Transaction Terminology (cont)
The READ , WRITE , ABORT , COMMIT operations:
- occur in the context of some transaction T
- involve manipulation of data items X, Y, ...
(READ and WRITE)
The operations are typically denoted as:
RT(X) |
| read item X in transaction T |
WT(X) |
| write item X in transaction T |
AT |
| abort transaction T |
CT |
| commit transaction T |
|