Database Keys
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
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
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
Commit Protocol
In transaction processing, databases & comp. n/w, the 2 Phase commit is a type of atomic commitment protocol ( ACP ). It...
Database Transaction
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
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 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 Password Stored Format in /etc/passwd
This was Linux users file, to understand linux password file /etc/shadow
Amity YOUTH FEST 2017
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
Denoting decimal ( Base 2 ) numbers into 8-Bit Binary Notation
eg. 255 in binary = 11111111
16 in binary = 00010000