Question: Can you help write these SQL Queries, Oracle Database and SQL Developer ? 5. List all unique zip codes. Use ROWNUM to limit to 20
Can you help write these SQL Queries, Oracle Database and SQL Developer ?

5. List all unique zip codes. Use ROWNUM to limit to 20 rows. Use the student table. 6. List all students last names, first names and initials. Use the student table. 7. List the first three characters of all course descriptions. Use the course table. Partial result table (total of 30 rows)
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