The Second Normal Form (2NF) is used to establish a relation between the key (simple or composite) attributes and all the non-key attributes of the table. It is in the…
CSVeda Posts
HTTP is stateless and web applications need data to be sent across different web forms. As we discussed in earlier post, cookies are a way to store data on a…
A relation is said to be in a particular normal form when it follows certain set of rules. So is the case with 1NF. A data table is said to…
Patient Management system is a useful online app for a clinic or a small hospital to stay in touch with its patients. The patients can book their appointments and have…
Inference rule is a type of assertion which is applied in DBMS to derive new functional dependencies from already existing functional dependencies. William Armstrong developed these axioms in 1974. Hence…
Cookies stay in a user’s system unless they expire or are removed by the server which has transmitted them in the first place. In PHP, removing cookies process can be…
Functional Dependency (FD) is a DBMS Concept which arises due to the inter dependency between the attributes (columns) of a relation (table). As a result, Functional Dependency forms the basis…
Reading cookies in a PHP script is a simple process. In the last post we discussed that a cookie can be set by manipulating HTML header or using setcookie() PHP…
Geographic Information System or GIS is a very interesting technology used to map and analyze any events that take place on the surface of the earth. It is very useful…
In the world of websites and web based applications a cookie is a packet of user specific information sent from the server to the client machine. This information is transferred…