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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<!-- ¶¨ÒåÊý¾ÝÔ´Bean£¬Ê¹ÓÃC3P0Êý¾ÝԴʵÏÖ -->
<bean id="dataSource"
class="com.mchange.v2.c3p0.ComboPooledDataSource"
destroy-method="close">
<!-- Ö¸¶¨Á¬½ÓÊý¾Ý¿âµÄÇý¶¯ -->
<property name="driverClass" value="com.hxtt.sql.access.AccessDriver" />
<!-- Ö¸¶¨Á¬½ÓÊý¾Ý¿âµÄURL -->
<property name="jdbcUrl"
value="jdbc:access:///c:/ÄãµÄAccessµÄ¾ø¶Ô·¾¶" />
<!-- Ö¸¶¨Á¬½ÓÊý¾Ý¿âµÄÓû§Ãû -->
<property name="user" value="" />
<!-- Ö¸¶¨Á¬½ÓÊý¾Ý¿âµÄÃÜÂë -->
<property name="password" value="" />
<!-- Ö¸¶¨Á¬½ÓÊý¾Ý¿âÁ¬½Ó³ØµÄ×î´óÁ¬½ÓÊý -->
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SELECT SUM(R) AS ½á¹û
from
(
SELECT ºÏ¼Æ AS R from T1 WHERE (ID = 6) UNION
SELECT -ºÏ¼Æ AS R from T1 WHERE (ID = 2) UNION
SELECT -ºÏ¼Æ AS R f ......
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
EXEC SQL include sqlca;
EXEC ORACLE OPTION (RELEASE_CURSOR = YES);
EXEC SQL BEGIN DECLARE SECTION;
& ......
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