SDL means                            

Related MCQs

• The operation of moving from finer- granularity data to a coarser granularity (by means of aggregation) is called a                  
•          means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
•                means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.
• Minimal data redundancy means improved _________:
• ____ means that the data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.