What is TransactionScope in Entity Framework?
Transactions namespace was used to handle transactions in the Entity Framework using TransactionScope and the Entity Framework uses this transaction to save the changes in the database. using (TransactionScope scope = new TransactionScope()) { //Code Here.
What is SQL transaction?
A transaction is a logical unit of work that contains one or more SQL statements. A transaction is an atomic unit. The effects of all the SQL statements in a transaction can be either all committed (applied to the database) or all rolled back (undone from the database).
Which entities allow lazy loading?
Yes, lazy loading is enabled in the Entity Framework ORM too, it is on by default in Entity Framework, so if you want to enable lazy loading in Entity Framework, you don’t need to do anything.
Why do we need MSDTC?
In this case, MSDTC monitors the transaction. It monitors the distributed transaction, and if any of the server transaction fails, it takes decisions to roll back the whole transaction.
Is MSDTC required for SQL Cluster?
MSDTC is not required for a SQL Server 2012 fail over cluster. However, if you plan to use Linked Servers, then you will need to create a clustered MSDTC resource. The good news is that can be setup after the cluster is already built and after SQL Server has been installed.
What is SQL transaction example?
A transaction is the propagation of one or more changes to the database. For example, if you are creating a record or updating a record or deleting a record from the table, then you are performing a transaction on that table.
How many types of transactions are there in SQL?
SQL Server can operate 3 different transactions modes and these are: Auto-commit transactions. Implicit transactions. Explicit transactions.
What happens with @transactional?
So when you annotate a method with @Transactional , Spring dynamically creates a proxy that implements the same interface(s) as the class you’re annotating. And when clients make calls into your object, the calls are intercepted and the behaviors injected via the proxy mechanism.
How do you test transactional methods?
How do you test Spring @Transactional without just hitting hibernate level 1 cache or doing manual session flush?
- call a method that changes a User object then calls a @Transactional service method to persist it.
- read the object back from the DB and insure it’s values are correct after the method.
https://www.youtube.com/watch?v=wpdtGE7TTUk