That trading company in Tokyo did consider()the transaction with you.
In which scenario will you use the Flashback Transaction Query feature?()
Which two statements complete a transaction?()
The speaker is the person who () a speech transaction.
You are working on an online transaction processing (OLTP) system. You notice that a PL/SQL procedure got executed twice at 2) 00 p.m. This has incorrectly updated the EMP_SAL table. How would you revert the table to its state at 2) 00 p.m.?()
After completing a commercial transaction, () will execute the transfer of goods from the seller to the buyer in the most-effective manner.
You are working in an online transaction processing (OLTP) environment. You realize that the salary for an employee, John, has been accidentally modified in the EMPLOYEES table. Two days ago, the data was in the correct state. Flashback logs generated during last two days are available in the flash recovery area. Which option would you choose to bring the data to the correct state while ensuring that no other data in the same table is affected?()
You are working in an online transaction processing (OLTP) environment. You used the FLASHBACK TABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the System Change Number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state and the resultant changes are not what you had desired. So, you need to reverse the effects of the FLASHBACK TABLE command while ensuring that: a) No other user data in the database is affected. b) The operation takes the minimum possible time. Which option would you choose?()
()也称为Cost-per-Transaction,即根据每个订单/每次交易来收费的方式。
网络交易服务(network transaction service)是指什么?