how to update a table from another table sql code example

Example 1: sql update from another table

UPDATE table1 
   SET table1.Price = table2.price 
   FROM table1 INNER JOIN table2 ON table1.ID = table2.id
   -- WHERE table1.id=...

Example 2: sql update with field from another table

UPDATE table1 
   SET price=(SELECT price FROM table2 WHERE table1.id=table2.id);

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