What defines the amount of storage space that is allocated to a value in a column?
You are creating a table to store customer data. The AccountNumber column uses values that always consist of one letter and four digits. Which data type should you use for the AccountNumber column?
What is one difference between an update statement and a delete statement?
You have a Department table and an Employee table in your database.You need to ensure that an employee can be assigned to only an existing department.What should you apply to the Employee table?
You need to store the first name, last name, and student ID for 100 students.This information will be stored in a table as:
The terms "bitmap," "b-tree," and "hash" refer to which type of database structure?
