Non Prime Attribute in DBMS

Non Prime Attribute in DBMS In DBMS (database management system), the non prime attribute is

Equivalence of Two Sets of FD’s

Equivalence of Two Sets of FD’s In DBMS, For the equivalence of two sets of

Decomposition Without Dependency Preserving

Decomposition Without Dependency Preserving If the decomposition of relation R with FDs (F), into R1

Dependency Preserving Decomposition

Dependency Preserving Decomposition As we know, table decomposition should be either lossless or dependency-preserving to

Lossless Decomposition

Lossless Decomposition If the information is not lost from the relation that is decomposed, then

Relational Decomposition

Relational Decomposition When a table in the relational model is not in appropriate normal form,

Important Points of Normal Forms

Important Points Of Normal Forms As we know, normalization is used to remove the redundancy

Fifth Normal Form (5NF)

Fifth Normal Form (5NF) The Fifth normal form (5NF) is generally not implemented in real-life

Fourth Normal Form (4NF)

Fourth Normal Form (4NF) According to the fourth normal form (4NF), A relation will be

Boyce Codd Normal Form (BCNF)

Boyce Codd Normal Form (BCNF) BCNF is extension of 3NF. It is stricter than 3NF.

Third Normal Form (3NF)

Third Normal Form (3NF) A table will be in the third normal form (3NF) when,

Second Normal Form (2NF)

Second Normal Form (2NF) Before to learn 2NF, 3NF, BCNF, 4NF and 5NF you must

First Normal Form (1NF)

First Normal Form (1NF) According to first normal form (1NF), The table should not contain

Normalization And Its Types

Normalization Normalization is the process of organizing the data in the database. It is used

Candidate vs. Super Key AND Prime vs. Non-Prime Attributes

Candidate Vs. Super Key AND Prime vs. Non-Prime Attributes Before Candidate Key Vs. For superkey

Closure Method In DBMS

Closure Method In DBMS The closure method is used to find all possible candidate keys

Redundancy Problems

Redundancy Problems Redundancy is the multiple copies of the same data in the database. It