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Define what Immediate database modification technique uses? Ans: Both undo and redo.
explain at least five widly used case tools
external and internal mapping with examples
Discuss along with examples about several types of attributes present in the ER model? Types of Attributes are: • SIMPLE attributes are attributes which are drawn from the ato
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
projects?
What is NULL? Simply NULL means not in value.
triggering
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
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