concurrency - What is a database transaction? - Stack Overflow
May 1, 2023 · A transaction is a unit of work that you want to treat as "a whole." It has to either happen in full or not at all. A classical example is transferring money from one bank account to another. To …
What is the difference between a query and transaction in SQL?
Apr 23, 2021 · A simple explanation would be like this Query is a single instruction like SELECT, UPDATE, DELETE etc and transaction is group of query to perform particular task in case of money …
sql server - How to use SqlTransaction in C# - Stack Overflow
There is an Update query in progress, the Transaction is started at a higher level on the connection. In order to ensure that all server data is in a valid state for the Update, I need to do a couple reads.
Correct use of transactions in SQL Server - Stack Overflow
Apr 14, 2012 · Add a try/catch block, if the transaction succeeds it will commit the changes, if the transaction fails the transaction is rolled back:
How do I use transaction with oracle SQL? - Stack Overflow
Feb 3, 2016 · I am trying to use transaction blocks on a SQL-Console with an Oracle DB. I'm used to use transaxction blocks in PostgreSQL like BEGIN; <simple sql statement> END; but in oracle it …
Transaction marked as rollback only: How do I find the cause
Oct 11, 2013 · Participating transaction failed - marking existing transaction as rollback-only So I just stepped through my code to see where this line is generated and found that there is a catch block …
How to rollback or commit a transaction in SQL Server
Feb 22, 2013 · The good news is a transaction in SQL Server can span multiple batches (each exec is treated as a separate batch.) You can wrap your EXEC statements in a BEGIN TRANSACTION and …
What does a transaction around a single statement do?
BEGIN TRANSACTION / COMMIT "extends" this locking functionality to the work done by multiple statements, but it adds nothing to single statements. However, the database transaction log is …
How do you clear the SQL Server transaction log?
Sep 11, 2008 · The transaction log contains a lot of useful data that can be read using a third-party transaction log reader (it can be read manually but with extreme effort though). The transaction log is …
Database.BeginTransaction vs Transactions.TransactionScope
TransactionScope offer broader options, BeginTransaction has a simpler API TransactionScope allows to customize the transaction timeout, support nested transactions with various …