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Data independence seems that "the application is independent of the access strategy and storage structure of data". In other words, the ability to change the schema definition in o
What are the difference between clustered and a non-clustered index? A clustered index is a special type of index that reorders the way records in the table are physically stor
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
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 manage
I have to solve a problem using access
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
a) Suppose we updated the catalog tables in real time, that is, after every update, insert, or delete SQL statement were executed-rather than only running RUNSTATS once every few
The Concurrent Transactions Almost every commercial DBMS support multi-user environment. Therefore, allowing multiple transactions to proceed concurrently. The DBMS must make
what problems are raised by the database? why is it so controversial? why is data quality an issue?
What is Relational calculus? Relational calculus is a Non- Procedural language.
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