constraints
hibernate support for deferred constraints?
In Hibernate 3.6, what is the support for deferred constraints? As I get it, in 3.2, \"Hibernate does not have support for deferred constraints.\"[详细]
2023-03-15 22:37 分类:问答Information schema and Primary Keys
How do I just print out a \'primary key\' for the column with the primary key? I get \'primary key\' for all the columns if the table has a primary key, instead of the one column with the primary ke[详细]
2023-03-15 14:42 分类:问答volatile vs. compiler barrier with gcc inline assembly
In our product we have an inlined mutex implementation, using a variety of platform and compiler specific methods for the hardware specific parts.One of our \"rules\" for some over-optimized code that[详细]
2023-03-14 23:28 分类:问答MySQL distinction between e and é (e acute) - UNIQUE index
I have a table, students, with 3 columns: id, name, and age. I have a UNIQUE index Index_2 on columns name and age.[详细]
2023-03-14 23:17 分类:问答Storing and retrieving historical data using SQL / relational database
Given this table: CREATE TABLE DeptPeopleHistory ( DEPT_ID INTEGER, PERSON_ID INTEGER, START_DATE INTEGER,[详细]
2023-03-14 22:10 分类:问答EnforceConstraint on Datatable
On a dataset is a EnforceConstraints property indicating whether the constraints should b开发者_如何学编程e enabled. Althought a datatable also can have constraints i cannot disable the constraints fo[详细]
2023-03-14 12:00 分类:问答Dependend Constraint in MySQL
I have not much experience with MyS开发者_如何学运维QL or SQL in general, and I don\'t want to dive into it too deeply. But I just wanna ask this:[详细]
2023-03-14 04:36 分类:问答Hibernate Criteria restriction on a not loaded table
I\'m trying to have a Criteria query to have a restriction on an entity that isn\'t loaded. My mapping is all done via one-to-many relations.[详细]
2023-03-13 11:29 分类:问答Problem to enable oracle constraints
I\'m trying for days to disable the constraints of all my tables, insert data and enable the constraints. It works but I did some tests and when I insert a row that doesnt respect a foreign key, there[详细]
2023-03-13 06:08 分类:问答Rails 3 Problem with Routes Constraint
I\'m trying to make it so that I can have a urls like this: /events /events/sunday # => The day is optional[详细]
2023-03-12 08:23 分类:问答