MySQL Database — Practice Quiz — Quiz in Progress

Q1. A PRIMARY KEY: ACan repeat across rows BUniquely identifies each row in a table CStores passwords DIs always text

Q2. A FOREIGN KEY creates: AA backup BA reference to another table's primary key CA faster disk DA user account

Q3. For storing money amounts you should use: AFLOAT BDECIMAL(10,2) CVARCHAR DBOOLEAN

Q4. Which query returns the top 5 scores? ASELECT * FROM results TOP 5 BSELECT * FROM results ORDER BY score DESC LIMIT 5 CGET 5 FROM results DSELECT MAX(5)