Updating multiple columns in sql

14-May-2020 22:39

updating multiple columns in sql-21

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The SQL Server (Transact-SQL) UPDATE statement is used to update existing records in a table in a SQL Server database.There are 3 syntaxes for the UPDATE statement depending on whether you are performing a traditional update or updating one table with data from another table.Look at the SQL code there and you will have an example.Otherwise the Help doesn't mention the multiple fields but give the general info.The "tiresome way" is standard SQL and how mainstream RDBMS do it. With a 100 columns, you mostly likely have a design problem... I know it's an old question, but I just had to find solution for multiple rows update where multiple records had to updated with different values based on their IDs and I found that I can use a a scalar-subselect: (with WHERE optional, of course) Also, I found that it is critical to specify that no NULL values would not be used in this update (in case not all records in first table have corresponding record in the second one), this way: UPDATE TARGET_TABLE T SET (T.

New Value From [table] t1 join ( Select 'Foo' as New Value, 23 as My Id union all Select 'ASD' as New Value, 47 as My Id union all Select 'FGH' as New Value, 83 as My Id ) as derived1 on t1.

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select case(@columnname) when 'name1' then begin update table set pay1=pay1* 100 pay2=pay2*20 pay3=pay3* 100 end when 'name2' then begin update table set pay2=pay2*20 pay3=pay3* 100 end when 'name3' then begin update table set pay3=pay3* 100 end end UPDATE table SET pay1 = CASE WHEN @columnname IN('name1') THEN pay1 * 100 ELSE pay1 END, pay2 = CASE WHEN @columnname IN('name1', 'name2') THEN pay2 * 20 ELSE pay2 END, pay3 = CASE WHEN @columnname IN('name1', 'name2', 'name3') THEN pay3 * 100 ELSE pay3 END IF @columnname = 'name1' UPDATE table SET pay1 = pay1 * 100, pay2=pay2*20, pay3=pay3* 100 ELSE IF @Column Name = 'name2' UPDATE table SET pay2 = pay2 * 20, pay3 = pay3 * 100 ELSE IF @Column Name = 'name3' UPDATE table SET pay3 = pay3 * 100 update table set pay1 = CASE WHEN @columnname = 'name1' THEN pay1* 100 ELSE pay1 set pay2 = CASE WHEN @columnname = 'name1' OR @columnname = 'name2' THEN pay2* 20 ELSE pay2 set pay3 = CASE WHEN @columnname = 'name1' OR @columnname = 'name2' OR @columnname = 'name3' THEN pay3 * 100 ELSE pay3 UPDATE DBO.

Assuming New Resposible is a number you won't Are you sure the Where Criteria is on Application and not Application ID.

updating multiple columns in sql-30

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If Application Assuming it's a text field and you will need the single quotes.

Only records that satisfy the expression are updated.