Consistency guarantees relate to how a given state of the data is observed by simultaneous operations. Isolation refers to how simultaneous operations potentially conflict with one another. Durability means that committed changes are permanent.While...
Modular serializability, Multiversion concurrency control, Nested transaction, Non-lock concurrency control, Online transaction processing, Oracle Coherence, Photo recovery, Purchase-to-pay, Quorum (distributed computing), Read-write conflict, Record l...
The object-oriented databases contain data in the form of object and classes. Objects are the real-world entity, and types are the collection of objects. An object-oriented database is a combination of relational model features with objects oriented principles. It is an alternative implementation ...
A transaction can request a lock on a data item when needed. Lock requests can be for shared locks (read access) or exclusive locks (write access) depending on the transaction’s intention. A transaction can acquire a lock only if it does not conflict with existing locks held by other tra...
Database management system is a software which is used to manage the database. For example:MySQL,Oracle, etc are a very popular commercial database which is used in different applications. DBMS provides an interface to perform various operations like database creation, storing data in it, updati...
Consistency guarantees relate to how a given state of the data is observed by simultaneous operations. Isolation refers to how simultaneous operations potentially conflict with one another. Durability means that committed changes are permanent.While...