Database Keys

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Keys A key is a single or combination of multiple fields. Its purpose is to access or retrieve data rows from the table account to...

IPv4 Classes

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This architecture of IPv4 classes is called classful addressing. In classful addressing, the address space is divided into 5 classes: A, B, C, D,...

Making Sense of NoSQl

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Book Description:  If you want to understand and perhaps start using the new data storage and analysis technologies that go beyond the SQL database model,...

2 – Phase Commit Protocol

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Commit Protocol In transaction processing, databases & comp. n/w, the 2 Phase commit is a type of atomic commitment protocol ( ACP ). It...

Database Transaction

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Database Transaction Transaction is a Collection of operations that forms a single logical unit of work. A transaction is an atomic unit of work that...
Character Encoding

Character Encoding

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URL Character Encoding  Many time in URL we see eg. www.example.com/page?val=cat%20%2E%2E%2F This complex %20 sign are nothing but Character Encoding in Hex form.    Special             Hex                 Ascii...
Database Users

Database Users

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Database End Users End users are the people whose jobs require access to the database for querying, updating and generating reports; database primarily exists for...
linux

Linux Password Stored Format in /etc/passwd

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                          This was Linux users file, to understand linux password file /etc/shadow
Amity-Gif

Amity YOUTH FEST 2017

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Amity Youth Festival 2017 Amity University’s Computer Science Department cordially invite your college students to participate in a Three-day fest organized bythe University from the...

Represent Decimal > 8-Bit Notation

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Denoting decimal ( Base 2 )  numbers into 8-Bit Binary Notation eg.    255  in binary  =  11111111         16     in binary  =  00010000