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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
Depending upon the rules we have found, we can classify the locks into two types. Shared Lock: A transaction might be acquiring shared lock on a data item in order to read it
Describe Object Relational model ? Object Relational Model - This model combines the characteristics of both relational model and object oriented model. It extends the tradit
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
Differance between procedural and non procedural DML? Procedural and non procedural DML Procedural DML exactly what data is require and how to obtain those data. Non procedural
Difference between SQL and SQL*Plus SQL SQL*Plus SQL is a language SQL *Plus is an environment It is bas
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
Law Associates is a large legal practice based in Sydney. You have been asked to design a data model for the practice based upon the following specification: The practice emplo
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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