Title: SQL W3S (By-BKK) / 036 Any All
Tags: Obsidian_to_Anki

Q: What do the SQL ANY and ALL operators do?
A: They compare a single value to a range of values in a subquery

Q: When does the SQL ANY operator return TRUE?
A: If ANY value in the subquery meets the condition

Q: What does the condition mean in SQL ANY?
A: If it’s true for any value in the result set, the condition is true

Q: True/False: The SQL ANY operator requires a comparison operator.
A: True

Q: List the comparison operators supported by SQL ANY and ALL.
A: =, <>, !=, >, >=, <, <=

Q: How does the SQL ALL operator work?
A: It returns TRUE only if ALL values in the subquery meet the condition

Q: SQL ALL is used with which SQL statements?
A: SELECT, WHERE, and HAVING

Q: True/False: ALL can work if only some values meet the subquery condition.
A: False

Q: Example of ANY syntax in SQL.
A: SELECT column_name FROM table_name WHERE column_name operator ANY (SELECT column_name FROM table_name WHERE condition);

Q: Example of ALL syntax in SQL with WHERE or HAVING.
A: SELECT column_name FROM table_name WHERE column_name operator ALL (SELECT column_name FROM table_name WHERE condition);

Q: Give an example of the SQL ANY usage pattern.
A: To check if at least one OrderDetails record has Quantity equal to 10

Q: Give an example of the SQL ALL usage pattern.
A: To check if all OrderDetails records have Quantity equal to 10

Q: What happens if no subquery value meets the condition with SQL ANY?
A: SQL ANY returns FALSE

Q: What happens if only some subquery values meet the condition with SQL ALL?
A: SQL ALL returns FALSE

Q: If ALL values meet the condition in SQL ALL, what is the result?
A: TRUE

Q: Reverse: Returns TRUE if ANY value in the subquery matches the condition. What is this operator?
A: SQL ANY operator

Q: Reverse: Returns TRUE only when ALL values in the subquery match the condition. What is this operator?
A: SQL ALL operator

Q: True/False: ANY and ALL can be used with =, !=, >, <, >=, <= in comparisons.
A: True

Q: ALL and ANY must be used in SQL with what type of expressions?
A: Comparison expressions

Q: ANY can be used in a WHERE clause to do what?
A: Check if the condition matches any value from a subquery