SQL UPDATE EXAMPLE

Example 1: sql update query

--update query example
 UPDATE table_name
 SET column1 = value1, column2 = value2, ...
 WHERE condition;

Example 2: sql update

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

Example 3: sql update from select

UPDATE YourTable 
SET Col1 = OtherTable.Col1, 
    Col2 = OtherTable.Col2 
FROM (
    SELECT ID, Col1, Col2 
    FROM other_table) AS OtherTable
WHERE 
    OtherTable.ID = YourTable.ID

Example 4: sql update from select

UPDATE
    Table_A
SET
    Table_A.col1 = Table_B.col1,
    Table_A.col2 = Table_B.col2
FROM
    Some_Table AS Table_A
    INNER JOIN Other_Table AS Table_B
        ON Table_A.id = Table_B.id
WHERE
    Table_A.col3 = 'cool'

Example 5: update sql

-- sql update using string format 
String = "UPDATE yourtable SET yourcolumn = '" + yourvealueintext + "' WHERE column = " + item_to_compare_the_position_of_Your_Column;
                                           -- or                                            
String = "UPDATE yourtable SET yourcolumn = " + yourvalue_in_number + " WHERE column = " + item_to_compare_the_position_of_Your_Column;

Example 6: SQL Update

Mit UPATE werden  Datenwerte in der Datenbank aktualisiert. Nach Bedürfnis
können auch mehrere Datensätze auf einmal verändert werden. Mit WHERE werden
nur bestimmte Datensätze zu aktualisiert.

  UPDATE suppliers
      SET supplier_id = 50,
      supplier_name = 'Apple',
      city = 'Cupertino'
  WHERE
      supplier_name = 'Google';