This article is tagged with:
Subquery sql
and mysql
subquery sql
UPDATE Book SET note= 'editore: ' + (SELECT name FROM Publisher WHERE Publisher.ID = Book.publisher)
what is subquery in sql
SUBQUERY IS NESTED QUERY INSIDE A SELECT,
INSERT OR UPDATE METHODS. OR INSIDE ANOTHER SUBQUERY
select in select sql
SELECT column-names FROM table-name1 WHERE value IN (SELECT column-name FROM table-name2 WHERE condition)
select in select sql
SELECT column1 = (SELECT column-name FROM table-name WHERE condition), column-names FROM table-name WEHRE condition
subqueries ALL sql
SELECT ProductName
FROM Products
WHERE ProductID = ALL (SELECT ProductID FROM OrderDetails WHERE Quantity = 10);
