In SQL, the ANY and ALL operators are used in combination with comparison operators to compare a value with a set of values returned by a subquery. These operators are often used in conjunction with a WHERE or HAVING clause. Here's an explanation of each operator:

1. ANY: The ANY operator compares a value with any value in a set of values returned by a subquery. It returns true if at least one comparison is true. The syntax for using ANY is as follows:

sql
SELECT column1, column2, ...
FROM table
WHERE value comparison_operator ANY (subquery);

In this syntax, `value` is the value you want to compare, `comparison_operator` is a comparison operator such as =, <>, >, >=, <, <=, etc., and `subquery` is a subquery that returns a set of values.

Here's an example to illustrate the usage of ANY:

sql
SELECT product_name
FROM products
WHERE price > ANY (
    SELECT price
    FROM other_products
    WHERE category = 'Electronics'
);

In this example, the query selects the product names from the "products" table where the price is greater than any price in the subquery result set. The subquery returns the prices of products in the "other_products" table with the category 'Electronics'.

2. ALL: The ALL operator compares a value with all values in a set of values returned by a subquery. It returns true if the comparison is true for all values. The syntax for using ALL is as follows:

sql
SELECT column1, column2, ...
FROM table
WHERE value comparison_operator ALL (subquery);

In this syntax, `value` is the value you want to compare, `comparison_operator` is a comparison operator such as =, <>, >, >=, <, <=, etc., and `subquery` is a subquery that returns a set of values.

Here's an example to illustrate the usage of ALL:

sql
SELECT product_name
FROM products
WHERE price > ALL (
    SELECT price
    FROM other_products
    WHERE category = 'Electronics'
);

In this example, the query selects the product names from the "products" table where the price is greater than all prices in the subquery result set. The subquery returns the prices of products in the "other_products" table with the category 'Electronics'.

The ANY and ALL operators are useful when you want to compare a value with multiple values from a subquery. They allow you to perform comparisons based on conditions involving sets of values.