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 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 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 …
t sql - When to use Transactions in SQL Server - Stack Overflow
Transaction must be Atomic (it is one unit of work and does not dependent on previous and following transactions), Consistent (data is either committed or roll back, no “in-between” case where …
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.
Use transactions for select statements? - Stack Overflow
May 12, 2011 · An application can perform actions such as acquiring locks to protect the transaction isolation level of SELECT statements This is a good use case for that since the OP stated they use …
writing a transaction in t-sql and error handling - Stack Overflow
Apr 6, 2017 · Do u think there is a better way to write a transaction in t-sql? Is there a better approach that improves maintainability and performance of the application that uses this transaction? -- Descri...
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 …
Correct use of transactions in SQL Server - Stack Overflow
Apr 14, 2012 · Shouldn't BEGIN TRANSACTION [Tran1] be placed inside TRY? Anyway - very simple and elegant piece of code.