The correct answer is letter B. Application Software. Word Processing software, spreadsheet software, database software, and presentation software are examples of Application software. These are applications that are mostly output based.
The answer should be RAM = Random Access Memory
RAM memory is used to store current data while the computer is on. Bear in mind that after the computer is shutdown all data in RAM is lost.
Explanation:
Both Primary Key and Candidate Key are the attributes that are used to access tuples from a table. These (Primary key and Candidate key) are also can be used to create a relationship between two tables.
- A Candidate Key can be any column or a combination of columns that can qualify as a unique key in the database. Each Candidate Key can qualify as a Primary Key.
- A Primary Key is a column or a combination of columns that uniquely identify a record. The primary key is a minimal super key, so there is one and only one primary key in any relationship.
<em> The main difference between them is that a primary key is unique but there can be many candidate keys. </em>
I hope you find this information useful and interesting! Good luck!
Answer:
Job analysis
Explanation:
The HR should preferably use job analysis.
