begin
Opens a transaction with the session's default access mode (SET SESSION CHARACTERISTICS), or none. setTransactionReadOnly and setTransactionReadWrite shape it until its first query or write.
Throws
if a transaction is already open.
Opens a transaction with the session's default access mode (SET SESSION CHARACTERISTICS), or none. setTransactionReadOnly and setTransactionReadWrite shape it until its first query or write.
if a transaction is already open.