1. Database Testing
2. ACID Properties Validation - Atomicity, Complexity, Isolation, Durability
3. Primary key, foreign key, unique key with examples
4. Unique key constraint, diffeence betwn unique key and primary key
5. Join, types of join, join query example
6. Aggregate function, where it is used
7. Clause - Where, Group by, Having, order by
8. Difference between where clause and having clause
9. Difference between delete and truncate
