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Describe Database state in details?
Database state: The actual data within the database at a particular moment in time is known as a database state.
Explain weak and strong entity sets? Weak and Strong entity sets: A physically powerful entity set has a primary key. All tuples in the group are distinguishable through that k
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
what is Nested relational model? Explain with examples.
A step-wise distributed database design methodology Following is a step-wise methodology for distributed database design. (1) Examine the nature of distribution. Find out wh
How external/conceptual mapping and conceptual /internal mapping is performed
Explain the relevance of Data Dictionary in a Database System? Data dictionary is a database in its own right residing on the disk that consist of Meta data which is = Data abo
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
Name the three major set of files on disk that compose a database in Oracle. There are three main sets of files on disk that compose a database. All the files are binary. These
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
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