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import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class QueryTest&n ......

Ò»¸öpl/sqlÎÊÌâ - Oracle / ¿ª·¢

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  declare
  TYPE test_rec IS record(
  code varchar(10),
  name varchar(30)
  );
  v_book test_rec;
    ......

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select count(1) from FX_RETURNBOOKCHECKLIST fxreturnbo0_ where fxreturnbo0_.BOOKID='164 ' AND fxreturnbo0_.RETURNID='00025.S0000001' 
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Ö´ÐÐsql - PowerBuilder / Êý¾Ý¿âÏà¹Ø

update test set qty = qty - 1 where (location,sku,valid_date) 
in (select location,sku,min(valid_date) from test
where location = 'chuwei' and item_code = '5678' group by location,sku)
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