In a relational database, the three basic operations used to develop useful sets of data are:


Answer:
I know about .sb3, and it similar to .sb2
that might be your answer.
Explanation:
jpeg is for pictures and .exls is Microsoft's excel
extension.
A common technique for remembering the order<span> of </span>operations<span> is the abbreviation "PEMDAS", which is turned into the phrase "Please Excuse My Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".</span>
the answer should be the letter a
Answer: TRUE! 100%
If I was helpful i would to be rated brainliest please thank you!
Explanation: