What Does a Treasury Director Do?

A database transaction (transaction) is a sequence of database operations that accesses and may manipulate various data items. These operations are either all performed or not performed at all, and are an indivisible unit of work. A transaction consists of all database operations performed between the start and end of a transaction. ^[1]

In a database system, transactions are working

1. Atomicity: All operations in a transaction are inseparable in the database, either all are completed or all are not performed. ^[1]

A database transaction usually involves a sequence of read / write operations to the database. It exists for two purposes: ^[4]

Accessing the database in a transactional manner has the following advantages: ^[3]

1. Group logically related operations into a group; ^[3]

2. Before the data is changed permanently, you can preview the data changes; ^[3]

3. It can ensure the read consistency of data. ^[3]