access 的多个left join 要加括号
string sql = "select a.orderId,a.UserName,b.CodeValue as Delivery ,a.DeliveryAddress,a.PhoneNum,c.CodeValue as Payment,d.CodeValue as OrderStatus,d.CodeValue as OrderStatusID,a.OrderTime,a.Merchant from (( m_Order a ";
sql += " left join ( select CodeId,CodeValue from M_DefaultValue where TableId='Delivery') as b on a.Delivery =b.CodeId )";
sql += " left join ( select CodeId,CodeValue from M_DefaultValue where TableId='Payment') as c on a.Payment=c.CodeId )";
sql += " left join ( select CodeId,CodeValue from M_DefaultValue where TableId='OrderStatu') as d on a.OrderStatus =d.CodeId ";
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在ACCESS(2007)数据库中，有这样一个模糊查询，
select postId,postName,postType,left(postTime,10) as postTimes from PostInfo where postUser like '*周芳*'
在数据库查询后结果显示正确，可是放在项目的代码中，居然不显示查询的结果咯。检查了半天都没有发现错误在哪里，最后才知道，有的ACCESS居然不认识通� ......
今天在Linux下用eclipse 3.5开发Jpcap相关的程序，先试试官方的UdpSend.java能否跑起来。結果eclipse给出了如下错误提示：
Access restriction: The type JpcapCaptor is not accessible due to restriction on required library /media/sda7/opt/jdk1.6.0_16/jre/lib/
ext/jpcap.jar
其实要解决它也� ......
Double action
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office or small business. Get modern biometric security at your entry point with
this standard door handle style double action doorlock.
This is the most secure and convenient method in assuring only authorized peo ......
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下表列出了 ANSI SQL 数据类型和等效的 Microsoft Jet 数据库引擎 SQL数据类型还有它们的有效同义字以及 等效的 Microsoft SQL Server数据类型。
ANSI SQL
数据类型
Microsoft Access
SQL 数据类型
同义词
Microsoft SQL
Server 数据类型
BIT、BIT VARYING
BINARY（参见注释）
VARBINARY、 ......
