Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.
Answer:
so
tv= 400$
VCR= $220
remote controller= $35
CD Player= $280
Tap recorder= $90
so total = $1025 total
here 8% sale tax increase so is 82$ so
1025-82$ = 943 total amount
increase or decrease tax according to your question :)
It should be noted that the hardware component that keeps data and information when the device is not powered is called a storage device.
This device can be permanent or temporary storage device.
<h3>What is a storage device?</h3>
Storage device can be regarded as the device that store data.
There are different storage devices for the computer system, they includes;
- Optical Storage Devices.
- External HDDs
- Random Access Memory
- Flash memory devices.
- Floppy Disks.
Learn more about storage device at ;
brainly.com/question/21283135
