UPDATE SQL - Language Statements UPDATE update rows of a table UPDATE [ ONLY ] table SET column = expression [, ...] [ FROM fromlist ] [ WHERE condition ] UPDATE changes the values of the specified columns in all rows that satisfy the condition. Only the columns to be modified need appear as columns in the statement. By default, UPDATE will update rows in the specified table and all its subtables. If you wish to only update the specific table mentioned, you must use the ONLY clause. You must have the UPDATE privilege on the table to update it, as well as the SELECT privilege to any table whose values are read in the condition. table The name (optionally schema-qualified) of the table to update. column The name of a column in table. expression An expression or value to assign to the column. fromlist A list of table expressions, allowing columns from other tables to appear in the WHERE condition. condition A value expression that returns a value of type boolean that determines the rows which are to be updated. UPDATE count Message returned if successful. The value count is the number of rows updated. If count is 0, no rows were updated. Change the word Drama to Dramatic in the column kind of the table films: UPDATE filme SET kind = 'Dramatic' WHERE kind = 'Drama'; This command conforms to the SQL standard. The FROM clause is a PostgreSQL extension.