created a foreign key as follows: CREATE TABLE supplier ( supplier_id numeric(10) not null, supplier_name varchar2(50) not null, contact_name varchar2(50...
Disable or enable all triggers belonging to the table except for internally generated constraint triggers such as those that are used to implement foreign key constraints or deferrable uniqueness and exclusion constraints. (内部用于foreign key, unique, 排他 等约束的触发器除外) ...
alter index indexname disable; 我在自己的oracle817数据库上面测试,却总是报: ORA-02243: invalid ALTER INDEX or ALTER SNAPSHOT option。 请问哪位老大知道这是怎么回事? 再问,怎么disable掉temporary表的索引。 谢谢 索引, 语法, 如何, INDEX, 数据库...
This constraint will be checked prior to starting any batch. The value of this field should be between 5 and 100, inclusive. If both maxBatchInstancePercent and maxUnhealthyInstancePercent are assigned with value, the value of maxBatchInstancePercent should not be more than maxUnhealthyInstance...
the tab may be called Oracle You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in. Comment Comments (1) Former Member 2017 Oct 30 0 Kudos True that on the FK constraint there is a "Disable" constraint option...