我的查询太慢了。这需要一分多钟。我如何快速创建查询？ 你能帮我吗？ select * from nss_sikdan_ok where od_id in(
select od_id from nss_order od
join nss_cart ct on od.on_uid=ct.on_uid
where ct.ct_status in('cart','sell'))
说我是通过遍历目录中的Python： lines = [1, 2, 3, 4]
linecount = len(lines)
#I want to be able to do this:
for i, j in range(linecount - 1, -1, -1), range(linecount, -1, -1):
print i, j
"""
This would
我想使用SQL Server 2005作为database.In知道如何创建SQL服务器2005.But台由于故障我重新安装了SQL Server的2005.After我创建表如下 start -> programs -> microsoft sql server 2005 -> sql server management studio express
但在“SQL Server管理Studi
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