MySQL Tutorial Subquery 24 codes

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1 A scalar subquery can be part of an expression
2 A subquery is a SELECT statement within another statement
3 An EXISTS subquery starts with SELECT , but it could begin with SELECT 5 or SELECT column1 or anything
4 Comparisons Using Subqueries
5 Correlated Subqueries
6 Delete clause with a subquery
7 Delete with subquery
8 Find all rows in a table containing a value that occurs twice in a given column
9 Get the Row Holding the Maximum of a Certain Column with sub query in where clause
10 Greater than ALL
11 NULL subquery with ALL
12 NULL Subquery with gradter than ()
13 Subqueries in the FROM clause
14 Subqueries with ALL
15 Subqueries with ANY
16 Subqueries with IN
17 Subqueries with SOME
18 The Rows Holding the Group-wise Maximum of a Certain Field
19 The Subquery as Scalar Operand
20 Update with subquery
21 Using EXISTS with subquery
22 Using Having to subquery
23 Using Join in the subquery
24 Using the aggregate function in subquery