This course will be retired on July 14, 2025.
- Quantifiers 5:42
- Quantifiers 2 objectives
- Element Operators 7:06
- Element Operators 4 questions
- Partitioning 3:54
- Partitioning 2 objectives
- Joins 9:45
- Joins 1 objective
- Aggregates 4:06
- Aggregates 2 objectives
- Set Operations 6:32
- Set Operations 3 questions
- Generation Operators 4:54
- Generation Operators 3 questions
- Conversion Operators 4:44
- Conversion Operators 2 objectives
Quiz Question 1 of 4
Which element operator should you use if you want to retrieve a single object that should be unique, and gives an exception if it doesn't exist?
Choose the correct answer below: