自关联外键插入数据时报错:YAS-02033 foreign key constraint violated parent key not found-YashanDB 问题现象 使用如下的sql语句创建自关联外键表: 然后使用如下语句,尝试插入两行数据,这两行数据汇总起来,是符合外键关联关系的:insert into self_f_key select 1,2 from dual union all select 2,1 from dual;...
Oracle SOA Suite - Version 12.2.1.3.0 to 12.2.1.3.0 [Release 12c]: ORA-02291: Integrity Constraint,parent Key Not Found Error Code: 2291 Call: Insert Into MEDIATOR_
ORA-02291: integrity constraint (STORE.PRODUCTS_FK_PRODUCT_TYPES) violated - parent key not found 同理,如果试图将products表中一行的product_type_id列设置为一个不存在的父键值,数据库也会返回相同的 错误。例如: SQL> UPDATE products 2 SET product_type_id = 6 3 WHERE product_id = 1; UPDATE pr...
--- java.sql.BatchUpdateException: ORA-02291: integrity constraint (GLOGOWNER.FK_GTLQ_GTM_QUANTITY_TYPE_GID) violated - parent key not found at oracle.jdbc.driver.DatabaseError.throwBatchUpdateException(DatabaseError.java:629) at oracle.jdbc.driver.OraclePreparedStatement.executeBatch(OraclePreparedState...
Primary key和Unique Key的区别 2015-08-20 17:03 − Primary key 与Unique Key都是唯一性约束。但二者有很大的区别: 1、Primary key的1个或多个列必须为NOT NULL,如果列为NULL,在增加PRIMARY KEY时,列自动更改为NOT NULL。而UNIQUE KEY 对列没有此要求。 2、一个表只能有一个PRIMA... sun_spring ...
学习mybatis的过程中，测试mapper自动代理的时候一直出错，在eclipse中可以正常运行，而同样的代码在idea中...
问题现象 使用如下的sql语句创建自关联外键表: drop table self_f_key; create table self_f_key(t1 number primary key not null, t2 number); create index i_s_1 on self_f_key(t
A parent key is either a primary key or a unique key in the parent table of a referential constraint. The values of a parent key determine the valid values of the foreign key in the constraint. You must create a unique index on a parent key.
ServiceMasterKey.Parent Property Reference Feedback Definition Namespace: Microsoft.SqlServer.Management.Smo Assembly: Microsoft.SqlServer.Smo.dll Package: Microsoft.SqlServer.SqlManagementObjects v160.2004021.0 C# 複製 [Microsoft.SqlServer.Management.Sdk.Sfc.Metadata.SfcObject(Microsoft.SqlServer....
Contains(K)Determines whether the collection contains the specified key. 不要直接在程式碼中參照此成員。其支援 SQL Server 基礎結構。 (覆寫SfcCollection< (Of < ( <'T, K, ParentT> ) > ) >. . :: . .Contains(T)。) Contains(T)Determines whether the collection contains the specified object...