Database Implementation Essay Example | Topics and Well Written Essays - 500 words

Database Implementation - Essay ExampleDatabase is said to be regularized if just it is in 3NF.The following rules are followed when normalizing a delay in the 1NF for an organized database. The first step involves the eliminating of the columns which are in the same table the second step is to create a separate table for either group of the related data then identifies every row with the unique columns that is the primary key. The tables in residential area library database have not met the requirement of the 1NF, 2NF, and 3 NF since diametric columns in the tables has been repeated. The columns of the table repeatedly acknowledge the column of the data type, length and descriptions. This table can be created as a one table as shown belowThis step addresses a concept of removing data which are repeated in a given table. It has rules which must be followed during normalization. The first step is making sure that the requirements in the first normal form are met. Secondly, rem ove the subsets of data which multiples the rows of the table then place the data in different tables. The third step is creating the relationships between the tables as well as, predecessors by use of the foreign keys (Coronel, 2011).Data should perpetually be organized properly in the database. It is done by creating tables as well as, establishing the relationships between the tables in regard to the rules designed to protect the data and to make database to be flexible by removing the redundancy as well as, inconsistent dependency. Redundant data is known to be wasting the disk space as well as, creating the maintenance problems. If the data which exists in many places must be changed, the data must be changed in precisely to the same way in all