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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
What is inheritance? Define it in detail? Inheritance Inheritance can be at the levels of types, or at the level of tables we first consider inheritance of types, then i
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
What is known as fudge factor? The number of partitions is enhanced by a small value called the fudge factor, which is usually 20 percent of the number of hash partitions compu
Determine the Derived attribute to avoid re-computation Each class box consists of an ordered list of attributes and operations, each represented as a next string. We can find
what is Mapping Constraints? with examples
How nulls are treated in comparison operator? Along with comparison (relational) operators, the null values are ignored as we cannot derive the relation along with the given op
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Explain in details about the f unctions of DBA ?
Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ
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