sql begin transaction rollback example

BEGIN TRANSACTIONMarks the starting point for an explicit local transaction. BEGIN TRANSACTION The @ @TRANCOUNT by 1 increments.BEGIN TRANSACTION represents a point where data referenced by a connection is logically and physically consistent at that

server| Transaction Processing Transaction definition: A transaction is a single unit of work. If a transaction succeeds, all data changes made in that transaction are commit to become a permanent part of the database. If the transaction encounters

  Transaction definition: A transaction is a single unit of work. If a transaction succeeds, all data changes made in the transaction will be committed and become a permanent component of the database. If the transaction encounters an error and

After careful study, it is still a bit complicated to find the explicit transaction (display transaction) inside SQL Server. Here are some summaries:Commit TRANSACTION commits all nested transaction modifications. However, if the nested transaction

 Error Handling of nested transactions and transaction retention points     For nested transactions.1. Start external transactions, start internal transactions, and try catchInternal error: if an internal transaction error occurs, internal and

Originally intended to write about the transaction control process in the SSIS package, it was found that many of the basic concepts needed to be based on the isolation level of SQL Server transactions and transactions. So it took some time to get a

Start transaction, commit and rollback syntaxStart Transaction | Begin [Work]commit [Work] [and [No] chain] [[No] release]rollback [work] [and [No] chain] [[No] release]set autocommit = { 0 | The 1}start transaction or BEGIN statement can begin a

Start transaction, commit, and rollback syntaxStart transaction | begin [work] commit [work] [and [no] chain] [[no] release] rollback [work] [and [no] chain] [[no] release] set autocommit = {0 | 1} start transaction or begin statement can start a

Transaction definition:A transaction is a single unit of work. If a transaction succeeds, all data changes made in the transaction areCommits and becomes a permanent part of the database. If the transaction encounters an error and must be canceled

Java transaction learning notes (9)-in-depth analysis of JTA principles and implementationThrough the study of java transactions in this series, I have a preliminary understanding of the concept of transactions. However, with the rapid development