Homework assignment #1
Please read about the following SQL functions:
- CONCAT
- SUBSTR
- UPPER
- LOWER
- INITCAP
- LTRIM
- RTRIM
- CURRENT_DATE
- SYSDATE
- SYSTIMESTAMP
- DECODE
- USER
- NULLIF
You can find all information about these functions and all other Oracle built-in functions
on the Oracle Technology
Network.