Pc Technical Pro - Free Computer Education

Functional dependency in DBMS is a constraint between two set of attributes. In a relational database schema having n attributes, there exis...

Data redundancy means redundant copies of data within database. Data redundancy leads to data inconsistency which will cause overall databas...

PHP embed/embed package can used used for fetching video information such as duration , thumbnail and many other useful information. Firs...

In JavaScript, you can display any string using alert box. JavaScript alert is a method of window object. But we can also it explicitly w...

As other programming languages, JavaScript also supports data types and variables. Variables are piece of memory blocks in which we can st...