Composite key: Composite key vs Super key?
Within this blog post, we are going to let you know about the Composite key: Composite key vs Super key. A composite key is the combination of one or ...
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What is the null value Problem in DBMS?
Hello Friends, In this blog post we are going to let you know about ‘What is the null value Problem in DBMS’. A null is used to represent ...
Research Paper on effective email marketing using an optimized email cleaning process.
Hello Friends, I am going to write this blog post(Research Paper on effective email marketing), especially for those who are pursuing M-tech(Master in...
What is super key in DBMS?
Super key(What is a super key in DBMS) is the combination of one or more attributes to uniquely identify a tuple. For example, we have a student table...
What is a candidate key in DBMS?
Hello Friends, In this blog post(What is a candidate key in DBMS) we are going to discuss what is a candidate key in DBMS. An attribute or a column in...
What is Key in DBMS?
Hello Friends, In this blog post(What is Key in DBMS), I will let you know about one of the most important and interesting topics of a database which ...
BCNF- What is the BCNF normal form example?
Boyce code normal form, (BCNF- What is BCNF normal form example) was proposed as a simple form of 3NF, but it was found stricter than 3NF because e ve...
3NF – What is the 3NF example?
A relation is in 3NF(What is the 3NF example) or the third normal form if and only if it is in 2NF and every non-key attribute is non-transitively dep...
2NF – What is a 2NF example?
A relation is in 2NF(What is a 2NF example) or second normal form if all the non-prime attributes are fully functionally dependent on the primary key....
1NF – What is 1NF example?
A relation is in 1NF(What is 1nf example) or first normal form if every tuple has exactly one value for each attribute. In other words, we can say tha...