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Dates outside the range April 13, 1810 and September 16, 1989 exceed the size of an Integer field.To accommodate all possible dates, set the Field Size property of your Number field to Long Integer or greater.But since the UPDATE has no WHERE clause, it will update all rows, even those where the subquery returns NULL.Assuming this is best done with a SQL command, I'm looking for some help writing the SQL for it.FROM Tickets INNER JOIN Ticket Templates ON Tickets.Cross table update (also known as correlated update, or multiple table update) in Oracle uses non-standard SQL syntax format (non ANSI standard) to update rows in another table.UPDATE My Table SET Column1 = (SELECT Some Column FROM Some Other Table WHERE Such And Such = This And That), Column2 = (SELECT Some Other Column FROM Some Other Table WHERE Such And Such = This And That), ...FROM My Table INNER JOIN Some Other Table ON My Table.
The previous example showed an inner join specified in the FROM clause of an UPDATE statement.You cannot undo the results of an update query, and making a backup helps make sure that you can reverse your changes if you change your mind.You can think of update queries as a powerful form of the Find and Replace dialog box.This needs modification based on the "Balance History" table as it is unclear as to which record for the Account is to be retrieved for the balance: UPDATE "Accounts" SET "Curr Value" = (SELECT "Balance" FROM (SELECT "Acct No", "Balance" FROM "Balance History", (SELECT "Acct No", MAX("Balance Date") SELDATE FROM "Balance History" GROUP BY "Acct No") A WHERE "Balance History"."Acct No" = A."Acct No" AND "Balance History"."Balance Date" = A.works fine when I try to update all the records in tbl A, however, in this case I only have missing data which I have identified and populated in tbl B.When I try to update only the missing data the non-matched data is also updated but to NULL.