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Whst is logical schema ?
Logical schema is the entire database.
Object-oriented decompositions Object-oriented decompositions of systems better are able to cope with change. Each subsystem has a well-defined interface which communicates with
Which two tools are used to administer users for Active Directory?
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode
Which method of access uses key transformation? A Hash method of access uses key transformation.
About Attribute inheritance
What is OLAP? OnLine Analytical Processing (OLAP) is a Business Intelligence (BI) reporting system. OLAP gives the user with the capability to sum, count, average and do other
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
note on hashing technique
Example -Find the employee name, salary, department number and average salary of his/her department, for those employees whose salary is more than the average salary of that depart
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