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Though all the ABAP/4 Dictionary Structures that exists in the structure of the LDB, being described in Database Program, we are explaining the Dictionary Structures in the Report. What is the reason for such declaration?
By declaring so we are giving work areas for data passing among Logical Database and Report. In addition, the logical database configures the selection screen depending on the selection of database tables.
what is query processing ,query optimization and performance turring?
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
explaination
What are attributes? Give examples. An entity is shown by a set of attributes. Attributes are descriptive properties possessed by every member of an entity set. Example: pos
Describe Query evaluation engine? Query Evaluation engine: Vehicle executes low-level instructions obtained through the DML compiler. The Storage Manager Components gives in
You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR managem
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