Where Is Object-Oriented Database Used?


These characteristics make object databases suitable for projects with complex data which require an object-oriented approach to programming. An object-oriented management system provides supported functionality catered to object-oriented programming where complex objects are central.



What is object-oriented SQL?

In PL/SQL, object-oriented programming is based on object types. They let you model real-world objects, separate interfaces and implementation details, and store object-oriented data persistently in the database.


What is polymorphism in Plsql?

"polymorphism" means multiple shapes (multiple subprograms, same name). Overloading is static polymorphism because the COMPILER resolves which of the subprograms to execute (at compile time). Dynamic polymorphism means we have 2+ methods with the same name, but in different types in the same hierarchy.


What is lock in DBMS?

A lock is a data variable which is associated with a data item. This lock signifies that operations that can be performed on the data item. Locks in DBMS help synchronize access to the database items by concurrent transactions. All lock requests are made to the concurrency-control manager.


Where is object-oriented database used?

These characteristics make object databases suitable for projects with complex data which require an object-oriented approach to programming. An object-oriented management system provides supported functionality catered to object-oriented programming where complex objects are central.


What is the need for object oriented databases?

Object databases are commonly used in applications that require high performance, calculations, and faster results. Some of the common applications that use object databases are real-time systems, architectural & engineering for 3D modeling, telecommunications, and scientific products, molecular science, and astronomy.


What is method in object-oriented database?

The ODBMS which is an abbreviation for object-oriented database management system is the data model in which data is stored in form of objects, which are instances of classes. These classes and objects together make an object-oriented data model.


What is 2 phase locking in DBMS?

Two-phase locking (2PL)

The two-phase locking protocol divides the execution phase of the transaction into three parts. In the first part, when the execution of the transaction starts, it seeks permission for the lock it requires. In the second part, the transaction acquires all the locks.


What is the coordination number of NaCl?

Each sodium ion is surrounded by six chloride ions in a NaCl crystal, and each chloride ion is surrounded by six sodium ions. As a result, the coordination number of NaCl will be 6:6 as defined.


Is ECE and ETE same?

Answer. You can consider Electronics and Telecommunication Engineering (ETE) as a subset of Electronics and Communication Engineering (ECE).


What are the 5 types of HTML?

Different Versions of HTML

  • HTML 1.0. The basic version of HTML has support for basic elements like text controls and images.
  • HTML 2. HTML version 2.0 was developed in 1995 with basic intention of improving HTML version 1.0.
  • HTML 3.2. It was developed in 1997.
  • HTML 4.01. It was developed in 1999.
  • HTML5.
  • W3C HTML Validator.


Why industrial management is important?

It helps in Achieving Group Goals - It arranges the factors of production, assembles and organizes the resources, integrates the resources in effective manner to achieve goals. It directs group efforts towards achievement of pre-determined goals.


Which chapters come under diversity in living world?

Classification System

  • Monera.
  • Protista.
  • Fungi.
  • Plantae.
  • Animalia.


What is mock test in online?

What is a Mock Test? Mock tests basically are practice papers that are prepared purely based on the latest exam pattern and syllabus of the respective examination. These are a simulation of actual exams practising which aspirants can gauge their actual potential.


Who is Canada's chief science officer?

Dr. Mona Nemer


What is the greatest obstacle you are facing right now?

10 Biggest Obstacles Keeping You From Making Change Successfully

  • Misinformation and Getting the Wrong Advice.
  • Pressure to Conform.
  • Overthinking your Goal.
  • Limited Finances.
  • Questioning your Abilities.
  • Being Indecisive.
  • Trying to Live up to Family Expectations.
  • Your Pride & Status.


How do you create a race track?

Five rules that drive racetrack design

  1. Don't make your track too hard to drive.
  2. Aim to create a circuit that works for a variety of car set-ups.
  3. Topography is key.
  4. Design your circuit for your target market.
  5. Asphalt run-off is safest, but there's still place for gravel traps.


Which software is best for PHP programming?

Here are the top 10 best PHP development tools that captured the attention of web development communities.

  1. PHPStorm.
  2. Zend Studio.
  3. NuSphere PhpED.
  4. Netbeans.
  5. Cloud 9.
  6. Aptana Studio.
  7. CodeLobster.
  8. Sublime Text.


Is a cloud a gas?

The majority of the cloud is just plain air in which the invisible water vapor is mixed with and the very tiny water drops and ice particles are suspended in. A cloud is a mixture of gas, liquid and solids.


Is the biology CLEP multiple choice?

The test is a completely computerized, multiple-choice test, and you'll have 90 minutes to answer 115 questions.


Where are semiconductors used?

Many digital consumer products in everyday life such as mobile phones / smartphones, digital cameras, televisions, washing machines, refrigerators and LED bulbs also use semiconductors.


Dated : 13-May-2022

Category : Education

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