industryrest.blogg.se - Set read committed snapshot on hangs

#Set read committed snapshot on hangs update#

NET Transactions along with EntityFramework That behavior is actually cool and very useful, right? transaction.Complete() actually finishes the database transaction and your data is saved.

The database.SaveChanges() call sends your changes to the database and executes them but they are not really persisted because you are in the database transaction scope.

#Set read committed snapshot on hangs update#

DBC: update User set Age = 28 where Id = 2 DBC: update User set Name = "Admin" where Id = 1 If you are using the Entity Framework during an opened TransactionScope, EntityFramework will open a new Transaction right with the next command that will be sent to the Database ( CRUD Operation).Ĭonsider this code block: using (var transaction = new ()) NET Transaction itself is not connected with the database by any means. NET Transaction can be used in different ways by different frameworks to support transactions. If this isolation is not provided, the program's outcome are possibly erroneous.

To provide isolation between programs accessing a database concurrently.

To provide reliable units of work that allow correct recovery from failures and keep a database consistent even in cases of system failure, when execution stops (completely or partially) and many operations upon a database remain uncompleted, with unclear status.

Transactions in a database environment have two main purposes: Database practitioners often refer to these properties of database transactions using the acronym ACID. Wikipedia Database TransactionĪ database transaction, by definition, must be atomic, consistent, isolated and durable. net ORM Mapper Framework from Microsoft to help you talking with your Database in an object oriented manner.