Answer of self-made database QUIZ　(part 2)

Question 1　②　Question 2　⓪　Question 3　③　Question 4　①

Question 1

Since the data is organized in a one-to-many tree-like fashion from the top row to the bottom row, the hierarchical database in ② is correct here.

Question 2

A relational database is a database organized in the form of an Excel table, and in Excel, a sheet is called a "table," a column is called a "fold," and a row is called a "record. Therefore, ⓪ sheet is the correct answer here because the Excel name for a table is being asked.

Question 3

First, the abbreviation for database management system is DBMS, so ① and ② are inappropriate. Also, since this system is capable of automatically managing and operating databases, ⓪ is also inappropriate. Therefore, ③ is the correct answer.

Question 4

The question here is to use the best database for summarizing multiple data that are scattered and difficult to understand. Therefore, the correct answer is ①, a relational database. This is because this database is easy to understand visually because of its table-like format, and it can summarize complex data.