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Whst is logical schema ?
Logical schema is the entire database.
what is RDBMS? how it works? good example.
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
Project Description: My VBulletin forum was hacked, and soon after my server machine died. So, I'm now on a new machine, and I think that I've taken care of 99% of the hacking..
Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Explain the dependency relationship of object oriented A dependency is a relationship which states that a change in specification of one thing can affect another thing, but n
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