Answer:B. Are used to create, organize, and manage databases
Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.
Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.
HTML stands for Hyper Text Markup Language. It is the most commonly language used for <span>creating web pages and web applications. </span>
<span>The correct HTML element for playing video files is <video>.
</span>
To show a video in HTML, use the <video> element:
Example:<span><video<span> width="320" height="240" controls</span>></span>
<span><source<span> src="video 1.mp4" type="video/mp4"</span>></span>
<span><source<span> src="movie.ogg" type="video/ogg"</span>></span>
<span></video<span>></span></span>