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Quest map
Lessons
Level 2
Conditional Functions
SQL & Hibernate
Level 2,
Lesson 0
List of conditional functions IF() function IFNULL() and NULLIF() functions
CASE statement
SQL & Hibernate
Level 2,
Lesson 1
CASE statement The second version of the CASE statement Solve the problem using the CASE statement
Grouping data
SQL & Hibernate
Level 2,
Lesson 2
GROUP BY operator Complex queries with GROUP BY Column names in the result
Grouping by multiple columns
SQL & Hibernate
Level 2,
Lesson 3
Grouping columns Grouping by calculated columns Grouping by multiple columns
Advanced grouping
SQL & Hibernate
Level 2,
Lesson 4
HAVING Statement HAVING Usage Example Statement Execution Order
Aggregate functions
SQL & Hibernate
Level 2,
Lesson 5
List of aggregate functions Analyze employee salaries
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