update command sql code 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: 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 5: sql update record

SQL> UPDATE CUSTOMERS
SET ADDRESS = 'Pune'
WHERE ID = 6;

Example 6: sql update

/*Swap f to m and m to f*/
UPDATE salary
SET
    sex = CASE sex
        WHEN 'm' THEN 'f'
        ELSE 'm'
    END;

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