concurrency - What is a database transaction? - Stack Overflow 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 do that you have first to withdraw the amount from the source account, and then deposit it to the destination account The operation has to succeed in full If you stop halfway, the money will be lost
What is the difference between a query and transaction in SQL? The three key operations on a transactions are: BEGIN TRANSACTION: Tell the database that a transaction is beginning All changes within the transaction are invisible to other users while the transaction is "active" COMMIT TRANSACTION: Make all the changes visible in the database Conceptually, this happens instantaneously
How do I use transaction with oracle SQL? - Stack Overflow 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 seems tha
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
Transaction marked as rollback only: How do I find the cause The context of methodB is completely missing in the exception - which is okay I suppose? Something within the methodB () marked the transaction as rollback only? How can I find it out? Is there for instance a way to check something like getCurrentTransaction() isRollbackOnly()? - like this I could step through the method and find the cause
c# - Transactions in . net - Stack Overflow The alternative is an ambient transaction; new in NET 2 0, the TransactionScope object (System Transactions dll) allows use over a range of operations (suitable providers will automatically enlist in the ambient transaction)
UiPath queue transaction status flow - Stack Overflow I am playing learning UiPath queue and transaction behavior and so far I have understood few things as per the documentation and tutorials However, what I am missing in the document and in the forum is how that transaction status flow work and when where how can we update the transaction status?