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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.
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
what is difference between circular inked lust and grunded linked list
triggering
Normalize the given relation to 3NF, justifying each step
Aggregation : One limitation of the E-R diagram is that they do not permit representation of relationships between relationships. In such a case the relationship along with its ent
Create student database and retrieve course name taught by king? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (secti
Differentiate between natural join and outer join? Natural join is a binary operator which is written as (R * S) where as R and S are relations. The output of the natural join
What is Structured Query Langauge (SQL)? SQL is a powerful set-oriented language which was formed by IBM research for the databases that adhere to the relational model. It havi
What is the full form of DDL? DDL is stand for Data Definition Language.
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