sql run multiple updates in one query
UPDATE table_name
SET field_name =
case field_name2
when 'value' then 'change_to'
when 'value2' then 'change_to2'
endsql run multiple updates in one query
UPDATE table_name
SET field_name =
case field_name2
when 'value' then 'change_to'
when 'value2' then 'change_to2'
endupdate table sql multiple set
-- CANT do multiple sets but can do case
UPDATE table
SET ID = CASE WHEN ID = 2555 THEN 111111259
WHEN ID = 2724 THEN 111111261
WHEN ID = 2021 THEN 111111263
WHEN ID = 2017 THEN 111111264
END
WHERE ID IN (2555,2724,2021,2017)sql query update multiple columns
UPDATE table_name SET column1 = value1, column2 = value2,...
WHERE condition;
table_name: name of the table
column1: name of first , second, third column....
value1: new value for first, second, third column....
condition: condition to select the rows for which the
values of columns needs to be updated.sql update multiple tables
/*You can't update multiple tables in one statement,
however, you can use a transaction to make sure that
two UPDATE statements are treated atomically.
You can also batch them to avoid a round trip.*/
BEGIN TRANSACTION;
UPDATE Table1
SET Table1.LastName = 'DR. XXXXXX'
FROM Table1 T1, Table2 T2
WHERE T1.id = T2.id
and T1.id = '011008';
UPDATE Table2
SET Table2.WAprrs = 'start,stop'
FROM Table1 T1, Table2 T2
WHERE T1.id = T2.id
and T1.id = '011008';
COMMIT;Copyright © 2021 Codeinu
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