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What is Object Oriented model?
This model is based on collection of objects. An object has values stored in instance variables with in the object. An object also having bodies of code that operates on the object. These bodies of code are known methods. Objects that contain same types of values and the similar methods are grouped together into classes.
Database Errors: An error is said to have occurred if the implementation of a command to manipulate the database cannot be successfully finished either due to inconsistent data or
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
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Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Client Server Databases- The concept behind the Client/Server systems is simultaneous, cooperative processing. It is an approach that presents a one systems view from a user's vie
explaination
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
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