referential-integrity
Referential Integrity does not work in N:N relation
This is ms create table script: It is a N:M relation between the SchoolclassCode and the Pupil table CREATE TABLE Schoolclasscode ([详细]
2023-04-10 04:17 分类:问答Referential Integrity - how to configure SQLAlchemy?
Can someone help me get the big p开发者_如何学Pythonicture when it comes to configuring SQLAlchemy models, so referential integrity is ensured at all levels?[详细]
2023-04-05 08:04 分类:问答Adding and removing referential integrity constraints - automatically
Is there a Rails gem, plugin or other means to automatically add开发者_如何学运维 or remove ALL RI constraints from your DB and schema?Or ALL of them on a per table basis?Something like:[详细]
2023-03-15 20:00 分类:问答How can I check for referential integrity in a given row after the row has been added?
I\'m trying to see if开发者_运维技巧 there is a way to check the referential integrity of a single row after it has been inserted into an InnoDB table while foreign_key_checks is set to 0.[详细]
2023-03-15 17:32 分类:问答SQL Server: how to know if any row is referencing the row to delete
You cannot delete a row if any row is referencing the row to delete via a FK. Is it possible to know if any row is referencing the row to 开发者_如何学Pythondelete before executing a DELETE statement[详细]
2023-03-12 01:50 分类:问答zend adapter beginTransaction() and commit() fails
I am facing a strange issue The Zend_DB_Adapter\'s beginTrasaction() and commit() methods don\'t seem to be working as expected. I have INSERT statements (in a FOR LOOP) enclosed in beginTrasaction()[详细]
2023-03-07 09:58 分类:问答Three-way Referential Integrity - SQL Server 2008
I am building a database using SQL Server 2008 to store prices of securities that are traded on multiple markets.[详细]
2023-03-06 22:04 分类:问答Maintaining Referential Integrity - Good or Bad?
We are planning on introducing simple Audit Trail in our database using triggers and separate history table for each table that requires auditing.[详细]
2023-03-01 01:12 分类:问答data redundancy
Can referential integrity constraints help in addressing data redundancy probl开发者_如何学运维ems?Referential integrity constraints are only a subset of \"database constraints in general\".[详细]
2023-02-24 02:08 分类:问答Oracle: FK referring PK in multiple parent tables
In Oracle 10g, is it possible to define referential integrity constraints for a Foreign Key to refer to Primary Key in multiple parent tables.[详细]
2023-02-20 18:11 分类:问答