In Relational database model

In Relational database model, a table is a group of information factors organised in terms of rows and columns. A desk is likewise taken into consideration as a handy representation of family members. but a table may have replica row of facts while a true relation cannot have duplicate statistics. desk is the maximum most effective shape of information garage. underneath is an example of an worker desk. A relational model was proposed by Edgar Codd in the 1970s, was a computer scientist working at IBM. In previous years, many storage systems had already appear, but the relational model was the one which put forward with theoretical basis. Tables are used to store data in the relational model. In each table, there are many record (rows) that consists of many columns.


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