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Posted byVishwa
BCNF vs 4NF (4th Normalization) Database normalization is a technique, which is dealing with relational database management systems. Data errors can be avoided in a well normalized database. Normalization is used to reduce the data redundancy of the database. That means implementing database tables and their relationships, eliminating redundancy and inconsistent dependency. There are […]
Posted byIndika
Normalization vs Denormalization Relational databases are made up of relations (related tables). Tables are made up of columns. If the tables are two large (i.e. too many columns in one table), then database anomalies can occur. If the tables are two small (i.e. database is made up of many smaller tables), it would be inefficient […]
Posted byIndika
1NF vs 2NF vs 3NF Normalization is a process that is carried out to minimize the redundancies that are present in data in relational databases. This process will mainly divide large tables in to smaller tables with fewer redundancies. These smaller tables will be related to each other through well defined relationships. In a well […]