Describe the role of social media sites in digital communication technology? Social media sites provides many types of ways to share and allow to send different types of data such as:- text data through file of text document or direct message text to the chat box directly to the user by typing, the audio clip can be recorded to send the file or direct voice calling system allows to connect with the user when the user is online. Similarly, video data can be shared to the user in the form of a file and directly connected in the form of video call or video chatting. The image file can be used to share the information object which is still object information including text data depending on the creators. The social media sites provide the services of connecting users through the data communication system using the different types of option such as:- chatting using text messages, audio clipping sends methods, recorded current video through the camera or direct video call or chat option, voi...
What are the drawbacks or disadvantages of the network database management system model?
Drawbacks or disadvantages of the network database model
- The network database model is very complex in their structure.
- It is difficult to understand where the entity is connected to the other entity.
- When creating this model the connection line of the entities are high amount which is draw too difficult in the pictorial representation.
- It creates so many confusion of an entity about their multiple parent connection in the structure because of their property of 1to many and many to many connections.
- It inserts data according to pointer only.
- It updates data according to pointer only.
- It deletes data according to pointer only.
- The whole data are very complex to understand if you delete any parent entity which has many parents entity has connected will lose to accessing the data in the relations.
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