Identify the best data type to use to store the following data in Oracle, in SQL Server, and in MySQL: a. The month, day, and year that an employee was hired b. An employee's Social Security number c. The department in which an employee works d. An employee's hourly pay rate

When asked, "What is a pointer variable?" What should we do now? That's because it's an array that changes on the go. Why are pointers and dynamic arrays problematic?

Must be in C# and this assignment only Rare Collection. We can make arrays of custom objects just like we’vedone with ints and strings. While it’s possible to make both 1D and 2D arrays of objects(and more), for this assignment we’ll start you out with just one dimensional arrays.Your parents have asked you to develop a program to help them organize the collectionof rare CDs they currently have sitting in their car’s glove box. To do this, you will firstcreate an AudioCD class. It should have the following private attributes. String cdTitle String[4] artists int releaseYear String genre float conditionYour class should also have the following methods: Default Constructor: Initializes the five attributes to the following default values:◦ cdTitle = “”◦ artists = {“”, “”, “”, “”}◦ releaseYear = 1980◦ genre = “”◦ condition = 0.0 Overloaded Constructor: Initializes the five attributes based on values passedinto the formal parameters◦ If condition is less than 0.0 or greater than 5.0,…

Language is C++