It uses primary keys and foreign keys as a means to provide efficient access to data and is supported directly in the database rather than maintained in the application code.
Explanation: Relational databases use an expressive query language, make efficient use of indexes within the database, ensure strong consistency, and fit well within an enterprise management system. Non-relational databases have a flexible data model, have high scalability, and performance, and have always-on global deployments.
Answer:
first question option is d
second is false
third is mark
Explanation:
5-The following are generic font
- serif
- sans-serif
- cursive
- fantasy
- monospace
6 - We can change image size using height and width. so it is false.
7 - we can highlight text using <mark> Marked text </mark>
Change the color to black and white
A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions. It can self-replicate, inserting itself onto other programs or files, infecting them in the process.