SQL - Update multiple records in one query

0 votes

I have table - config. Schema: config_name | config_value . Additionally, I want to edit numerous records with a single query. I attempt to:

UPDATE config 
SET t1.config_value = 'value'
  , t2.config_value = 'value2' 
WHERE t1.config_name = 'name1' 
  AND t2.config_name = 'name2';

But it doesn't work. Can someone please help me with this?

Sep 16, 2022 in Database by Kithuzzz
• 38,010 points
3,289 views

1 answer to this question.

0 votes

Try either multi-table update syntax:

UPDATE config t1 JOIN config t2
    ON t1.config_name = 'name1' AND t2.config_name = 'name2'
   SET t1.config_value = 'value',
       t2.config_value = 'value2';

Here is a SQLFiddle demo.

Or conditional update:

UPDATE config
   SET config_value = CASE config_name 
                      WHEN 'name1' THEN 'value' 
                      WHEN 'name2' THEN 'value2' 
                      ELSE config_value
                      END
 WHERE config_name IN('name1', 'name2');

Here is a SQLFiddle demo.

answered Sep 17, 2022 by narikkadan
• 63,700 points

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