SQL EXISTS Operator

Types of SQL Operators

SQL Arithmetic Operators

  1. ADD
  2. Subtract
  3. Multiple
  4. Divide
  5. Modulo

SQL Bitwise Operators

  1. And
  2. OR
  3. exclusive OR

SQL Comparison Operators

  1. Equal to
  2. Greater than
  3. Less than
  4. Greater than or Equal to
  5. Less than or Equal to
  6. Not equal to

SQL Logical Operators

  1. All
  2. And
  3. Any
  4. Between
  5. Exists
  6. In
  7. Like
  8. Not
  9. OR
  10. Some

SQL ALL Operator 

The EXISTS operator is Logical operator.The EXISTS operator returns TRUE if subquery returns one or more results.

Syntax

SELECT 
       [ID]
      ,[Category]
      ,[SubCategory]
      ,[Type]
      ,[Direction]
      ,[Model]
      ,[Side]
      ,[Supplier]
      ,[ItemCode]
      ,[ItemName]
      ,[PurchasePrice]
      ,[ReorderPoint]
      ,[OpeningStock]
      ,[Location]
      ,[MeasurementUnit]
  FROM [tbl_ItemR]
   WHERE EXISTS (SELECT PurchasePrice FROM [Subic].[dbo].[tbl_ItemR] WHERE PurchasePrice = 3200);


The result of above SQL Statement is shown in Fig. below.


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