DO YOU KNOW BIG DATA?

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Introduction to Python

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                              PYTHON(Programing Lan guage) Python is an interpreted, object oriented, high level programming language. It was developed by Guido Van Rossum in 1985-1990. It is a multi- paradigm programming language. Fortunately an experienced programmer can pick up Python very quickly as it is easy language. Why python is must? Fig 1.1 Python is a high-level, interpreted, interactive and object oriented language. Python is degined to highly readable. In python there is less use of English keywords as comparison to other language . Python is   must for students and working professional to become a great a great software engineer specially when it work in IT sector. ●        Python is interpreted - Python is processed at runtime by the interpreter. You don’t need to compile your program before executing it. It is similar to PHP,PERL. ●   ...
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KEYS IN RDBMS (PRIMARY KEY, SUPER KEY, CANDIDATE KEY)

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KEYS IN RDBMS (Data Constraints) Many keys are available in the RDBMS, They allow finding the relation between columns and table that help identify a tuple (row) in a table. They help find a unique record from the table or database.      Keys are seven types in RDBMS Primary key Super key Alternate key Foreign key Candidate key Unique key Composite key                                                                     Fig 1.2 KEYS 1.       PRIMARY KEY A primary key is an attribute (columns) of a table or group of columns that uniquely identify each record in a table. This contains a unique value that’s no repetition for any row. It cannot be a null value. A table contains only one primary key. Example:- Roll_no Name class ...
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INTRODUCTION OF HACKING

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  Click here for Registration                     Hacking Hacking is a process of breaking into someone’s system in a legal or illegal manner to fetch out some information or for accessing it. Hackers are the computer expert who by their computer skills find a loop hole to achieve a goal or target within a computerized system in a illegal manner. Today computer is mandatory part to do a professional work or to handle a successful business. We can have private system for using purpose because we need networks to interact and fetch data so computers are connected in networks which make them prone for hacking and cyber crime. Which cause them a lot of loss of information and money. Types Of Hacking Hacking can be broadly classified in two parts :- 1.     Ethical Hacking –Ethical Hacking is a hacking which is contracted with the government, private organization or ...
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