What do ANY and ALL mean in sql?

In SQL, ANY and ALL are used to handle grouping conditions: ANY checks whether any row in the group meets the condition, while ALL checks whether all rows in the group meet the condition.

The meaning of ANY and ALL in SQL

In SQL, ANY and ALL are two keywords, Used in queries, they handle grouping conditions differently.

ANY

• Meaning: Any
• Function: Check whether any row in the group meets the specified condition.
• Example:SELECT * FROM table_name WHERE column_name ANY (SELECT value FROM subquery);

##ALL

Meaning: All
• Function: Check whether all rows in the group meet the specified conditions.
• Example:
• SELECT * FROM table_name WHERE column_name ALL (SELECT value FROM subquery);

##Difference

Features##ConditionsCheck Any row in the groupCheck all rows in the groupResultAs long as one row is true, return trueOnly all rows True, returns trueUsage example

ANY	ALL

Assume the following table structure:

<code>CREATE TABLE students (
  student_id INT PRIMARY KEY,
  name VARCHAR(255),
  grade INT
);</code>

Query 1: Use ANY

to find the names of students with scores of at least 90:

<code>SELECT name
FROM students
WHERE grade ANY (SELECT grade FROM students WHERE grade >= 90);</code>

Query 2: Use ALL

Find the names of all students whose scores are above 80 points:

<code>SELECT name
FROM students
WHERE grade ALL (SELECT grade FROM students WHERE grade > 80);</code>

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