orm nhibernate

The content of this section Many-to-many relationships are introduced Many-to-many mapping relationships Many-to-many correlation queries 1. Native SQL Association Query 2.HQL Correlation Query 3.Criteria API Association Query Conclusion Many-to-many relationships are introducedLet's look again at the data model established in the second article:In the diagram, I have clearly marked the relationship between tables, on two analysis of the "fo

After the introduction of the previous section, the whole nhibernate has a preliminary understanding, this section is mainly to introduce the whole NHibernate object system and configuration content.First, the objectA.isessionfactory (Nhibernate.isessionfactory)The compiled memory image for a single database mapping relationship is thread-safe (immutable). It is the factory that generates ISession and uses

The content of this section Query methods in the NHibernate Conditional queries (criteria query) 1. Create a Icriteria instance 2. Result set Limitations 3. Sorting result Sets 4. Some notes Query by Example Example analysis Conclusion In the previous section, we introduced one of the NHibernate query languages: The

Please specify the reprint address: Http://www.cnblogs.com/arhatBefore the integration of these three technologies, first of all to explain the integration of the steps, as the saying goes, Khan to eat a mouthful, things to do one thing. The same is true of the three technologies. Before you integrate, you need toAsp.net,spring.net,nhibernate have some knowledge, it is best to have some experience, because for no reason to put 3 technology together, w

All together to learn Nhibernate+nunit (Vs2012+sql Server2008)Category: C#2013-08-10 18:47 1589 people read reviews (5) Favorite reportsNhibernatenunitvisual Studio 2012If you have not heard of NHibernate or NUnit, then, congratulations, like me, shake hands. If you are already an old soy sauce, that dear different do not take you to play, please consciously detour,,,. I would like to dedicate this article

To construct my own ORM I'm sure a lot of my friends have understood what I'm going to discuss here in the previous two chapters, which is to define the O/r mapping rule based on custom attributes, and then dynamically acquire the rule by reflection to dynamically construct the SQL statement. Because this little Thing (ORM) was born in Shenzhen, so I think, she should have a Shenzhen name, so I called her

Create an ORM framework that is used for low performance and An orm framework for low performance.Advantages of SqlSugar ORM: 1. High Performance, reaching the highest level of native performance, higher than SqlHelper performance, 30% faster than Dapper and 50% faster than EF 2. Multiple databases are supported. The SQL version is updated as quickly as possible.

Build your own PHP framework-define the ORM interface and build the php framework orm In the previous blog, we abstracted the Controller base class to implement page rendering and return the JSON string function. What else do we lack as a framework? Yes, you should have noticed that we have never connected to a database before, and we lack an ORM (Object Relation

1. The origin of the problemExamine the following class structure definitionspublic class Category { string _id; Category _parent; ilist　　The contents of its NHibernate mapping file are:When the program asks "To filter out all category and then iterate through the sub-objects in the children below", we usually write the following code that meets the requirements : var query = from O in currentsession.queryoverilistforeach (Cate

Property name Use Dialect Set dialect class name for NHibernate-allows nhibernate to generate optimized SQL for a particular relational databaseAvailable values: full.classname.of.Dialect, Assembly Default_schema In the generated SQL, attach the given schema/tablespace to the table name of the non-fully qualified name.Available values: schema_name

Szq. orm. SQL detailed instructions, szq. orm. SQL Var connStr = ConfigurationManager. ConnectionStrings ["dbconnstr"]. ConnectionString; SQLContext db = new SQLContext (connStr );// List QueryVar list1 = db. GetList Var list2 = db. GetList Var list3 = db. Query // Multi-condition QueryVar query = db. Query Query. Where (s => s. Name = "B ");Query. Where (s => s. ID> 5 );Var result = query. ToList (); // Q