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UPDATE Table SET Table.col1 = other_table.col1, Table.col2 = other_table.col2 FROM Table INNER JOIN other_table ON = other_WHERE Table.col1 ! = other_table.col2 or (other_table.col1 is not null and table.col1 is null) or (other_table.col2 is not null and table.col2 is null) ; WITH CTE AS (SELECT T1. So all the answers involving the FROM clause returned a syntax error. UPDATE suppliers SET supplier_name = (SELECT FROM customers WHERE customers.customer_id = suppliers.supplier_id) WHERE EXISTS (SELECT FROM customers WHERE customers.customer_id = suppliers.supplier_id); UPDATE Table SET Table.col1 = other_table.col1, Table.col2 = other_table.col2 --select Table.col1, other_table.col, Table.col2,other_table.col2, * FROM Table INNER JOIN other_table ON = other_update t1 -- just reference table alias here set t1.somevalue = t2.somevalue from table1 t1 -- these rows will be the targets inner join table1 t2 -- these rows will be used as source on ..................

-- the join clause is whatever suits you UPDATE from SELECT with INNER JOIN in SQL Database Since there are too many replies of this post, which are most heavily up-voted, I thought I would provide my suggestion here too.

To modify the data that is currently in a table, you use the UPDATE statement, which is commonly referred to as an update query.

The UPDATE statement can modify one or more records and generally takes this form: To delete the data that is currently in a table, you use the DELETE statement, which is commonly referred to as a delete query. The DELETE statement can remove one or more records from a table and generally takes this form: The DELETE statement does not remove the table structure—only the data that is currently being held by the table structure.

Then I executed SELECT command to view inserted records.

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This way, you are far more likely to get more upvotes — and help the questioner learn something new.-- Sample data: --------------------------------------------------------------------------- CREATE TABLE #SOURCE ([ID] INT, [Desc] VARCHAR(10)); CREATE TABLE #DESTINATION ([ID] INT, [Desc] VARCHAR(10)) INSERT INTO #SOURCE VALUES(1,'Desc_1'), (2, 'Desc_2'), (3, 'Desc_3'); INSERT INTO #DESTINATION VALUES(1,'Desc_4'), (2, 'Desc_5'), (3, 'Desc_6'); --------------------------------------------------------------------------- UPDATE #DESTINATION SET #DESTINATION.[Desc] = #SOURCE.[Desc] FROM #SOURCE WHERE #DESTINATION.[ID] = #SOURCE.[ID] AND #Source.[Desc] = 'Desc_2' I think if you use [_id] on your #SOURCE not [ID] the same as #DESTINATION's, they might let you do JOIN. When you are inserting records from another table, each value being inserted must be compatible with the type of field that will be receiving the data.The following INSERT INTO statement inserts all the values in the Customer ID, Last Name, and First Name fields from the tbl Old Customers table into the corresponding fields in the tbl Customers table.Although the question is very interesting, I have seen in many forum sites and made a solution using INNER JOIN with screenshots.At first, I have created a table named with schoolold and inserted few records with respect to their column names and execute it.

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