Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
Cryptology is a technique of encoding and decoding messages, so that they cannot be understood by anybody except the sender and the intended recipient.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
Flow control is a mechanism that regulates the flow of information among accessible objects.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
Statistical databases contain statistical data about various populations. A population is a set of tuples of a table that satisfy some selection criteria.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
SQL injection is a type of code injection technique that might destroy the databases.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
It is based on the concept that privileges and other permissions are associated with A organizational roles, rather than individual users. Individual users are then assigned to appropriate roles.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
Discretionary Access Control (DAC) is a access control mechanism based on privileges.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
There are many legal or ethical issues with respect to right to access information. For example - If some sensitive information is present in the database, then it must not be accessed by unauthorized person.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
Definition: Database security is a technique that deals with protection of data against unauthorized access and protection.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
There are four types of NoSQL databases and those are - 1. Key-value store, 2. Document store, 3. Graph based, 4. Wide column store
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
Cap theorem is also called as brewer's theorem. The CAP theorem is comprised of three components.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
NoSQL stands for not only SQL. It is nontabular database system that store data differently than relational tables.
Advanced Topics - Database Management System
Subject and UNIT: Database Management System: Unit V: Advanced Topics
A distributed database system consists of loosely coupled sites (computer) that share no physical components and each site is associated a database system.