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...
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. In-line alter table orders modify ORDER_DATE not null ; 'NOT NULL Can only be created by in-line mode. alter table orders modify ORDER_DATE null ; 'NOT NULL Can only be droped by in-line mode. alter table orders modify ORDER_DATE unique ; alter table orders modify constraint SYS...
Oracle" for linked server Cannot grant, deny, or revoke permissions to sa, dbo, entity owner, information_schema, sys, or yourself. Cannot insert duplicate key row in object... Cannot insert the value NULL into column 'ID', table Cannot open backup device 'C:\TEMP\Demo.bak'. Operating ...
NameInRequiredTypeDescription accountName path True string The name of the Batch account. Regex pattern: ^[a-zA-Z0-9]+$ poolName path True string The pool name. This must be unique within the account. Regex pattern: ^[a-zA-Z0-9_-]+$ resourceGroupName path True string Th...
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) ...
Best way to release memory in multithreading application (Getting OutOfMemory Exception) Best way to stop a thread. Best way to stop a windows service with an error condition in a spawned thread? Best way to UPDATE multiple rows in oracle database better formatting of date/timestamp for creat...
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) ...
Adding Spaces to Column Names in LINQ Select Query adjust the height according to my numer of records jqgrid ADO.NET provider with invariant name 'Oracle.ManagedDataAccess.Client' could not be loaded. AJAX & Controller - Success result return into Error Block Ajax call not hitting the controlle...
最近在看tom的《Effective Oracle by design》,其中第6章6.3.8节有个例子是给表添加主键,但是不想对已经存在的数据进行校验: alter table dept add constraint dept_pk primary key(deptno) rely enable novalidate; 我经过测试,发现即使加上novalidate语法也还是要检验的,测试如下: ...