How to Update a Selected Record in SQL?

The SQL update statement as an interface to a table or view, allows you to make changes to the data in the selected rows in a table. You will learn how to update selected rows in SQL.

sql update query

By Black Tailed DeerBlack Tailed Deer on Nov 12, 2019
--update query example
 UPDATE table_name
 SET column1 = value1, column2 = value2, ...
 WHERE condition; 

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125

sql update from select

By AnkurAnkur on Apr 02, 2020
UPDATE YourTable 
SET Col1 = OtherTable.Col1, 
    Col2 = OtherTable.Col2 
FROM (
    SELECT ID, Col1, Col2 
    FROM other_table) AS OtherTable
WHERE 
    OtherTable.ID = YourTable.ID

Source: stackoverflow.com

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9

sql update from select

By AnkurAnkur on Apr 02, 2020
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'

Source: stackoverflow.com

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8

sql update from select

By VasteMondeVasteMonde on May 09, 2021
UPDATE t1
SET t1.COL1 = t2.COL1, t1.COL2 = t2.COL2
FROM MY_TABLE AS t1
JOIN MY_OTHER_TABLE AS t2 ON t1.COLID = t2.ID
WHERE t1.COL3 = 'OK';

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2

Selecting multiple records with SQL is easy. But if your query requires the update of only one record at a time then follow this procedure.

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