Data Types

Intro to Data Types

• Bits vs Bytes
• To a computer, what is the difference between 2 and ‘2’? Between 22 and ‘22’?
• What is less than zero? NULL values
• Which of the following are equivalent to NULL?
  • ”
  • ' ‘
  • 0

Data Types References

• Numeric Data
• Date and Time Data
• String Data

---

Back to Class 1 Contents