[ملك بلا مملكه]

هنا بعض المصلحات الي فاهمها يوضحها لنا :

1- workload :

2- ad hoc queries :

3- analytical queries :

4- Optimization :

5- dual updates :

6- انواع Recovery :

أ. a recover to current :

ب . a point-in-time recovery :

جـ . Transaction recovery :

7- Index consistency:

8- Pointer consistency :

9- Backup consistency.: